ISSN 0968-0446 Bulletin of The Natural History Museum THE NATURAL HISTORY MUSEUM PRESENTED GENERAL LIBRARY Botany Series THE NATURAL HISTORY MUSEUM VOLUME 24 NUMBER 1 23 JUNE 1994 The Bulletin of The Natural History Museum (formerly: Bulletin of the British Museum (Natural History)), instituted in 1949, is issued in four scientific series, Botany, Entomology, Geology (incorporating Mineralogy) and Zoology. The Botany Series is edited in the Museum's Department of Botany Keeper of Botany: Dr S. Blackmore Editor of Bulletin: Dr R. Huxley Assistant Editor: Mrs M.J. West Papers in the Bulletin are primarily the results of research carried out on the unique and ever- growing collections of the Museum, both by the scientific staff and by specialists from elsewhere who make use of the Museum's resources. Many of the papers are works of reference that will remain indispensable for years to come. All papers submitted for publication are subjected to external peer review for acceptance. 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(Bot.) 24(1): 1-34 Issued 23 June 1994 Pre-Linnaean references for the Macaronesian flora found in Leonard Plukenet's works and collections THE NATURAL tiCTOR 12 JUL tta-r PRESENTED GENERAL LIBRARY JAVIER FRANCISCO-ORTEGA* Department of Botany, The University of Texas, Austin, Texas 78713-7640, USA ARNOLDO SANTOS-GUERRA Jardin de Aclimatacion de La Orotava, Calle Retama Num. 2, E-38400 Puerto de la Cruz, Tenerife, Canary Islands, Spain CHARLES E. JAR VIS Department of Botany, The Natural History Museum, Cromwell Road, London SW75BD CONTENTS Introduction 1 Taxa found in Plukenet's works 3 Taxa found in Plukenet's herbarium but not in his works 29 Discussion 30 References 31 Systematic index 33 Bibliography abbreviations found in Plukenet's works 33 SYNOPSIS. A review of early references to the flora of the Macaronesian region has been carried out through the study of Plukenet's publications and his herbarium collection, now part of the Sloane Herbarium in The Natural History Museum in London. A total of 97 descriptions and 54 drawings of Macaronesian plants has been located in the four published works of this English herbalist that appeared between 1691 and 1705. 131 specimens from Macaronesia representing 87 taxa have been found in his collection; 33 of them do not have obvious descriptions in his published works and five descriptions, supposedly of Canarian plants, seem to have been incorrectly assigned to this region. Phrase-names described by earlier authors that were cited as synonyms by Plukenet have also been studied but few of them proved to be clearly related to Macaronesian taxa. This study reveals that Plukenet's work provides the single most important pre-Linnaean account of the Macaronesian flora, and his herbarium contains one of the oldest known collections of herbarium specimens from this region. The name Campanula canariensis L. (= Canarina canariensis (L.) Vatke) is lectotypified. INTRODUCTION The Macaronesian region comprises the archipelagos of the Canary Islands, Salvages, Azores, Madeira and Cape Verde and has strong links with the northwestern parts of Africa from southern Morocco to Cape Verde. Its flora contains a high number of endemics and has been traditionally regarded as a relic of the flora which existed in the Mediterranean basin during the Tertiary age (Sunding, 1979). The earliest known reference to Macaronesian natural history was given in the first century AD by Pliny 'the elder' who mentioned the abundance of palm and pine trees in 'Canada' and how, in what seems to be the island of El Hierro, there were 'Ferulae' trees which precipitated water * Corresponding author The Natural History Museum, 1994 (Pliny, 1826a; for reviews of Pliny's work and the eastern Atlantic islands see Steffen (1944), Alvarez-Delgado (1945) and Martinez-Hernandez (1992)). The first European visitors who described the region noticed the peculiarities of its flora in accounts that dated from the fourteenth to sixteenth centuries (e.g. Niccoloso da Recco in 1341 (Bonnet, 1943); Bontier & Le Vernier in the early fifteenth century (Cioranescu, 1980); Gomez de Cintra in the mid fifteenth century (Bonnet, 1940); P. Gomez Escudero also in the mid fifteenth century (Morales-Padron, 1978); A. de Palencia in the late fifteenth century (Lopez de Toro, 1970), Fernandes in 1507 (Santiago, 1947); Diaz-Tanco in 1520 (Rodrfguez-Monino, 1934; Del Rio-Ayala, 1935); Nicols (1583); Frutuoso (Serra-Rafols et al., 1964) and Torri- ani in 1590 (Torriani, 1978) and Espinosa (1594)). Some of these descriptions were based on the original names given by J. FRANCISCO-ORTEGA, A. SANTOS-GUERRA AND C.E. JARVIS the pre-Hispanic inhabitants of these islands. As early as 1341 Niccoloso da Recco found that the bark of some Canarian trees could be used to produce red dyes. Similar accounts were also reported in the early fifteenth century as extensive areas of scrub of 'higuieres' (Euphorbia balsamifera Aiton) in Lanzarote and of 'tarajal' (Tamarix canariensis Willd.) in Fuerteventura were found by Bontier and Le Vernier respec- tively (Cioranescu, 1980). Nevertheless, the earliest published and most complete list of endemics of the Macaronesian region, appears to have been provided by Diaz Tanco in 1520. This Spanish traveller visited the Canary Islands between 1505 and 1520 (Rodriguez-Monino, 1934) and published a list of at least 12 Canarian endemics, using the original pre-Hispanic names such as 'bales' (Plocamapendula Aiton), 'thabbaybas', actually 'tabaibas' (Euphorbia spp.) and 'tabinaste', actually 'tajinaste' (Echium spp.) (Del Rio-Ayala, 1935). Analogous descriptions were given by the English trader T. Nicols who mentioned the local Spanish names of 'taybayba', 'barbusano' (Apollonias barbujana (Cav.) Bornm. and 'vinatico' (Persea indica (L.) Spreng.), for the latter noting that it was a tree 'exceeding heavie, and will not rot in anie water' (Nicols, 1583). However, the most comprehensive account of the Macaronesian flora from the sixteenth century was given by G. Frutuoso in 1590 (Serra-Rafols et al. , 1964). This Portuguese naturalist apparently visited the Canary Islands late in the sixteenth century and not only listed many of their endemics but also briefly described the vegetation of some of the islands. Most of these works provided descriptions of the Canary pine (Pinus canariensis C. Sm.) and the Lauraceae forests and put special emphasis upon the orchil lichen (Rocella spp.), the Canary palm (Phoenix canariensis Chab.), the dragon-tree (Dracaena draco L.) and the rain-tree or 'garoe' (Ocotea foetens (Aiton) Baill.) of El Hierro. In addition, these references gave unique records concerning the use of plants by the pre-Hispanic inhabitants of the islands (Garcia- Morales, 1989) which have been confirmed through the study of archaeological remains. There is clear archaeological evi- dence of the pre-Hispanic use of Scirpus holoschoenus L. (syn. Holoschoenus vulgaris Link) and Phoenix canariensis as textile species (Galvan-Santos, 1980; Rodriguez-Santana, 1989), cropping of barley, wheat, lentil, broad bean and grass pea (Del Arco-Aguilar et al., 1991; Martin-Rodriguez, 1992) and the gathering of Pinus canariensis seeds, Pteridium aquilinum (L.) Kuhn rhizomes (Mathiensen, 1960) and Vis- nea mocanera L. f. fruits (Del Arco-Aguilar et al., 1991). The latter was quoted by early chroniclers as having its fruits eaten raw or used to make a kind of 'honey' or 'wine' known as 'cuche' or 'chacerquen' (P. Gomez Escudero in Morales- Padron, 1978; Espinosa, 1594). Furthermore these early Canarians were able to make weapons and tools using wood of Apollonias barbujana (Cav.) Bornm., Juniperus phoenicea L., Neochamaelea pul- verulenta (Vent.) Erdtman, Olea europaea L. ssp. cerasifor- mis (Webb & Berth.) G. Kunkel & Sunding and Pinus canariensis (Diego-Cuscoy, 1961). Although a definitive study of the European knowledge of the Macaronesian flora between the fourteenth and eigh- teenth centuries has not yet been undertaken, there are reports which suggest that some of the endemic taxa were well-known by naturalists during this pre-Linnaean period. An example can be found in the Historia general y natural de las Indias by Fernandez de Oviedo (1548). This renowned naturalist gave an extensive description of the 'rain-tree' on the island of El Hierro. Later, in 1590, Torriani reproduced an original drawing of one of its branches, which facilitated the botanical identification of this species as Ocotea foetens (Maynar, 1943). Similarly, in 1576 Clusius gave a detailed description and drawing of Dracaena draco based on a tree which he found growing in Lisbon in the garden of the monastery of 'S. Maria a Gratia' (Arber, 1938). Besides these references, it is also known that soon after the conquest of the islands some species were used as wood for building and firewood for sugar mills (Parsons, 1981). Plants were also exploited for products such as dyes (from Parmelia perlata (Huds.) Ach., Roccella spp., Laurus azorica (Seub.) Franco), soda (from Zygophyllum fontanesii Webb & Berth., Mesembryanthemum crystallinum L.), perfumes (from Convolvulus scoparius L. f.), medicines (from Dra- caena draco} and pitch (from Pinus canariensis) (Schenck, 1907; Viera y Clavijo, 1808; 1866-1869; Lobo-Cabrera, 1988). A strong trade based on these products was estab- lished between the Canaries and the most important Euro- pean ports during the fifteenth and sixteenth centuries (Gonzalez- Yanes, 1953; Fernandez- Armesto, 1982; Lobo- Cabrera, 1988) and many references to the granting of permission for their exploitation are given in official resolu- tions from the island council or 'cabildo' (Serra-Rafols, 1949; Serra-Rafols & De la Rosa, 1952, 1965, 1970). Mention of Canarian endemics can also be found in those documents that were issued to establish the division of the land after the conquest (Serra-Rafols, 1978; Moreno-Fuentes, 1988). These documents are known as 'datas' and in them names of Canarian plants are usually given, as the plants were often used to indicate boundaries between different areas. These few examples are drawn from only a small number of pre-Linnaean references on Macaronesian endemic plants. Further research is needed in order to provide a clearer picture of the state of knowledge of early explorers, herbalists and naturalists of the flora of this region. Leonard Plukenet was one of the most outstanding bota- nists of the seventeenth century. With its approximately 2000 plant drawings, his Phytographia (Phyt.) was one of the most important pre-Linnaean works containing illustrations of plants. This work was issued in four volumes between 1691 and 1694 (Plukenet, 1691o, 16916, 1693, 1694) and he also had an extensive herbarium with approximately 8000 speci- mens (Pulteney, 1790) which was the basis for many of his drawings (Dandy, 1958). This large collection was the result of his enthusiastic acquisition of specimens, particularly of those exotic plants then grown in the most important gardens of Britain. He was also in close contact with most of the British herbalists of the time such as Doody, Cuningham, Ray, Sloane and Petiver and was in correspondence with other botanists from abroad (Pulteney, 1790). Most of his collection is now at The Natural History Museum in London (BM) where it comprises Volumes 84-105 of the Sloane Herbarium. There are also two unnumbered volumes con- taining his specimens which are titled 'Herbarium Vivum Plukenetianum' (HVP) and Thesaurus Botanicus'. Between 1696 and 1705, Plukenet produced three other works (Plukenet, 1696, 1700, 1705) in which he gave descriptions of the plates illustrated in his Phytographia and also listed many more plant species for which drawings were not published. These works are Almagestum botanicum (Aim.), Almagesti botanici mantissa (Mant.) and Amaltheum botanicum (Amalth.) in which the taxa are enumerated alphabetically under their polynomial names. Additional illustrations were included in the last two of these works, and so about 2740 PRE-LINNAEAN REFERENCES FOR MACARONESIAN FLORA figures can be found in Plukenet's works as a whole. It seems that only those plants regarded as exotic were included in the Phytographia, and the other three publications contain the rest of his collection (Pulteney, 1790). The work of Plukenet was greatly admired by Linnaeus who considered his Phytographia to be one of the most extraordinary pieces of botanical illustration then published (Linnaeus, 1736, 1751). Linnaeus himself frequently referred to Plukenet's polynomials in describing and naming many of his own species. In this paper we will review the publications of this English herbalist in relation to the Macaronesian flora. The aim of this study has been to assess what knowledge of the flora of the region was available to the European herbalists in the seventeenth century. Manuscripts from Plukenet's collection which are held in the Sloane Collection at the Department of Manuscripts in the British Library (BL) have also been studied (see Scott (1904) for the location of Plukenet's manuscripts in the Sloane Collection). For most of the species listed in his works, Plukenet referred to plant names given by previous herbalists. How- ever references to these authors were given in an abbreviated form and a key for them was presented in the final part of the Almagestum. In order to locate possible previous accounts of the Macaronesian taxa, earlier names cited by Plukenet have also been studied. Nevertheless some of the abbreviated references were not listed in Plukenet's key and we have therefore attempted to trace them through the reviews of botanical literature carried out by Linnaeus (1736), Pritzel (1872), Jackson (1881) and Heller (1959) and through the resources of the British Library and the Libraries of the Royal Botanic Gardens, Kew and The Natural History Museum. A list clarifying the abbreviations encountered in those of Plukenet's descriptions that are covered in our study appears at the end of this paper. It is hoped that this will help other researchers to trace some of the early references mentioned in Plukenet's works. The possible influence of Plukenet's works on subsequent studies of the Macaronesian flora was analysed by reviewing the utilization of Plukenet's names by Linnaeus (Richter, 1835-1840) and Webb & Berthelot (1836-1850). Further research in this area was undertaken through the study of those identifications of Plukenet's drawings provided by Giseke (1779) and Tenzel (1820) and of Linnaeus' annotated copies of Plukenet's works held at the Linnean Society of London. Taxonomic determination of phrase-names or polynomials given by Plukenet was undertaken after study of his her- barium collection at the Department of Botany (BM). This was facilitated by the fact that many of the specimens were labelled by Plukenet with references to the plate and figure numbers of his works. Plukenet's handwriting was compared with that found in Dandy (1958) and in his correspondence from the Sloane Collection at the Department of Manuscripts in the BL. For those labels which apparently were not written by Plukenet, specimens were checked with the original illus- trations found in his works. Labelled specimens which do not seem to be similar to their respective illustrations are also reported in this study. There are also some collections that do not have an obvious description or illustration in Plukenet's published work and there are also Macaronesian specimens which have no label. It is hoped that the results presented here will help to encourage further research concerning early references to the flora of the Macaronesian region and will contribute to the understanding of how the natural history of this area was perceived by European naturalists of the seventeenth cen- tury. List of abbreviations. BL = British Library, BM = The Natural History Museum, London (formerly the British Museum (Natural History)), HS = Sloane Herbarium, HVP = Herbarium Vivum Plukenetianum. The following abbre- viations refer to the most frequently used references in this study: Aim.: = Plukenet (1696), Amalth.: = Plukenet (1705), Linn. = Linnaeus (1753), Gis. - Giseke (1779), Mant. - Plukenet (1700), Phyt. - Plukenet (1691a, 1691ft, 1693, 1694), Ten. = Tenzel (1820), W.B. - Webb & Berthe- lot (1836-1850). TAXA FOUND IN PLUKENET'S WORKS A total of 97 descriptions of Macaronesian plants has been found in Plukenet's works, and each is listed below. In this list each description is given an entry number followed by the polynomial name used by Plukenet in bold. Text not relevant to the actual description has been omitted, and is indicated by '[. . .]'. Reference to Plukenet's published accounts and illustrations is given after the phrase-name including the appropriate page or plate number (abbreviated as 't.'), the latter being followed by the figure number (abbreviated as 'f.'). Plates from Almagesti botanld mantissa and Amaltheum botanicum are abbreviated using the code 't.' Information compiled for each entry is treated under five headings: (1) Earlier names and references mentioned by Plukenet (coded as Syn.:). Names are given in italics followed by the reference author in parenthesis. Untraced names and refer- ences are cited as they are found in Plukenet's text followed by '[?]'. (2) Citation of Plukenet's descriptions in works by subse- quent authors dealing with the Macaronesian flora (coded as His.:). The binomial name with which Plukenet's polynomial has been identified by Linnaeus (1753), Giseke (1779), Tenzel (1820) and Webb & Berthelot (1836-1850) (coded as Linn., Gis., Ten. and W.B. respectively) is given in square brackets. (3) Taxonomic determinations of Plukenet's polynomials (coded as Del.:). Labelled specimens used in establishing these determinations (made by us) and their location in HS are given in square brackets. Additional information is given in square brackets. Nomenclature and taxonomy follows Hansen & Sunding (1993); endemic taxa are marked with an asterisk. Illegible handwriting is indicated as [illeg.]. Deter- minations which are only based on Plukenet's description and not on drawings or specimens from his collection are indi- cated with '[?]'. (4) Other herbarium specimens (coded as Oth.:). Under this heading we list those specimens of Macaronesian taxa found in Plukenet's collection which are not labelled with a corre- sponding polynomial or a reference to Plukenet's works. (5) Comments (coded as Com.:). Under this heading we provide supplementary information including Spanish com- mon names reported by Plukenet, origin of material and other relevant details found in the original description or in J. FRANCISCO-ORTEGA, A. SANTOS-GUERRA AND C.E. JARVIS Plukenet's herbarium. This study of Spanish common names given by Plukenet has drawn on the studies of Viera y Clavijo (1866-1869), Ceballos & Ortuno (1951), Kunkel (1971) and Santos-Guerra (1983). 1. Acetosa arborescens, subrotundo folio; ex Insulis Fortunatis Aim.: 8 (1696), Mant.: 3 (1700), Phyt.: t. 252, f. 3 (1694). Syn.: Lunaria magorum Arabum Ital. Lunaria di Magi Arabi (Lobelius, 1576), Lunaria magorum Arabum (Lobelius, 1581), Lunaria Oxalidis rotundae folio (Bauhin, 1596), Oxalis rotundi folia frequentissima: a Rovillio picta, sed non descripta: sorte Lunaria Magorum Arabum (Pona, 1601), Lunaria magorum Arabum quid? (Bauhin, 1623), Lunaria magorum Arabum (Bauhin & Cherler, 1651). His.: Rumex lunaria L. [Linn.; Gis.; Ten.; W.B.]. Det.: * Rumex lunaria L. [HS 93: 9, 95: 12]. Oth.:HS99: 14, HVP: 4. 8. Apocynum arboreum ad Elaeagni faciem accedens Canariense, siliquis binis Nerii aemulis, (Cornicar I it su km is vulgo) a p id bus recurvis Aim.: 35 (1696), Phyt. :t. 260, 13(1694). Syn.: Nelem-pala (Rheede tot Draakenstein, 1689). Det.: Periploca laevigata Aiton [HS 99: 83]. Oth.:HS95:55. Com.: Plukenet reported the common name 'Cornicar'; plants of this species are known as 'comical' in the Canaries. This species was described twice by Plukenet (see entry 10), this description being based on adult plants. 9. Apocynum scandens, angustis Rosmarinae foliis, e Maderaspatan. Nannary-chedde Malabarorum. Huic multum convenit Illucl, quod ex Insulis Canarinis, olim nobis transmittebatur, & in Almagesto nostro memoratur Amalth.: 19, t. 361, f. 1 (1705). 2. Adianthum album Canariense, ramosius Aim.: 11 (1696). 3. Alsine spuria repens ex Insulis Fortunatis folio Hederae terrestris, molli, & incano Aim.: 24 (1696), Phyt.: 1.256(1694). Com.: None of the drawings published by Plukenet in Phyt.: t. 256 appears to correspond with the description in the Almagestum and we believe that the citing of this plate was an error. 4. Amaranthus Siculus spicatus, radice perenni [. . .] ex Insula Maderensi Aim.: 26 (1696), Phyt.: t. 260, f. 2 (1694). Syn.: Amaranthus Siculus spicatus, radice perenni (Boccone, 1674). His.: Achyranthes aspera L. [Linn.; Gis.; W.B.], A. argentea Lam. [Ten.]. Det.: Achyranthes aspera L. [HS 95: 41; 99: 61]. Oth.:HS97:78. 5. A n a gal I id is facie Frutex Canariensis Aim.: 29 (1696). 6. Anonis viscosa lutea, non spinosa, minor. Ex Insula Pico Amalth.: 15(1705). Syn.: Anonis viscosa lutea non spinosa minor Lusitanica (Hermann, 1698). 7. Anonis viscosa lutea mil is capreolata erecta foliis splendentibus glabris [. . .] ex Insulis Fortunatis ad nos allataestMant.: 15(1700). Syn.: Plukenet gave the following synonym: Anonis (sorte) annua lutea, siliqua glabra breviori (Morison, 1680). How- ever, the name found in Morison's work is 'Anonis lutea annua recta hirsuta viscosa siliquis hirsutis brevioribus, nobis\ 10. Apocynum scandens angusto Rorismarini folio, ex Insulis Fortunatis [. . .] Henio Hispanis vulgo Aim.: 37 (1696), Mant.: 17 (1700), Phyt.: t. 261, f. 2 (1694). Syn.: Naru-nindi (Rheede tot Draakenstein, 1690), Apo- cynum Hispanicum frutescens Linariae folio (Tournefort, 1694), Apocynum fruticosum scandens, Genistae, Hispanicae facie, floribus luteis odoratis (Sloane, 1696). According to the description (Mant.: 17) the name Apocynum (forte) caule tenui alte scandens capsulis echinatis was used by Banister (1693). However, we have been unable to find this name in this work. Det.: Periploca laevigata Aiton [HS 99: 85]. Com.: The Spanish common name 'Henio' is mentioned by Plukenet. However, plants of this species are known as 'comical' in the Canary Islands. The species was described twice by Plukenet (see entry no. 8), this second entry being based on young plants which are morphologically rather different from adult individuals. 11. Aquifolium laeve non spinosum, angustiore folio Lauri; ex Insula Palma Amalth.: 19 (1705). Det.: * Ilex canariensis Poir. [?]. Com.: Determination based on the description and on a specimen found in HS 189: 12 in J. Cuningham's collection from La Palma, made on the island in the late seventeenth century. 12. Aquifolium amplissimis foliis Minus corrugatum ex Insulis Fortunatis Aim.: 38 (1696), Mant.: 18 (1700), Phyt.: t. 262, f. 1(1694). His.: Ilex platyphylla Webb & Berth. [W.B.]. Det.: * Ilex perado Aiton ssp. platyphylla (Webb & Berth.) Tutin [HS 95: 60]. PRE-LINNAEAN REFERENCES FOR MACARONESIAN FLORA 13. Arbor Americana amplioribus subrotundis duris & nervosis foliis, fructu pugni majoris magnitudine. Insulis Fortunatis & Jamaicensibus nostratibus Mamee nuncupatur [. . .] Mommina, s. Mamee arbore [. . .] Hujus autem fructus ut Mala-granata sunt putamine corticoso. Mammee Canarinae folijs, & facie, Arbor ex Insula Johanna Aim.: 39 (1696), Mant.: 125 (1700), Phyt.: t. 268, f. 1 (1694), Phyt.: t. 204, f. 2 (1694). Syn.: Mamey (Nieremberg, 1635), Anda Brasiliensibus (Marggraf, 1648), Arbor vinifera Couton Juglandi similis (Bauhin & Cherler, 1650). Det.: Mammea americana L. [a herbarium specimen for this species is found in HS 96: 170. It has a label which states 'Mammee vera Arboris loium ex Insula Canarina' and does not have any reference to Plukenet's works. However it resembles the illustration depicted in Phyt.: t. 268, f. 1. There is another specimen in HS 99: 91 which refers to this plate but without any mention of a collection site. The plant given in Phyt.: t. 268, f. 1 (HS 99: 110) is not of M. americana and it is not a species from the Macaronesian flora. We can only assume that Plukenet incorrectly assigned the illustration from Phyt.: t. 268, f. 1 to his description of M. americana. Plukenet also indicated that the drawing found in Phyt.: t. 204, f. 2 was of this species. However this plate and its corresponding specimen (HS 96: 171) are of Bosea yervamora L. which is a Canarian endemic. A description of this species was also provided by Plukenet (for further discussion see entry 15)]. 14. An Arbor mirabilis ex Insula Ferro aquam still a us Mant.: 171(1700). Syn.: Sagapeni est liquor fruticis ferulacei oleandro montano similis, bonum quede color e ex albo (Manadi & Sylvij, 1598), Arbor aquam stillans (Bauhin & Cherler, 1650), Ombrion nullis aedificiorum vestigiis, habere, in montibus stagnum arbores similis ferulae ex quibus aqua exprimatur, e nigris amara ex candidioribus potui iucunda (Pliny, 1826o), In prima earum, cui nomem est Embrion, aedificia nee sunt nee fuerunt, iuga montium stagnis madescunt ferulae surgunt ad arboris magnitudinem: earum quae nigrae sunt, expressae liquorem reddunt amarissimum, quae candidae, aquas revo- munt etiam potui accomodatas (Solinus, 1958), Ferulae sunt arborescentes, afferente Vossio, Not, in Pompom, Melam [?], Sagapenum enim Ferulaceae Plantae gummi Dioscorides tra- dit. lib. 3. cap 95 [?]. Plukenet also quoted the following description from Galenus (1587) 'Sagapenum enim Ferulaceae Plantae gummi esse. Quam. Panaci similem esse aif . However we have been unable to trace it in this publication. Det.: * Ocotea foetens (Aiton) Benth. & Hook.f. [there is no herbarium specimen for this species in Plukenet's collection, determination has been based on the sixteenth century illus- tration given by Torriani (1978)]. 15. Arbuscula baccifera Canariensis, Syringae caeruleae foliis, purpurantibus venis, fructu monopyreno. Yerva-mora Hispanorum [. . .] Yerva-Mora ab Hispanis quoque dicitur Solanum baccis rubris & aureis; Ipsum tamen Solani ethymon ob quandam in quibusd partibus similitudinem longe pluribus iisque diversissimis stirpium generibus ab eodem Populo imponi consuevit: Affinitas ergo formae & coloris baccarum eo sorsan Hispanos Canariense induxit, ut hujus Arbusculam Yerva Mora (i.e.) Solani titulo insigniverint Aim.: 42 (1696), Mant.: 21 (1700). Syn.: Tilia sorte arbor racemosa, folio longiori subtus albi- cante nervis purpureis insignito, flore pentapetalo purpureo (Sloane, 1696). His.: Bosea yervamora L. [Although Linnaeus published this name originally in 1753, he cited Plukenet's polynomial as a synonym only in the twelfth edition of his Systema naturae (Linnaeus, 1767); W.B.]. Det.: * Bosea yervamora L. [a herbarium specimen found in HS 96: 171 belongs to this species. Plukenet associated this specimen with the figure in Phyt.: t. 204, f. 2 and the description of entry 13 (Aim.: 39). However his description of B. yervamora does not refer to this illustration. In fact in Aim.: 39 he identified it as a species of Mammea; this is also confirmed by one of the labels of the specimen which states: 'A Mamee Mamaya s. Momin'. Plukenet's accounts for B. yervamora (Aim.: 42, Mant.: 21) are extremely precise in, for example, the citation of the common name used in the Canaries. It is therefore surprising that he did not assign the illustration from Phyt.: t. 204, f. 2 (HS 96: 171) to the description]. Com.: Plukenet reported the use of the name 'Yerba-Mora' in the Canary Islands, where it is known as 'hierbamora', 'yervamora' and 'hediondo'. This name is also mentioned in his description from Aim.: 181, Mant.: 99, namely Hedera arbor ea ex argenteo & viridi foliis eleganter variegatis [. . .] Neque prorsus abhorres a Yerva Mora Canariensibus Hispa- nis. Hujus [. . .] non autem scandit haec sed erigitur (= Hedera helix L.). 16. Arbuscula Canariensis Salicis, aut potius Oleae Sylv. Barbadensium foliis & facie, seminibus ad tactum (quando maturis) e capsulis cum strepitu profilientibus, Snap Tree nostratibus vulgo. in Hort. Reg. Sancti Jacobi apud Westmonasterium praeterito anno cura D. Georg. London ex Seminibus natae sunt quamplurimae hujus adolescentes arbusculae [. . .] Quoad Vascula seminalia magnam habet convenientiam cum Curini Speciebus Malabarorum Aim.: 44 (1696), Phyt.: t. 313, f. 1 (1694). Det.: * Justicia hyssopifolia L. [HS 93: 140]. Com.: From the account of this species it seems that Plukenet based his description on material grown by George London, who was Master Gardener and Deputy Superintendent of the Royal Gardens under William III. The description found in entry 34 also seems referable to /. hyssopifolia. J. FRANCISCO-ORTEGA, A. SANTOS-GUERRA AND C.E. JARVIS 17. Arbutus angustiori folio non serrato ex Insulis Fortunatis. Aut potius Cerasus Canariensis Adrachne foliis magis acuminatis, fructu parvo, Fragiformi, monopyreno & Cerasis nostratibus plumirum divers! Aim.: 49 (1696). Syn.: Morocoks (Ogilvy, 1671). Det.: Myrica faya Alton [a specimen of this species is found in HS 95: 104; it does not bear any reference to Aim.: 49 except a label which states 'Arbutus non [illeg.] ex Canarinis'; a tentative determination has been made based on the resemblance of this specimen to Plukenet's original descrip- tion. It seems that this species was described twice as the description is virtually identical to that found in entry 23]. 18. Arbutus serratis foliis Canarina, cortice circumrupto, sive duodecies Anni spat io, corticem abjiciens, ex Insula Tenerifa nobis est allata Aim.: 49 (1696). His.: Arbutus canariensis Veill. [W.B.]. Det.: * Arbutus canariensis Veill. [there is a specimen of A. canariensis in HS 95: 104 which, although not explicitly linked to any page number of the Almagestum, bears three labels which agree with the original description from Aim.: 49]. Com.: One of the main features of this species is that individuals change their bark regularly. This was noticed by Plukenet and was mentioned both in the description (Aim.: 49) and on the specimen labels. 19. Atriplex angustifolia Canariensis, maritima, dentata, repens. Flos de A In mo Hispanis dicta Aim.: 61, 399 (1696), Phyt.: t. 326, f. 3 (1694). Syn.: Atriplex angustifolia maritima dentata (Ray, 1686), Atriplex argentea dentata curassavica (Hermann, 1689). Det.: Atriplex glauca L. [there is now no specimen upon which Plukenet's account was based; a tentative determina- tion has been made based on the drawing from the Phy- tographia] . Com.: The use of the common name 'Flos de Alumo' is reported by Plukenet, though plants of A. glauca are known in the Canary Islands by the names 'saladillo', 'salado' and 'marisma'. 20. It uph thai in urn Canariense Leucanthemum, Cotulae foetidae crassioribus foliis, radice, acrisapore, & fervido [. . .] Magala ab Insulanis nuncupatur Aim.: 73 (1696), Phyt.: t. 272, f. 6 (1694). Syn.: Pyrethrum flore Bellidis (Bauhin, 1623). His.: Chrysanthemum frutescens L. [Linn.; Gis.], Pyrethrum frutescens (L.) Gaertn. [Ten.], Argyranthemum frutescens (L.) Sch. Bip. [W.B.]. Det.: * Argyranthemum frutescens (L.) Sch. Bip. ssp. frute- scens [there is a specimen in HS 95: 200 of A. frutescens which bears a label which states 'Cotula e Canarinis Ins.' but the material resembles the figure found in Phyt.: t. 272, f. 6. Plukenet incorrectly cited Phyt.: t. 272, f. 5 for this species, and it is Phyt.: t. 272, f. 6 which agrees with the description. Subsequent taxonomic works from Linn., Gis., Ten. and W.B: noted this error and established that the correct draw- ing for this name is that in Phyt.: t. 272, f. 6]. Oth.: HVP: 28. Com.: The use of the common name 'Magala' is indicated in the description. This species is known locally as 'magarza'. 21. Campanula Canariensis Regia. s. Medium radice tuberosa, foliis sinuatis, coefiis, Atriplicis aemulis, ternis circa caulem ambientibus, flore amplo pendulo, colore flammeo rutilante [. . .] inter Convolvulorum species per incuriam posita, in Hort. Regio Hampton, nunc viget, ubi mende Januario, flores editit Aim.: 76-77 (1696), Phyt.: t. 276, f. 1 (1694). Syn.: Cachruiaqua (Hernandez, 1651), Totoncaxoxo coyollin (Hernandez, 1651). His.: Campanula canariensis L. [Linn.; Gis.; Ten.; W.B.]. Det.: * Canarina canariensis (L.) Vatke [HS 95: 133; 99: 161; 102: 160]. Oth.: HS 87: 79; 92: 38; 104: 59; HVP: 33. Com.: Plukenet reported that plants of this species were cultivated in the Royal Garden at Hampton Court Palace, in south-west London. Lectotypification of Campanula canariensis Linnaeus Linnaeus' protologue for this name (Fig. 1) in Species plan- tarum (Linnaeus, 1753) comprises a new diagnostic phrase name (C. foliis hastatis dentatis oppositis petiolatis, capsulis quinquelocularibus) , the citation of two synonyms from Lin- naeus (1738, also cited via van Royen, 1740) and Plukenet (1694, 1696), and the statement 'Habitat in insulis Canariis'. The diagnosis is a modification of that used in his earlier Hortus cliffortianus where Linnaeus published an illustration (see Fig. 2), but unfortunately no material exists in either the Clifford or Linnaean (LINN, S, UPS, H, MW) herbaria. Apart from Linnaeus' figure, the only other visual element in the protologue is the Plukenet illustration (see Fig. 3). Although it is perhaps a little more stylized than that executed by Ehret for Clifford (for Hortus cliffortianus), it shows the form of the corolla much more clearly, and has the considerable advantage that there is a voucher specimen in the Plukenet Herbarium upon which the illustration was evidently based. Both illustrations undoubtedly belong to the plant known as Canarina canariensis (L.) Vatke, so there are no taxonomic complications associated with this choice. Although the Clifford illustration would have been more familiar to Linnaeus, the existence of the voucher material makes us favour instead Plukenet's illustration and we for- mally choose Campanula Canariensis regia s. Medium radice tuberosa, foliis sinuatis,. . . Plukenet, Almagestum Bot. 76 (1696); Phytographia t. 276, f. 1 (1694) as the lectotype * Cattle fubJivifo. ctnarinft. if. CAA/IPANULA foliis haftatis dcntatis oppofitls pe- tiolatis, capfulis quioquelocularibus. Campanula foliis hnftatis dentatis, cr.ule determinate fo- lioib. Hort. clijf. 6$. t. 8. Roy. lugdb. 147. Campanula canartcnfis regia f. Medium radice tubcrofa, foliis finuatis czfiis atriplicis xmulis ternis circum ciulem arabientibus, flore amplo pendulo: colore flammeo rutilante. Pink. aim. 76. 1. 176 /. i.. Hnbttat in ixfulis Canariis. Tf Fig. 1 The original protologue of Campanula canariensis Linnaeus (1753). PRE-LINNAEAN REFERENCES FOR MACARONESIAN FLORA Fig. 2 Ehret's illustration of Campanula foliis hastatis dentatis, caule determinate foliose from Linnaeus' Hortus Cliffortianus (1738). J. FRANCISCO-ORTEGA, A. SANTOS-GUERRA AND C.E. JARVIS (typotype in Herb. Sloane 99: 161, BM) of Campanula canariensis L. 22. Carduus Acanthoides, s. incanus minor, elegans, ex Insula Maderensi Aim.: 85 (1696), Phyt.: t. 274, f. 1 (1694). Det.: Galactites tomentosa Moench [HS 99: 170]. 23. Cerasus Canariensis, mucronato Lauri angustiore folio, fructu parvo Fragiformi, Ossiculo tuberculoso, monopyreno Aim.: 95 (1696), Mant.: 43 (1700). Syn.: Morococks (Ogilvy, 1671). Det.: Myricafaya Alton [?]. Com.: Description virtually identical to that found in entry 17. 24. Cicutae fatuae nostrati similis, Planta Maderensis Aim.: 104(1696). 25. Cistus latifolia major trinervis incano folio, floribus purpureis ex Insula Pico Mant.: 49 (1700). Syn.: Ledon (Belon, 1553), Ledon tertium Cyprium (Clusius, 1601a), Cistus Ledon cretense (Bauhin, 1623), Cistus Ledon latifolium Creticum (Bauhin & Cherler, 1651), Cistus Ledon latifolium Creticum Triumfet (Cupani, 1696). 26. Convolvulus Canariensis, longioribus foliis mollibus, & incanis. Ahilo-porro Salvages Hispanis nuncupatur Aim.: 114 (1696), Mant.: 54 (1700), Phyt.: t. 325, f. 1 (1694). Syn.: Convolvulus marinus Catharticus foliis Acetosae flore niveo (Plumier, 1693). His.: Convolvulus canariensis L. [Linn.; Gis.; Ten.; W.B.]. Det.: * Convolvulus canariensis L. [HS 93: 110]. Com.: The common name 'Ahilo-porro Salvages' is men- tioned in the description. However Convolvulus species bear the common names 'corregiiela', 'chaparro', 'guaydil', 'lena noel' whereas the name 'ajo porro' is used for plants of Allium spp. 27. Convolvulus Canariensis minimus, flore ochroleuco, semine nigro. Hartelauena Indigenis dictus Aim.: 400 (1696), Phyt.: t. 324, f. 4 (1694). His.: Sarothra gentianoides L. [Gis.]. Det.: * Convolvulus fruticulosus Desr. [there is a specimen without a label of this Canarian endemic in HS 93: 110. It resembles the drawing published by Plukenet and a tentative determination has been made based on it]. Com.: Plukenet mentioned the use of the common name 'Hartelauena' (perhaps a derivation of 'corregiiela'). For common names of Convolvulus species see entry no. 26. It is worth mentioning that according to the description the spe- cies bears yellow flowers, however C. fruticulosus does not bear flowers with this colour. 28. Cupressus nana, Canariensis fructu minore. In Palma quoque Insula una ex Fortunatis oritur haec arbos Aim.: 125 (1696), Mant.: 61 (1700). Syn.: Arbor cujus fructus Abhel (Clusius, 1576), Habhel (Clusius, 1601a, Cupresso similis Arbor in Syria (Bauhin, 1623), Uyt Persien kont daar de Com Taxa (Rauwolf, 1707). Det.: Juniperus cf. phoenicea L. [?] Com.: Determination based on the description. It is notewor- thy that a specimen of this species is also found in HS 189: 32 in J. Cuningham's collection from La Palma. We were unable to find an earlier edition of Rauwolf s work. 29. Cytisus arboreus, Canariensis, oblongo folio, argentea & holosericea lanugine subtus villoso, flore pallidiori [. . .] Texo Insulanis nuncupatur Aim.: 128 (1696), Phyt.: t. 277, f. 4 (1694). Syn.: Cytisus albus sylvestris (Cordus, 1561), Cytisus Alpinus (Dalechamps, 1586), Cytisus albicans, folio Trifolii vulgaris (Bauhin, 1623). His.: Cytisus proliferus L. f. [W.B.]. Det.: * Chamaecytisus proliferus (L. f.) Link ssp. proliferus var. proliferus [HS 96: 2]. Com.: Plants of this species are known as 'escobon', Plukenet, however, reporting the common name Texo'. The name 'tejo' is used for plants of Erica scoparia L. ssp. platycodon (Webb & Berth.) Hansen & G. Kunkel. 30. Cytisus Canariensis, microphyllos, angustifolius, prorsus incanis [. . .] Esta Insulanis nuncupatur Aim.: 128 (1696), Phyt.: t. 277, f. 5 (1694). Syn.: Cytisus minor ibus foliis, ramulis tenellis villosis (Bau- hin, 1623), Cytisus Hispanicus, primus Clusii folio virescente (Bauhin & Cherler, 1650). His.: Teline canariensis (L.) Webb & Berth. [W.B.]. Det.: * Teline canariensis (L.) Webb & Berth. [HS 96: 2. Plukenet did not give a figure number for this species in his Almagestum, but there is a herbarium specimen of T. canar- iensis which bears Plukenet's handwriting and indicating that it relates to Phyt.: t. 277, f. 5]. Oth.: HS 87: 117, 93: 132, 100: 14. Com.: T. canariensis is known in the Canary Islands as 'retamon', 'retama de cumbre' or 'gildana'. However Plukenet reported the common name of 'Esta'. 31. Cytisus Canariensis, microphyllos, cauliculis villosis angustis viridibus foliis [. . .] Mysalva Insulanis, dicta Aim.: 128 (1696), Mant.: 63 (1700), Phyt.: t. 277, f. 6(1694). Syn.: Cytisus Hispanicus siliquis Ornithopodij (Bauhin, 1620), Cytisus Montis Calcaris (Bauhin & Cherler, 1650). His.: Genista canariensis L. [Linn.; Gis.; Ten.], Adenocarpus foliolosus (Aiton) DC. [W.B.]. Det.: * Adenocarpus foliolosus (Aiton) DC. [HS 96: 2. Plukenet did not give a figure number for this species in his Almagestum, but there is a herbarium specimen of A. foliolo- sus which bears Plukenet's handwriting indicating that it corresponds to fig. 6, and therefore the identifications pro- vided by Linnaeus, Tenzel and Giseke were incorrect. Webb & Berthelot (1842) realised this error in their account of Genista canariensis L. and assigned Phyt.: t. 277, f. 5 for G. PRE-LINNAEAN REFERENCES FOR MACARONESIAN FLORA Fig. 3 Plukenet's illustration of Campanula Canariensis regia s. Medium radice tuberosa, foliis sinuatis, from his Phytographia, t. 276, f. 1 (1694), the lectotype of Campanula canariensis L., Sp. PI. 1: 168 (1753), designated here. 10 J. FRANCISCO-ORTEGA, A. SANTOS-GUERRA AND C.E. JARVIS Fig. 4 Plukenet's illustration of Digitall affinis Canariensis Solidaginis acutis foliis leviter pilosis, from his Phytographia, t. 325, f. 2 (1694). . . (= Isoplexis canariensis (L.) Loud.) PRE-LINNAEAN REFERENCES FOR MACARONESIAN FLORA 11 Fig. 5 Voucher material of Digitali affinis Canariensis Solidaginis acutis foliis leviter pilosis, Plukenet's herbarium (now part of Herb. Sloane, vol. 100: 18 (BM)). . . (= Isoplexis canariensis (L.) Loud.) in 12 J. FRANCISCO-ORTEGA, A. SANTOS-GUERRA AND C.E. JARVIS canariensis (see entry 30) and Phyt.: t. 277, f. 6 for A. foliolosus. This has been confirmed in our research after the study of the labels found with Plukenet's specimens]. Oth.: HS 100: 14, HVP: 53. Com.: The common name 'Mysalva' is used by Plukenet, but Adenocarpus species are known as 'codeso'. 32. Digital! at finis Canariensis Solidaginis acutis foliis leviter pilosis, flore aureo cucullato, staminibus croceis cristae cavo accumbentibus ornato [. . .] Matera Insulanis vulgo, Hujus folia sunt impense amara Aim.: 400 (1696), Phyt.: t. 325, f. 2 (1694); see Fig. 4. Syn.: Adel-odagam (Rheede tot Draakenstein, 1689), Bahel- tsjulli (Rheede tot Draakenstein, 1689). His.: Digitalis canariensis L. [Linn.; Gis.; Ten.], Callianassa canariensis (L.) Webb & Berth. [W.B.]. Det.: * Isoplexis canariensis (L.) Loudon [HS 100: 18]; see Fig. 5. Oth.:HS87: 118. Com.: Plukenet reported the use of the common name 'Matera', however plants of this species are commonly called 'cresta de gallo' or 'dedalera'. The species described in entry 33 also seems to refer to this name. 33. Digitalis lutea, flore magno, Canariensis Aim.: 131 (1696). Syn.: Digitalis lutea magno flore (Bauhin, 1623), Digitalis lutea flore maiore folio latiore (Bauhin & Cherler, 1651). Det.: * Isoplexis canariensis (L.) Loudon [?] Com.: It seems that Plukenet described this species twice (see entry 32). 34. Ecbolii Indici, s. Adhatodae cucullatis floribus aemula, Hyssopifolia, Planta ex Insulis Fortunatis Aim.: 132 (1696), Phyt.: t. 280, f. 1 (1694). Syn.: Tsjanga-puspam (Rheede tot Draakenstein, 1689). His.: Justicia hyssopifolia L. [Linn.; Gis.], Gendarussa hys- sopifolia (L.) Webb & Berth. [W.B.]. Det.: * Justicia hyssopifolia L. [HS 96: 13, 100: 20]. Oth.:HS87: 122. Com.: It seems that Plukenet described this species twice (see entry 16). 35. Echium album Maderense, & Echium Tingitanum procerius, floribus immaculatis Aim.: 133 (1696), Phyt.:t. 278, f. 5(1694). Det.: * Echium cf. leucophaeum Sprague & Hutch. [HS 100: 22]. Com.: Although the description is given for a plant from Madeira, the specimen found in HS 100: 22 is a Canarian endemic. 36. Ficoides Africanum Mesembrianthemum, s. Ficus Aizoides teretifoliis, fuccesis, micis argenteis interspersis, flore carneo ex Insulis Fortunatis. Cosca Insulanis vulgo Aim.: 149 (1696). Det.: Mesembryanthemum nodiflorum L. [determination based on the Spanish common name reported by Plukenet. It is noteworthy that in HS 96: 123 there is a herbarium specimen without labels of this species]. Com.: Plants of this species are known as 'cosco' in the Canary Islands, a name extremely similar to that reported by Plukenet - 'Cosca'. 37. Ficus sylvestris [. . .] Hujus ramuli ex Insulis Fortunatis allati Aim.: 144 (1696), Phyt.: t. 281, f. 1 (1694). Syn.: De Caprifichi (Anguillara, 1561), Caprificus (Cordus, 1561), Ficus sylvestris (Bauhin, 1623), Caprificus voratur e sylvestri genere ficus nunquam maturescens (Pliny, 1826b), Ficus sylvestris Dioscoridis [?]. Det.: Ficus carica L. [HS 100: 43]. 38. Filicula crispa lanugine hepataci coloris vestita, ex Insulis Fortunatis Aim.: 150 (1696), Mant.: 77 (1700), Phyt.: t. 281, f. 4(1694). Syn.: Filix minor russa lanugine tola obducta inpinnas tantum divisa raras non crenatas subrotundas (Sloane, 1696). His.: Acrostichum marantae L. [Linn.; Gis.], A. velleum Willd. [Ten.]. Det.: Cheilanthes catanensis (Cos.) H.P. Fuchs [HS 100: 52]. 39. Filix Hemionitis dicta, Maderensis Hederae arboreae aliquatenus aemula, s. foliorum basi auriculis binis, utrinque donato Aim.: 155 (1696), Mant.: 82 (1700), Phyt.: t. 287, f. 4 (1694). Syn.: Hemionitis peregrina (Clusius, 16016), Hemionitis per- egrina Clusii & aliorum (Ray, 1686), Hemionitis peregrina foliorum segmentis sinuatis longioribus & magis acuminatis seu hederae folio anguloso (Sloane, 1696). His.: Asplenium palmatum Lam. [Ten.]. Det.: Asplenium hemionitis L. [HS 100: 51. In HS 96: 44 there is a label without a specimen which states: 'Hemionitis Maderensis hederaefolio base auriculis binis [illeg.] donate'; it seems that it refers to this description]. 40. Filix Hemionitis dicta Maderensis pediculis splendentibus nigris, crenatis foliis Asari rotundioribus cr en aru in segmentis oblongo quadratis, ob semina adnascentia per ambitum circumcirca reflexis Aim.: 155, 400 (1696), Mant.: 82 (1700), Phyt.: t. 287, f. 5 (1694); see Fig. 6. His.: Adiantum reniforme L. [Linn.; Gis.; Ten.; W.B.]. Det.: Adiantum reniforme L. [HS 100: 51; see Fig. 7. In HS 96: 44 there is a label without a specimen which states: 'Hemionitis Maderensis pediculis nigris folys Asari rotun- dioribus' which seems to refer to this species]. 41. Filix ramosa Canariensis Rutae murariae pinnulis angustis, altius incisis, mediae costae alternatim alligatis [. . .] Hujus folium totale, (circumscriptione) est sere triangulatum Aim.: 156 (1696), Phyt.: t. 291, f. 2 (1694). His.: Trichomanes canariense L. [Linn., Gis., Ten.]. Det.: Davallia canariensis (L.) J. E. Sm., [HS 93: 169, 100: 61]. Oth.:HS87: 143,95: 19. PRE-LINNAEAN REFERENCES FOR MACARONESIAN FLORA 13 Fig. 6 Plukenet's illustration of Filix Hemionitis dicta Maderensis pediculis splendentibus nigris, . . . (= Adiantum reniforme L.) from his Phytographia, t. 287, f. 5 (1694). 14 J. FRANCISCO-ORTEGA, A. SANTOS-GUERRA AND C.E. JARVIS . / ^4- Fig. 7 Voucher material of Filix Hemionltis dicta Maderensis pedlculis splendentibus nigris, . . . (= Adiantum reniforme L.) in Plukenet's herbarium (now part of Herb. Sloane, vol. 100: 51 (BM)). PRE-LINNAEAN REFERENCES FOR MACARONESIAN FLORA 15 Fig. 8 Plukenet's illustration of Horminum hastatis amplioribus foliis, s. Ari modo alatis, . .' . (= Salvia canariensis L.) from his Phytographia, t. 301, f. 2 (1694). 16 J. FRANCISCO-ORTEGA, A. SANTOS-GUERRA AND C.E. JARVIS jyjyjjjy^yyyiyilllllUlI^ Fig. 9 Voucher material of Hormlnum hastatis amplioribus foliis, s. Ari modo alatis, . . . (= Salvia zanariensis L.) in Plukenet's herbarium (now part of Herb. Sloane, vol. 100: 138 (BM). PRE-LINNAEAN REFERENCES FOR MACARONESIAN FLORA 17 42. Filix Saxatilis pervenusta, foliis punctatis, s. Adianthum Maderense folio Filicis, caule tenui candicante Aim.: 150 (1696), Phyt.: t. 284, f. 4 (1694). Syn.: Filix pulverulenta pinnulis obtuse dentatis (Plumier, 1693). Det.: Cystopteris cf. fragilis (L.) Bernh. [HS 96: 40]. 43. Foeniculum dulce Azoricum; a com muni dulci differ! radiorum umbellae magnitudine, & longitudine, umbella concava, seminibus grandioribus Aim.: 157 (1696). 44. Geranium Cretico simile minus incanum acu pusilla, ex Insulis Fortunatis Aim.: 169 (1696). 45. Geranium Hispanicum magna radice, Cicutae folio crassiori, [. . .] Insulis etiam Fortunatis reperitur, in quibus collect urn suit, & nobis allatum Aim.: 169-170 (1696). Syn.: Geranium Cicutae folio aculongissima (Bauhin, 1620, 1623), Geranium Hispanicum magna radice Cicutae folio crassiori (Sherard, 1689). 46. Geranium saxatile procumbens, foliis subtus canescentibus, flore majore candicante, ex Insula Pico. Cura industrij Hortulani Johannis Adams in Hort. Comptoniano, ex seminibus enutritam conspeximus Mant.: 89-90 (1700). Syn.: Tlatlauh capatli Oxygeranio Mex. (Hernandez, 1651). Com.: It seems that Plukenet based his description on plants from John Adams, Gardener to the Duke of Beaufort, presumably obtained from Henry Compton's Garden at Fulham Palace in London (Rohde, 1932). 47. Gramen Canarium Ischaemi paniculis Aim.: 175 (1696). Syn.: Gramen dactylon folio arundinaceo majus: aculeatum sorte Plinij (Bauhin, 1623; Ray, 1688a), Gramen Canarium Ischaemi paniculis (Parkinson, 1640), Gramen repens cum panicula Graminis Mannae (Bauhin & Cherler, 1651), Gra- men legitimum (Magnol, 1676). 48. Helleborine similis Canariensis. Flos Spiritus Sancti, vulgo Aim.: 183 (1696). Syn.: Flos Spiritus Sancti (Hermann, 1689). Com.: The common name 'Flos Spiritus Sancti' is given. Plukenet referred to a Helleborine similar to that from the Canary Islands, though as there is no mention of a Hellebo- rine Canariensis in any of his works (but only to a 'Hellebo- rine Canadensis'), it is likely that this citation was a typographic error. 49. Horminum hastatis amplioribus foliis, s. Ari modo alatis, caulibus & pediculis araneosa lanugine villosis, ex Insula Gomera quae una est ex Fortunatis [. . .] Mustazi Insulanis & Salvia arborea vulgo Aim.: 185 (1696), Mant.: 103 (1700), Phyt.: t. 301, f. 2 (1694); see Fig. 8. Syn.: Sclarea Lusitanica glutinosa amplissimo folio (Tourne- fort, 1694). His.: Salvia africana L. [Linnaeus (1762); Gis.], 5. canariensis L. [Ten.; W.B.]. Det.: * Salvia canariensis L. [HS 100: 138; see Fig. 9]. Oth.: HS 100: 99, 102: 47. Com.: Linnaeus (1762) cited Plukenet's reference in the synonymy of 5. africana L. He also identified the drawing from Phyt.: t. 301, f. 2 as S. canariensis in his annotated copy of Plukenet's Phytographia. The common names 'Mustazi' and 'Salvia arborea' are mentioned by Plukenet for the Canary Islands. However this species is known as 'garitope', 'salvia morisca' or 'salvia'. 50. Horminum latifolium Canariense pilosum, foliis alterno situ pofita non repugnarent, eandem hane esse plantam suspicarer Aim.: 185 (1696), Mant.: 103 (1700), Phyt. :t. 301, f. 3(1694). Syn.: Marum Aegyptiorum (Alpino, 1627). Det.: * Convolvulus canariensis L. [HS 100: 138]. 51. Hypericum, s. Androsaemum magnum Canariense ramosum, copiosis floribus fruticosum Aim.: 189 (1696), Phyt.: t. 302, f. 1 (1694). His.: Hypericum canariense L. [Linn.; Gis.], H. floribun dum Aiton [Ten.], Webbia floribunda (Aiton) Webb & Berth. [W.B.]. Det.: * Hypericum canariense L. [HS 96: 104]. 52. Jasminum album trifoliatum flore magno ex Insula Maderensi Aim.: 195 (1696), Phyt.: t. 303, f. 1 (1694). Syn.: Jasminum sorte Azoricum (Grisley, 1661). His.: Jasminum azoricum L. [Linnaeus (1762); Gis.; Ten.]. Det.: * Jasminum azoricum L. [HS 100: 149]. Com.: A description for this species was also provided by Plukenet in entry 54. 53. Jasminum Canariense foliis amplioribus laeto virentibus venosis, hirsutis & asperis, umbellatis Schetti floribus purpureis, ex caliculis inflatis, prorumpentibus. Ex Insulis Fortunatis nobis advecta. At ex India Orientali; ad D. Petiver allata est Aim.: 196 (1696). Det.: * Viburnum tinus L. ssp. rigidum (Vent.) P. Silva. [our determination is based on a specimen found in HS 100: 150 whose label states 'From Ins. Canaries, Jasminum'. The description provided by Plukenet agrees with most of the morphological features of this specimen] . 18 54. Jasmin u in Azoricum trifoliatum lucidum, acuminatis foliis, flore albo odoratissimo, flexilibus & obsequiosis Virgulis. A Jasmino flavo odoratissimo maxime diversum Amalth.: 123, t. 423, f. 6 (1705). J. FRANCISCO-ORTEGA, A. SANTOS-GUERRA AND C.E. JARVIS refers to Phyt.: t. 199, f. 3, but it cannot be identified with any Macaronesian species. Det.: * Jasminum azoricum L. [HS 93: 210]. Com.: The description found in entry 52 also refers to this species. 55. Kali aizoides Canariense procumbens, Portulacae pallescentibus succulentis foliis, aspergine rorida perpetuo in ad id is [. . .] Poita ( amilo Insulanis dictum; Haec species est ad caulium nodos prolifera cum floribus sere inconspicuis Aim.: 202 (1696), Phyt.: t. 303, f. 4 (1694). His.: Aizoon canariense L. [Linn.; Gis.; Ten.; W.B.]. Det.: Aizoon canariense L. [there is a herbarium specimen in HS 100: 42 which is similar to the figure given by Plukenet (Phyt.: t. 303, f. 4), it has a label which follows the descrip- tion (Aim.: 202) but states that the specimen is from 'Ind. Or.'. Furthermore in HS 100: 92 there is a label without a specimen that states 'Kali aizoides procumbens lichenides folio ex Insulis Fortunatis'; it is likely that this label belongs to the specimen found in HS 100: 42]. Com.: The use of the common name 'Poita Camilo' (it may be a derivation of 'pata (de) camello') is indicated by Plukenet. Actual common names for this species are 'pata perro' or 'patilla'. 56. Laurifolia Canarina diphyllos [. . .] Sorte IN i mho Javanensium prima Aim.: 211 (1696), Phyt.: t. 305, f. 1 (1694). Syn.: Lauro Indica (Bontius, 1658). Com.: There is a herbarium specimen in HS 96: 143 associ- ated with Plukenet's figure, but the specimen does not belong to any species of the Macaronesian flora. 57. Laurotaxa epiphyllocarpos, crenatis foliis, maxima, e singulis foliorum crenis, baccifera. Ex Insula Palma; nuper allata est Mant.: 114 (1700). His.: Ruscus androgynus L. [Linnaeus published this name in 1753. However, he referred to Plukenet's polynomial only in his earlier Hortus diffortianus (Linnaeus, 1738)], Danae androgyna (L.) Webb & Berth. [W.B.]. Det.: * Semele androgyna (L.) Kunth [?]. Com.: Specimens of this species have not been found in Plukenet's herbarium; this tentative determination is based on the original description and on information provided by Linnaeus (1738) and Webb & Berthelot (1847). Also, J. Cuningham collected plants of this species during his stay in La Palma in the late seventeenth century, one of which is found in HS 189: 25. 58. Laurus Azorica pallidioribus & latioribus foliis, inodora Aim.: 210 (1696), Phyt.: t. 199, f. 3 (1693). Syn.: Laurus [. . .] Pompeius Lenaeus adjecit quam mustacem appellavit, quoniam mustaceis subjiceretur. Hanc esse folio maxima, flaccido que et albicante (Pliny, 1826c). Com.: The specimen found in HS 96: 139 has a label which 59. Laurus Indica Aim.: 210 (1696), Mant.: 115 (1700), Phyt. :t. 304, f. 1(1694). Syn.: Laurus Indica (Aldino, 1625), Laurus Indica. Indica sive Americana Laurus (Ferrarius, 1633), Laurus Americana cujus cortex Cassia ligneae multum assimilatur (Parkinson, 1640), Quauh eloxochitl (Hernandez, 1651), Laurus Regia. Laurier Royal (Vallot, 1665), Laurus Americana sive Persea Clusij (Schuyl, 1672), Laurus [. . .] Accessit et regia, quae coepit Augusta appellari, amplissima et arbore et folio (Pliny, 1826c). His.: Laurus indica L. [Linn.; Gis.; Ten.], Persea indica (L.) Spreng. [W.B.]. Det.: * Persea indica (L.) Spreng. [HS 100: 167]. 60. Laurus Maderensis angustifolia pa 1 1 id a odoratissima, venis foliorum aversa parte magis extantibus Aim.: 210 (1696), Phyt.: t. 199, f. 2 (1693). Com.: The herbarium specimen which corresponds with this figure is found in HS 96: 138 but it does not belong to any Macaronesian species. 61. Laurus Regia odoratissima Maderensis Aim.: 210 (1696). Syn.: Laurus latifolia Azorica, Cinamomi odore (Commelin, 1689), Laurus Regia odoratissima Maderensis (Hermann, 1689). 62. Lavandula maritima Canariensis spica multiplici caerulea Aim.: 209 (1696), Phyt.: t. 303, f. 5 (1694). His.: Lavandula multifida L. [Gis.], L. abrotanoides Lam. [Ten.]. Det.: * Lavandula buchii Webb [HS 96: 134, 96: 135]. 63. Limonium parvum Hell id is minoris folio Aim.: 221 (1696). Syn.: Limonium pumilum (Clusius, 1601ft), Limonium par- vum bellidis minoris folio (Bauhin, 1623), Limonium minus bellidis minoris folio. Petit Limonium a feuilles de Marguerite (Dodart, 1676). His.: Statice limonium L. [Linn.]. Det.: * Limonium pectinatum (Aiton) Kuntze [HS 96: 149. The original description does not mention any of the Macaro- nesian Islands. However the specimen has a label (i.e. 'Limonium parvum Bellidis minoris folio CBP Limon. pumi- lum Clus. ex Insula Canarina') which follows the phrase- name from Aim.: 221 and also refers to the Canary Islands]. 64. Linariae similis, Arbuscula Canariensis, latiore folio viridi Amalth.: 133 (1705). Det.: * Kleinia neriifolia Haw. [?]. Com.: This description is similar to that of entry 65, and we believe that it refers to vigorous plants with broader leaves. PRE-LINNAEAN REFERENCES FOR MACARONESIAN FLORA 65. Linariae si mi I is Arbuscula Canariensis, folio longiore carnoso fragili, fubtus purpurascente Crithimmi recipiens Aim.: 223 (1696), Mant.: 118 (1700), Phyt.: t. 304, f. 3 (1694). Syn.: Plantae Lav endulae folio (Clusius, 1605), Frutex Indiae Orientalis Lavendulae folio (Bauhin, 1623), Arbor Laven- dulae folio (Bauhin & Cherler, 1650), Texioquahoitl (Her- nandez, 1651). His.: Cacalia kleinia L. [Linnaeus published this name in 1753. However he quoted Plukenet's polynomial only in his earlier Hortus cliffortianus (Linnaeus, 1738)]. Det.: * Kleinia neriifolia Haw. [this determination is based on Plukenet's drawing and description. However there is also a herbarium specimen in HS 102: 86 without a label which belongs to this species]. 66. Lupinus major villosis foliis Maderensis flore albo & purpureo [. . .] nostra tamen folia, baud proprie angusta did merentur Aim.: 229 (1696), Mant.: 120 (1700). Syn.: Lupini albi in quorum genere reperiuntur maximi, flore antequam aperiatur, subcaeruleo intus vero albo (Camerarius, 1588), Lupinus sativus major, & quartus Clusii, flore e coeruleo purpurascente. Lupinus Aethiopicus quorundam (Besler, 1613), Lupinus Indicus medius caerulens (Parkinson, 1640), Lupinus caeruleus minor per ennis Virginianus repens, nobis (Morison, 1680), Lupinus medius caeruleus (Ray, 1686), Lupinus incarnatus (Hermann, 1687), Lupinus angus- tifolius, flore e candido purpureo (Cupani, 1696). Det.: Lupinus albus L. [?]. 67. Melissa Canarina multifido folio spicata, odorem (amphorae spirans, penetrantissimum Mant.: 128, t. 430, f. 2. (1705); see Fig. 10. Syn.: Katu-kurka (Rheede tot Draakenstein, 1690), Moldav- icae Species trifolia, ex America, nuper ad nos missa Turne- fort. de opt. Meth. instituend in re Herber epist. ad Sherard. pag-18[?]. His.: Chrysanthemum indicum L. [Ten.]. Det.: * Cedronella canariensis (L.) Webb & Berth. [HS 101: 13, upper specimen]. Com.: It appears that this species was described twice by Plukenet (see entry 69). 68. Melissa (forte) an Mentha viridis. Haec autem Melissa non est, sed re vera ad Mentharum genera accenseri meretur, & nominari licet Mentha pi In I if era Betonicae forma, & odore aromatico, ex Insulis Fortunatis. Polihomons Insulanis dicta Aim.: 247 (1696), Mant.: 127 (1700), Phyt.: t. 307, f. 1 (1694). Syn.: Yxiayaboal Chapaltepecensis (Ray, 16886), Melissa elatior foliis magnis dentatis glabris ad genicula binis, /lores odoratos luteos patulos stamina bina quasi cornua protru- dentes, in summitate caulium ramatim serens (Banister, 1693). Det.: * Bystropogon canariensis (L.) L'Her. [there is an unlabelled specimen corresponding with this species in HS 101: 15 which resembles the drawing depicted by Plukenet in Phyt.: t. 307, f. 1; a tentative determination is based on this specimen]. 19 Oth.:HS88:73;96: 187. Com.: Bystropogon species are known in the Canaries as 'poleo de monte' o 'poleo monte', this agrees with Plukenet's description as he reported on the use of the word 'Poli- homons'. Two different descriptions which seem referable to this species have been found in Plukenet's works (see also entry 70). 69. Melissa forte Canarina triphyllos odorem Camphorae spirans penetrantissimum Aim.: 401 (1696), Phyt.: t. 325, f. 5 (1694). Syn.: Aztaxochitl (Hernandez, 1651). His.: Dracocephalum canariense L. [Linn.; Gis.], Cedronella canariensis (L.) Webb & Berth. [W.B.]. Det.: * Cedronella canariensis (L.) Webb & Berth. [HS 101: 13, lower specimen]. Oth.: HS 88: 71; 94: 14; HVP: 120. Com.: The description found in entry 67 also refers to this species. 70. Melissophyllum citratum ex Insulis Fortunatis, Lingo-veha ab Insulanis dictum Aim.: 247 (1696), Phyt. : t. 306, f. 4 (1694). Det.: * Bystropogon cf. canariensis (L.) L'Her. [determina- tion based on the drawing provided by Plukenet; however, there is also an unlabelled specimen in HS 101: 14 which resembles this figure]. Com. : The use of the common name 'Lingo-veha' is indicated for this entry. However plants of this species are known as 'poleo de monte' or 'poleo monte'. Another description which seems to refer to this species can be found in entry 68. 71. Mentha Maderensis I us u lac. minus odorata Aim.: 248 (1696). 72. Mentha sylvestris Azorica longioribus foliis incanis, spica longiore & crassiore Aim.: 248 (1696). 73. Mentha Canariensis frutescens, foliis subtus lanugine candidissima, villosis floribus glomeratis e sinu foliorum longioribus pediculis insidentibus Aim.: 248 (1696), Phyt.: t. 307, f. 2 (1694). His.: Mentha canariensis L. [Linn.; Gis.], Bystropogon canar- iensis (L.) L'Her. [Ten.; W.B.]. Det.: * Bystropogon plumosus (L. f.) L'Her. [HS 96: 186]. Oth.: HS 101: 18 [although this specimen is badly preserved, it resembles the drawing given by Plukenet in Phyt.: t. 307, f. 2]. Com.: The phrase-name found in entry 74 also seems to refer to this species. 74. Mentha Canariensis, minore folio subtus incano, ramosissimus Aim.: 248 (1696). Det.: * Bystropogon plumosus (L. f.) L'Her. [HS 96: 186. The specimen is not explicitly linked with Aim.: 248 but it does have a label which states 'Mentastrum incanum canar- iensis minore folio ramosiss' which follows this entry]. Com.: It seems that Plukenet provided another description for this species in entry 73. 20 J. FRANCISCO-ORTEGA, A. SANTOS-GUERRA AND C.E. JARVIS JP/ u Fig. 10 Plukenet's illustration of Melissa Canarina multifido folio spicata. odorem Camphor ae spirans, penetratissimum (= Cedronella canarlensis (L.) Webb & Berth.) from his Phytographia, t. 430, f. 2 (1705). PRE-LINNAEAN REFERENCES FOR MACARONESIAN FLORA 75. Muscus arboreus aurantiacus, staminibus tenuissimis, ex Insulis Fortunatis [. . .] Totus citrino colore nitet peramaeno Aim.: 254 (1696), Mant.: 132 (1700), Phyt. :t. 309, f. 1(1694). Syn.: Laricus Muscus (Bauhin & Cherler, 1650). Plukenet claimed that the name Muscus arboreus rutilans was given by Bauhin (1623); there are five polynomials commencing 'Mus- cus arboreus' in Bauhin's work but none of them appears in exactly this form. Del.: Lethariella canarlensis (Ach.) Krog [HS 97: 4, 101: 31]. Oth.:HS92:94. 76. Muscus cinereus, e i amis Arbor um dependens, Canariensis, ex staminibus crassioribus geniculatis, in tenuissima & longissima Ilia ramulosus. [. . .] Tanta copia inveniuntur hi musci apud Virginienses iis praesertim locis, ubi in Maris accessu aquis abundant, ut Hiberno tempore Totas arbores quibus adnascuntur dejiciant, eo quod pabulum Vaccis & ovibus suis praebent gratissimum Aim.: 254 (1696). Syn.: Muscus capillaceus longissimus (Bauhin, 1623). Plukenet claimed that Clusius (1601) used the name Muscus capillaceus cineri colons, e ramis Ilicis dependens. However, we have been unable to trace this polynomial in either part of this publication. Del.: Usnea articulata (L.) Hoffm. [determination based on Plukenet's description and on an unlabelled specimen found in HS 101: 31 which follows this description]. 77. Origanum Maderense nostrati simile odoratius capitulis albicantibus. Gratissimo odore nares perstringit Aim.: 272 (1696), Mant.: 141 (1700). Det.: Origanum vulgare L. [?]. 78. Palma prunifera foliis Juccae, fructu racemoso Cerasi-formi, ossiculo duro cinereo, Pisi magnitudine, Lachrymam Sanguis Draconis dictam fundens Aim.: 277 (1696). Syn.: Dracone arbore (Clusius, 1576), Draco (Clusius, 1601a, Draco arbor (Bauhin, 1623; Parkinson, 1640), Draco arbor et de eius Lacryma, seu sanguine e Draconis cinnabati Veterum (Bauhin & Cherler, 1650), Palma prunifera foliis Yuccae, fructu, in Racemis congestis, ceraciformi, duro cinereo pisi magnitudine: hujus lacryma, Sanguis draconis dicta, Draco Arbor, Clusi. Belg. Draken-boom (Commelin, 1689), Palma prunifera foliis Juccae fructu racemoso cerasiformi ossiculo duro cinereao pisi magnitudine Lachryman sanguis Draconis dictam sundem (Kiggelaer, 1690). Det.: * Dracaena draco (L.) L. [a herbarium specimen found in HS 91: 31 has a label agreeing with Plukenet's name]. 79. Papaver corniculatum ru bruin minus ex Insulis Fortunatis. Mahopola Insulanis dictum Aim.: 279 (1696). Det.: Papaver rhoeas L. [?]. Com.: The common name 'Mahopola' is reported by Plukenet. Plants of Papaver spp. are called 'amapola' in mainland Spain and the Canaries. 21 80. Peucedani folio Plant a Maderensis Aim.: 289 (1696). Syn.: Planta fruticescens Africana perrara, foliis Peucedani, floribus conglomeratis Herbae castae Americanae nonnihil similibus (Breyne, 1678b). 81. Phaseolus teneri folius, fructu coccineo. ex Insulis Fortunatis a D.D. Uvedal accepimus Aim.: 291 (1696). Det.: Phaseolus vulgaris L. [?] 82. Polygonum Juncoide Scoparium ex Insulis Fortunatis Aim.: 303 (1696), Phyt.: t. 311, f. 3 (1694). Syn.: Alsine alpina junceo folio (Bauhin, 1620, 1623). Det.: * Plocama pendula Aiton [HS 97: 117]. 83. Polygonum ex Insula Palma, Serpylli foliis ad genicula confertis, argentea coma paleacea Mant.: 154 (1700). Det.: Polygonum maritimum L. [?] Com.: Determination based on the description and on the fact that J. Cuningham collected plants of this species during his stay in La Palma in the late seventeenth century. A specimen is in HS 189: 12 in Cuningham's collection from this island. Plukenet also refers to this species in a phrase name found in Aim.: 122 (illustrated in Phyt.: t. 277, f. 3); his description is 'Cruciatae marinae similis, Planta Indiae orien- talis [. . .] Huic valde similis es Insula Palma nuper est allata plantula, cui nomem dedi Polygonum Serpylli foliis, ex adverso binis, sericea coma candicante'. There is no her- barium specimen for this name. 84. Ranunculus Canariensis hirsutus grumosa radice Platani sere foliis, flore pallide luteo majore Aim.: 313 (1696). Syn.: Ranunculus creticus latifolius (Clusius, 1601a), Ranun- culus asphodeli radice Creticus and also Ranunculus lanugin. apii folio asphodeli radice (Bauhin, 1623), Ranunculus alter saxatilis Asphodeli radice (Parkinson, 1640). Det.: * Ranunculus cortusifolius Willd. [label for the speci- men of R. cortusifolius is found in HS 97: 144 and quotes the description given by Plukenet in Aim.: 313]. 85. Rubia arborescens asperior Insula rum Canariensium, foliis ad singula genicula ternis [. . .] Nettle-Tree a Mercatoribus dicta Aim.: 323 (1696), Phyt.: t. 311, f. 4 (1694); see Fig. 11. Det.: * Rubia fruticosa Aiton ssp. fruticosa [HS 97: 171; see Fig. 12]. 86. Saamounae Brasiliensium floribus aemula, Arbor Sal vitolia sericea, dipetaloides, ex Insulis Fortunatis Aim.: 326 (1696), Mant.: 164 (1700), Phyt.: t. 313, f. 2 (1694). Syn.: Teucroides filiculosum foliis laurinis, floribus, galeatis & labiatis (Sloane, 1696). Det.: * Teucrium heterophyllum L'Her. [HS 98: 1]. 22 J. FRANCISCO-ORTEGA, A. SANTOS-GUERRA AND C.E. JARVIS Fig. 11 Plukenet's illustration of Rubia arborescens asperior Insularum Canariensium, . . . (= Rubia fruticosa Aiton ssp. fruticosa) from his Phytographia, t. 311, f. 4 (1694). PRE-LINNAEAN REFERENCES FOR MACARONESIAN FLORA 23 /* wrx +9 4*** X* 1 / ' / A?,^ f$**^ffy i> *S?**tr*-*~r *\ . ' ^ ^ / j? fr * M j^v 1 4 n &v 4 ***~JK, ' / SY f/ J? /S ' *"* MT^tfe eX. fctfy. >r <^^A^ ' y nBiiiimiiHiiBmiiiiiiiiiiiiiiiiiiiiiiimiiiiiiiiiiimiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiHiiiii Fig. 12 Voucher material of Rubia arborescens asperior Insularum Canariensium, . . . (= Rubia fruticosa Aiton ssp. fruticosa) in Plukenet's herbarium (now part of Herb. Sloane, vol. 97: 171 (BM)). 24 J. FRANCISCO-ORTEGA, A. SANTOS-GUERRA AND C.E. JARVIS Fig. 13 Plukenet's illustration oi Solatium tomentosum Canariense spinosum, fructu Cerasorum forma & magnitudine . . . (= Solanum vespertilio Aiton) from his Phytographia, t. 316, f. 3 (1694). 87. Salicis folio Canariensis Arbuscula impatiens [. . .] s. Arbor crepitus; The Snap-Tree nostratibus, & Satterel Insulanis dicta. Ab Ecbolii Indici s. Adhatodae, cucullatis floribus Aemula, Hujus ex iisdem locis, parum diversa. Eademque est, cum Arbuscula Canariensi Salicis aut pot ins Oleae Sylv. Barbadens. folio & facie, & c. Aim. : 328 (1696), Mant.: 165 (1700). Syn.: Apancholoa (sorte) sive Herba lymphis infiliens Nier- amberg. de Exotic fol. 351 [?]. Com.: The use of the common name 'Satterel' is indicated in this description, but we have been unable to link this common name with any Canarian species. 88. Salvia auriculata, mucronatis foliis crassis, lanuginosa, appendicibus aucta Aim.: 329 (1696), Phyt.: t. 57, f. 3(1691). Del.: Salvia sp. [HS 97: 184. The phrase-name does not give any reference to Macaronesia. However, labels from the herbarium specimen refer both to Phyt.: t. 57 f. 3 and to the Canary Islands (i.e. 'Sage, salvia trifoliada Canariensis') and Plukenet's drawing from Phytographia is extremely similar to this specimen. However, the material belongs to a species that does not occur in the Canary Islands and it is likely that it was wrongly assigned there by Plukenet]. PRE-LINNAEAN REFERENCES FOR MACARONESIAN FLORA 25 if. 3 $-2. / /* * I**' % / miiiiiiriiiiiiiiiiiiiiiiimimiitfiBiiiHiiiiiiiiilllMlllllillllllllllU^ Fig. 14 Voucher material of Solatium tomentosum Canariense spinosum, fructu Cerasorum forma & magnitudine . . . (= Solarium vespertilio Alton) in Plukenet's herbarium (now part of Herb. Sloane, vol. 98: 57 (BM)). 26 J. FRANCISCO-ORTEGA, A. SANTOS-GUERRA AND C.E. JARVIS Fig. 15 Plukenet's illustration of Tithymalus aizoides lactifluus s. Euphorbia Canariensis, quadrilatera, & quinquelatera Cerei effigie . . . ( - Euphorbia canariensis L.) from his Phytographia, t. 320, f. 2 (1694). PRE-LINNAEAN REFERENCES FOR MACARONESIAN FLORA 27 . f. 7 . -J, 4- iiiiiiiiiimiiiiiiiiiiiiiiiiiiiiiimiiiiimiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiuiiiuiiiiii Fig. 16 Voucher material of 77//z_yma/s aizoides lactifluus 5. Euphorbia Canariensis, quadrilatera, & quinquelatera Cerei effigie . . . (= Euphorbia canariensis L.) in Plukenet's herbarium (now part of Herb. Sloane, vol. 102: 86 (BM)). 28 89. Salvia sylvestris amplissimis Verbasci foliis, graveolens, flore albo parvo Canariensis inter Delineation. [. . .] Arvida Salva Insulanis vulgo. Flos ejus galea caret. Facie externa cum Stachyde convenit Aim.: 329 (1696). J. FRANCISCO-ORTEGA, A. SANTOS-GUERRA AND C.E. JARVIS (Linnaeus, 1738)]. Det.: * Phyllis nobla L. [HS 102: 15. We have also found sheets in Miller's (from Chelsea Physic Garden) and Uvedale's herbaria from the late seventeenth and early eighteenth centuries] . His.: Leucophae canariensis (L.) Webb & Berth. [W.B.]. Det.: * Sideritis canariensis L. [?] Com.: There is neither a drawing nor an obvious specimen for this entry. The description is extremely similar to that of entry 95 and our determination is based upon that. The common name 'Arvida Salva' is given by Plukenet, however Sideritis species are known as 'chahorra' and 'salvia blanca' in the Canary Islands. 90. Sedum in a jus Canarinum [. . .] pilis ad oras foliorum hispidis argenteo-lucidis fimbriatum floribus ex flavo pellescentibus, per ramos numerosissimos recurvatos eleganti serie dispositis [. . .] Corozone Celio ab Insulanis dictum Aim.: 340 (1696), Mant.: 169 (1700), Phyt.: t. 314, f. 1 (1694). His.: Sempervivum canariense L. [Linn.; Gis.; Ten.], Aeo- nium canariense (L.) Webb & Berth. [W.B.]. Det.: * Aeonium tabulaeforme (Haw.) Webb & Berth, [deter- mination based on Plukenet's description and illustration. Nevertheless, one herbarium specimen without a label is found in HS 101: 201]. Com.: The common name 'Corozone Celio' (perhaps a derivation of 'corazoncillo') is reported in this description. The common name 'corazoncillo' is used for Lotus species whereas plants of Aeonium are known as 'pastel de risco', 'oreja del abad', verol' or 'bejeque'. 91. Sedum maximum villosum ex Insulis Fortunatis La Frecho de las uvas Insulanis dictum Aim.: 339 (1696). Syn.: Sedum maximum arborescens, latifolium, flore flavo, Capitis Bonae Spei, D. ten Rh. (Breyne, 1678a). Com.: Plukenet gave the common name 'La Frecho de las uvas' for plants of this species. No obvious Spanish common name has been found which could be related to that reported by Plukenet. 92. Sideritis canariensis Mocanes dicta, folio subtus incano, margine spinulis asperato, calyculis tomentosis Aim.: 346 (1696), Phyt.: t. 315 f. 4 (1694). His.: Scutellaria integrifolia L. [Ten.]. Det.: * Forsskaolea angustifolia Retz. [HS 98: 39]. Oth.:HS102: 12. Com.: The common name 'Mocanes' is given in this descrip- tion. However the name 'mocan' is used, in the Canary Islands, for plants of Visnea mocanera L. f. Plants of F. angustifolia are known as 'ratonera' or 'hierba ratonera'. 93. Sim pi a- nob la Canariensium, Planta oblongis, amplioribus splendentibus foliis ternis circa caulem ambientibus, venosis Aim.: 347 (1696). His.: Phyllis nobla L. [this name was originally published by Linnaeus (1753). However, reference to Plukenet's phrase- name was given by Linnaeus only in Hortus cliffortianus 94. Solanum tomentosum Canariense spinosum, fructu Cerasorum forma & magnitudine [. . .] Hujus fructus sunt saturate Laccae coloris ex quibus fucum conficiunt Insulanae Mulieres, quo faciem oblinunt, & ex pallida rubicundam efficiunt, ut hoc modo Amasiis suis formosiores reddantur. Bella Donna Canarina spinis armata; Permenton Insulanis vocatur Aim.: 351 (1696), Phyt.: t. 316, f. 3 (1694); see Fig. 13. Syn.: Planta spinosa incognita (Bontius, 1658). His.: Solanum vespertilio Aiton [W.B.]. Det.: * Solanum vespertilio Aiton [HS 98: 57; see Fig. 14]. Oth.:HS88: 122. Com.: The common name 'Permenton' is given by Plukenet, this follows closely the names used in the Canary Islands: 'pimentero' and 'pimientero'. This description has an ethno- botanical interest as it presents a detailed account on the traditional use of the fruits of this species. Its juice was the basis for a dye which was used as a facial makeup by the Canarian women. 95. Stachys amplissimis Verbasci foliis, floribus albis parvis non galeatis, spica Betonicae, ex Insula Canarina [. . .] Arvida salva Incolis, & nostratibus Sage-Tree (i.e.) Salvia arbor nuncupatur Aim.: 356 (1696), Phyt.: t. 322, f. 4(1694). His.: Sideritis canariensis L. [Linn.; Gis.; Ten.]. Det.: * Sideritis canariensis L. [HS 98: 69; 102: 39]. Oth.:HS102:40. Com.: The use of the common name 'Arvida salva' is reported by Plukenet. This description is extremely similar to that of entry 89 and we believe that both refer to the same species. For a discussion of the use of the common name by Plukenet, see entry 89. 96. Tithymalus aizoides lactifluus s. Euphorbia Canariensis, quadrilatera, & quinquelatera Cerei effigie, ad angulos per creba intervalla spinis rectis atronitentibus, Gazellae cornua referentibus, armata Aim.: 370 (1696), Mant.: 182 (1700), Phyt.: t. 320, f. 2 (1694); see Fig. 15. Syn.: Quauh cuetz placuitlapilli (Hernandez, 1651), Euphor- bio similis Sadricalli Indorum (Breyne, 1689), Rangiseri cor- nua referens planta Zeylanica. Sandricay Zeylan (Hermann, 1689), Tithymalus quadrangularis spinosus S. spinis geminis aduncis ex eadem sede ortis armatus, succo lacteo acerrimo turgidus (Kiggelaer, 1690). His.: Euphorbia canariensis L. [Linn.; Gis.; Ten.; W.B.]. Det.: Euphorbia canariensis L. [HS 102: 86; see Fig. 16]. PRE-LINNAEAN REFERENCES FOR MACARONESIAN FLORA 97. 1 it h vina I us dendroides Linariae foliis ex Insula Canarina Aim.: 369 (1696), Mant.: 181 (1700), Phyt.: t. 319, f. 5 (1694). Syn.: Tithy mains perennis & procerior lini folio acuto (Sloane, 1696). His.: Othonna tenuissima L. [Gis.], O. linifolia L. f. [Ten.], Euphorbia regis-jubae Webb & Berth. [W.B.]. Det.: * Euphorbia regis-jubae Webb & Berth, [we have not found any specimen for this species in Plukenet's herbarium, this determination is based on the drawing from Phytographia and on Webb & Berthelot's identification (Webb & Berthe- lot, 1846-1847)]. 29 TAXA FOUND IN PLUKENET'S HERBARIUM BUT NOT IN HIS WORKS A study of the whole of Plukenet's herbarium revealed that there were 34 herbarium specimens for 22 taxa which, although reported as collected in the Macaronesian area do not appear to have have been described in Plukenet's works. Material which fell under this category is listed below. An entry number is given for each taxon and within each entry the following headings can be found: (1) Taxonomic determination of specimens (coded as Det.:). Endemic taxa are pointed with an asterisk. (2) Location of specimens in Plukenet's herbarium (coded as Herb.:). Labels are given in square brackets. (3) Comments (coded as Com.:). Additional remarks con- cerning the specimens are included in this heading. 98. Det.: * Apollonias barbujana (Cav.) Bornm. Herb.: HS 95: 104; 96: 137 ['Laurus canariensis odorata']; 96: 138 ['An tree strawberry of the Canaries']; 100: 167. 99. Det.: Asparagus cf. capensis L. Herb.: HS 95: 108 ['Asparagus pelroa s. Corruda aculeata ex Insulis Canarinis']. Com.: The label of this specimen refers to Phyt.: t. 78, f. 3 and follows the description found in Aim.: 54 (Asparagus aculeatus, triplice spina surrectus). This species does not occur in the Canary Island flora. It is worth mentioning that in HS 95: 108 there is another specimen which, though poorly preserved, resembles the Canarian endemic A. umbellatus Link. 100. Det.: * Bryonia verrucosa Dryand. Herb. : HS 95: 200. 101. Det.: Calendula arvensis L. Herb.: HS 95: 131 ['Calendula sylv. minima Canariensis']. 102. Det.: Centhranthus calcitrapae (L.) Dufr. Herb.: HS 98: 127 ['Valeriana annua ex Insulis Canarina']. 103. Det.: Chrysanthemum segetum L. Herb.: HS 95: 162 ['Chrysanthemum from I. Canaries']. 104. Det.: Conyza bonariensis (L.) Cronquist. Herb.: HS 95: 193 ['From I. Canaries an major [illeg.]' ]. 105. Det.: * Echium cf. leucophaeum Sprague & Hutch. Herb.: HS 96: 14 ['Echium from I. Canaries'.]. 106. Det.: Erica arborea L. Herb.: HS 100: 26 ['An Erica from the Canaries look in my former collections you'll find its name'], 100: 27 ['An Erica 2a Clus. ex Insula Canarina vid autorum']. 107. Det.: Geranium cf. rotundifolium L. Herb.: HS 96: 53 ['An Geranium fatid. ex Insula Canarina']. 108. Det.: * Gonospermum fruticosum (Buch) Less. Herb.: HS 96: 195 ['Millefol. Tanaceti fol Canariense']. 109. Det.: Hordeum vulgare L. Herb.: HS 105: 41 ['Gramen canarium hirsutum']. 110. Det.: Laurus azorica (Seub.) Franco. Herb.: HS 100: 168. 111. Det.: * Lavandula multifida L. ssp. canariensis (Mill.) Pit. & Proust. Herb. : HS 100: 167. 112. Det.: Mentha spp. Herb.: HS 101: 16 ['Teucrii facie frutice Canariensis floribus ociquis albis non galeatis Bobart. Of this saith he I observe 3. varieties suppose this yr. 1 st . The 2 nd hath longer leaves with ye shape & green ness of Betony and such flowers as this. The 3 d is an uprighter plant more wooly and rounder leav'd, which I thinke is at Hampton Court. But by Mr Bobarts leave these 3 are specifically distinct. Mentha pilulifera Betonicae forma ad odore aromatico. vid Almag. Bot. 247']. Com.: There are six specimens on this page, one of them identified as Mentha cf . piperita L. , the other five apparently of a different species. 113. Det.: Mentha longifolia (L.) Huds. Herb.: HS 96: 187 ['Mentastri spiculi folio longiore candicau- lis species major ex Insula Canarina']. 114. Det.: Mentha cf. spicata L. Herb.: HS 96: 189 ['Mentha affigio inodora ex Insula Mad- era']. 115. Det.: * Pericallis tussilaginis (L'Her.) D. Don. Herb.: HS 95: 128 ['Cacalia Africana floribus Jacobea pur- pureis ex insula Canarina']. 30 J. FRANCISCO-ORTEGA, A. SANTOS-GUERRA AND C.E. JARVIS 116. Del.: Salvia cf. verbenaca L. Herb.: HS 96: 100 ['An Hormino Canariensis']. 117. Del.: Sisymbrium cf. erysimoides Desf. Herb.: HS 96: 18 ['An Eruca Gomerensis']. 118. Del.: * Stachys germanica L. var. canariensis Font Quer & Svent. Herb.: HS 98: 69 ['Stachys Canariensis [crossed] Verbasci folio Canariensis']. 119. Det.: Umbilicus cf. horizontalis (Guss.) DC. Herb.: HS 95: 200 ['Cotyledon s. Umbilicus radici tuberosa minor ex Insul. Canar.']. 120. Herb.: HS 89: 68 ['Filicula Canarina elegans']. Com.: This specimen does not belong to any known species from the Canary Island flora. 121. Herb.: HS 96: 14 ['Elegans Salvia [illeg.] Canariensibus Dicta']. Com.: There is no specimen for this label. 122. Herb.: HS 98: 95 ['An Thymelea from I. Canaries']. Com.: The specimen situated close to to this label does not belong to any species from the Canary Island flora. However there is another specimen on this page belonging to Daphne gnidium L. to which this label could refer. DISCUSSION With almost 125 plant entries, both Plukenet's herbarium and his publications can be regarded as the most important pre-Linnaean account of the Macaronesian flora. The major- ity of species recorded by this herbalist are the earliest known references to the plants of this flora. Plukenet's descriptions of Canarian plants pre-date those of Feuillee (Feuillee, 1724) which has been traditionally considered as the most complete pre-Linnaean work for the Canarian flora (Herrera-Pique, 1987). Although it was published later than Plukenet's work, the approximately 20 species illustrated by this French natu- ralist are also extremely important as they were the first known field drawings of Canarian plants made by any Euro- pean scientist who visited the archipelago (Herrera-Pique, 1987). In this study we have demonstrated that from Plukenet's works and collections, the seventeenth century herbalist clearly had available a considerable amount of information on the Macaronesian flora. However, subsequent taxonomic reviews of the region have made hardly any mention of them. Linnaeus himself referred to only 24 of these phrase-names and in his own copies of Plukenet's publications there are few annotations for the Macaronesian species. Other important works published shortly after Linnaeus (e.g. Linnaeus filius, 1782; Aiton, 1789; L'Heritier, 1785-1805) do not quote any of Plukenet's names despite having had access to his publications, and they were based on the exhaustive plant collections made in the Azores, Canaries and Madeira between 1776 and 1779 by the collector from Kew, Francis Masson (Lemmon, 1968). Only L'Heritier (1788) mentioned Plukenet's polynomial Mentha canariensis frutescens, foliis [. . .]foliorum longiribus pediculis insidenti- bus (entry 73) as a synonym of Bystropogon canariense (L.) L'Her. More recent publications restricted to the Macaronesian flora have followed the same pattern. For instance, there are only two mentions of Plukenet's names in the Flora of the Canary Islands produced by Pitard & Proust (1908) whereas in Lowe's Floras of Madeira (Lowe, 1838, 1857-1872) we have found no reference to any of his polynomials. However, the Canarian naturalist Viera y Clavijo (1866-1869) men- tioned, in his Diccionario de historia natural de las Islas Canarias, twelve of the Plukenet names previously cited as synonyms by Linnaeus. This poor utilization of Plukenet's publications by researchers of the Macaronesian flora may well be due to the fact that his works have no geographical index, and as E. L. Greene reported on the Almagestum '. . . in this kind of book, you are helpless to even begin to search, unless you have some idea of the genus, or a genus, to which it [a plant] may belong . . .' (Greene, 1983). It was only in the middle of the nineteenth century that Webb & Berthelot in their Histoire naturelle des lies Canaries (Webb & Berthelot, 1836-1850) cited 27 of Plukenet's phrase-names in the synonymy of some of the taxa described in their work. Some of these names were not previously treated by Linnaeus (e.g. Ilex perado Aiton ssp. platyphylla (Webb & Berth.) Tutin for entry 12, Chamaecytisus prolif- erus (L. f.) Link for entry 29, Arbutus canariensis Veill. for entry 18). Furthermore, Webb & Berthelot also looked critically at Linnaeus' treatment of Plukenet's Macaronesian names. For instance they found that the polynomial Cytisus Canariensis, microphyllos, angustifolius, prorsus incanis [. . .] Esta Insulanis nuncupatur (entry 30) had been incor- rectly synonymized with Genista canariensis L. by Linnaeus. Further studies will be needed in order to establish the taxonomic identity of earlier phrase-names given as syn- onyms by Plukenet. However, many of them were associated with plant species from regions other than Macaronesia. Among them there are taxa from the New World (e.g. Marggraf, 1648; Hernandez, 1651; Ogilvy, 1671; Plumier, 1693), the Far East (Rheede tot Draakenstein, 1689, 1690) and the Middle East (Rauwolf, 1707). It is very doubtful whether these names have any real taxonomic relationship with those Macaronesian taxa described by Plukenet. Indeed we could identify what appear to be 'good' synonyms for only seven of his descriptions (i.e. entries 14, 37, 61, 66, 78, 96 and 97). Although Plukenet's publications have been regarded as containing one of the most comprehensive reviews of names from the ancient herbalists (Pulteney, 1790) it seems that there were many errors in these synonyms. This was noticed by John Ray, who in one of his letters to Hans Sloane stated '. . . I have gotten a sight of Dr. Plukenet's 'Almagaestum bot' [. . .] As far as I am able to judge, he is often out in his conjectural synonymes . . .' (Henrey, 1975). In contrast, Plukenet's illustrations of Macaronesian plants (a selection of which are shown amongst Figs. 3-15) are remarkable. Although it seems that they were not drawn by Plukenet himself but by various other artists, the most important of them being M. van der Gucht (Henrey, 1975), PRE-LINNAEAN REFERENCES FOR MACARONESIAN FLORA 31 they reveal the skill and observational abilities of Plukenet as a botanist. This is clearly shown in the drawing of Solanum vespertilio Aiton (Fig. 13 and entry 94). This endemic from Tenerife and Gran Canaria is one of the few Solanum species which has flowers with one of the stamens longer than the others and the style curved and elongated (Jaeger & Hepper, 1986). This means that flower buds of this species have a small peak towards their ends. The character is clearly illustrated in Plukenet's drawing, making its identification as S. vespertilio unmistakeable. Most of his references and collections appear to have been based on material brought to Britain by visitors who stayed in Macaronesia. It is well known that a strong trade in orchil, pitch, sugar, wine and cloth was established between the Canary Islands and Britain during the sixteenth and seven- teenth centuries (Morales-Lescano, 1973; Fernandez- Armesto, 1982; Lobo-Cabrera, 1988). This led to the foundation of trading companies such as the 'Canary Com- pany' in 1655 (Morales-Lescano, 1965a). Furthermore, other European visitors visited the islands during this period in order to study their natural history (e.g. T. Sprat from the Royal Society in Tenerife in 1667 (Morales-Lescano, 19656), John Cuningham in La Palma and Hans Sloane in Madeira in the late seventeenth century (Dandy, 1958)). It is therefore likely that many of Plukenet's references which concern the Macaronesian region reflect the trading and scientific links which existed between Britain and the islands during this time. Being in close association with the Royal gardens and with the most important British herbalists, Plukenet could have had easy access to most of the exotic plant material which was introduced into Britain during the second half of the seventeenth century. The collections and works of Leonard Plukenet provide a valuable source of information on early accounts of non- European floras, as already shown for the West Indies (Howard, 1979). However, it is likely that many of his references and specimens came originally from sources which were European in a broad sense. Plukenet's studies in the Macaronesian region provide a good indication of what knowledge was had by European naturalists and herbalists half a century before Linnaeus (1753) published what we now accept as the first valid binomial names for Macaronesian plants. ACKNOWLEDGEMENTS. The authors wish to thank C. Lorenzo- Millana (Ministerio de Education y Ciencia, Spain) and E. Del Rio-Hijas (Consejo Superior de Investigaciones Cientificas, Spain) for the Latin translations from the originals. We are also grateful for the assistance of staff from the British Library (Main Library and Manuscript Collections) and from the libraries of the Royal Botanic Gardens (Kew) and of The Natural History Museum (London). We are also grateful to the Bayerische Staatsbibliothek (Munich) for providing us with a microfilm copy of Tenzel's work. Our gratitude also goes to the Linnean Society of London for permission to study Linnaeus' annotated copy of Plukenet's works and to J. Perera (Universidad de La Laguna) for his help in tracing some of the references. This research was partially supported by a personal grant (JFO) from Ministerio de Education y Ciencia, Spain: Plan Nacional de Formation de Personal Investigador en el Extranjero (grant no. PG88 42044506) and by the financial support of Centre de Investiga- tion y Tecnologia Agrarias de Canarias. 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Descripcion de las Islas Canarias. Santa Cruz de Tenerife. PRE-LINNAEAN REFERENCES FOR MACARONESIAN FLORA 33 Tournefort, J. P. 1694. Elemens de botanique 1. Paris. V allot, A. 1665. Hortus regius. Paris. Viera y Clavijo, J. 1808. La flora de Canarias. Catdlogo razonado de las plantas peculiares del pals. Santa Cruz de Tenerife. - 1866-1869. Dicdonario de historia natural de las Islas Canarias. Las Palmas de Gran Canaria. Webb, P.B. & Berthelot, S. 1836-1850. Phytographia canariensis. In P.B. Webb & S. Berthelot, Histoire naturelle des lies Canaries 3 (2). Paris. - 1842. Phytographia canariensis (Cucurbitaceae-Compositae). In P.B. Webb & S. Berthelot, Histoire naturelle des lies Canaries 3 (2, sect. 2, livr. 62). Paris. 1846-1847. Phytographia canariensis (Campanulaceae- Equisetaceae). In P.B. Webb & S. Berthelot, Histoire naturelle des lies Canaries 3 (2, sect. 3, livr. 92). Paris. SYSTEMATIC INDEX Accepted names for taxonomic determinations are indicated with the symbol #. Achyranthes argentea Lam. 4 # Achyranthes aspera L. 4 Acrostichum marantae L. 38 Acrostichum velleum L. 38 # Adenocarpus foliolosus (Aiton) DC. 31 # Adiantum reniforme L. 40 Aeonium canariense (L.) Webb & Berth. 90 # Aeonium tabulaeforme (Haw.) Webb & Berth. 90 # Aizoon canariense L. 55 # Allium spp. 26 # Apollonias barbujana (Cav.) Bornm. 98 # Arbutus canariensis Veill. 18 # Argyranthemum frutescens (L.) Sch. Bip. ssp. frutescens 20 # Asparagus capensis L. 99 # Asparagus umbellatus Link 99 # Asplenium hemionitis L. 39 Asplenium palmatum Lam. 39 # A triplex glauca L. 19 # Bosea yervamora L. 15 # Bryonia verrucosa Dryand. 100 # Bystropogon canariensis (L.) L'Her. 68, 70,73 # Bystropogon plumosus (L. f.) L'Her. 73, 74 Cacalia kleinia L. 65 # Calendula arvensis L. 101 Callianassa canariensis (L.) Webb & Berth. 32 Campanula canariensis L. 21 # Canarina canariensis (L.) Vatke 21 # Cedronella canariensis (L.) Webb & Berth. 67,69 # Centhranthus calcitrapae (L.) Dufr. 102 # Chamaecytisus proliferus (L. f.) Link ssp. proliferus var. proliferus 29 # Cheilanthes catanensis (Cos.) M. P. Fuchs. 38 Chrysanthemum frutescens L. 20 Chrysanthemum indicum L. 67 # Chrysanthemum segetum L. 103 # Convolvulus canariensis L. 26, 50 # Convolvulus fruticulosus Desr. 27 # Conyza bonariensis (L.) Cronquist 104 # Cystopteris fragilis (L.) Bernh. 42 Cytisus proliferus L. f . 29 Danae androgyna (L.) Webb & Berth. 57 # Daphne gnidium L. 122 # Davallia canariensis (L.) J. E. Sm. 41 Digitalis canariensis L. 32 # Dracaena draco (L.) L. 78 Dracocephalum canariense L. 69 # Echium leucopheum Sprague & Hutch. 35, 105 # Erica arborea L. 106 # Erica scoparia L. ssp. platycodon (Webb & Berth.) Hansen & G. Kunkel 29 # Euphorbia canariensis L. 96 Euphorbia obtusifolia Poir. ssp. regis-jubae (Webb & Berth.) Maire 97 # Euphorbia regis-jubae Webb & Berth. 97 # F/CMS carica L. 37 # Forsskaolea angustifolia Retz. 92 # Galactites tomentosa Moench 22 Gendarussa hyssopifolia (L.) Webb & Berth. 34 Genista canariensis L. 31 # Geranium rotundifolium L. 107 # Gonospermum fruticosum (Buch) Less. 108 # //edera /ie/k L. 15 # Hordeum vulgare L. 109 # Hypericum canariense L. 51 Hypericum floribun dum Aiton 51 # Ilex canariensis Poir. 11 # Ilex per ado Aiton ssp. platyphylla (Webb & Berth. ) Tutin 12 Ilex platyphylla Webb & Berth. 12 # Isoplexis canariensis (L.) Loudon 32, 33 # Jasminum azoricum L. 52, 54 # Juniperus phoenicea L. 28 # Justicia hyssopifolia L. 16, 34 # Kleinia neriifolia Haw. 64, 65 # Laurus azorica (Seub.) Franco 110 Laurus indica L. 59 Lavandula abrotanoides Lam. 62 # Lavandula buchii Webb 62 Lavandula multifida L. 62 # Lavandula multifida L. ssp. canariensis (W. Mill.) Pit. & Proust 111 # Lethariella canariensis (Ach.) Krog 75 Leucophae canariensis (L.) Webb & Berth. 89 # Limonium pectinatum (Aiton) Kuntze 63 # Lotus spp. 90 # Lupinus albus L. 66 # Mammea americana L. 13 # Mentha spp. 112 Mentha canariensis L. 73 # A/em/ia longifolia (L.) Huds. 113 # Mentha piper ita L. 112 # Mentha spicata L. 114 # Mesembryanthemum nodiflorum L. 36 # Myrica faya Aiton 17, 23 # Ocotea foetens (Aiton) Baill. 14 # Origanum vulgare L. 77 Othonna linifolia L. 97 Othonna tenuissima L. 97 # Papaver rhoeas L. 79 Pericallis tussilaginis (L'Her.) D. Don 115 # Periploca laevigata Aiton 8, 10 # Persea indica (L.) Spreng. 59 # Phaseolus vulgaris L. 81 # /%// noWfl L. 93 # Plocama pendula Aiton 82 # Polygonum maritimum L. 83 Pyrethrum frutescens (L.) Gaertn. 20 # Ranunculus cortusifolius Willd. 84 # Rubia fruticosa Aiton ssp. fruticosa 85 # Rumex lunaria L. 1 Ruscus androgynus L. 57 # Sa/wfl sp. 88 Salvia africana L. 49 # Salvia canariensis L. 49 # Salvia verbenaca L. 116 Sarothra gentianoides L. 27 Scutellaria integrifolia L. 92 # Semele androgyna (L.) Kunth 57 Sempervivum canariense L. 90 # Sideritis canariensis L. 89, 95 # Sisymbrium erysimoides Desf. 117 # Solanum vespertilio Aiton 94 # Stachys germanica L. var. canariensis Font Quer&Svent. 118 Statice limonium L. 63 # 7e///ie canariensis (L.) Webb & Berth. 30 # Teucrium heterophyllum L'Her. 86 Trichomanes canariense L. 41 # Umbilicus horizontalis (Guss.) DC. 119 # Usnea articulata (L.) Hoffm. 76 # Viburnum tinus L. ssp. rigidum (Vent.) P. Silva 53 # Visnea mocanera L. f. 92 Webbia floribunda (Aiton) Webb & Berth. 51 BIBLIOGRAPHY ABBREVIATIONS FOUND IN PLUKENET'S WORKS Abbreviations for Botanic Gardens and for publications as they are cited in Plukenet's works are given below. Full identification of these abbreviations can be found in the list of References. Those abbreviations which were not identified are indicated by '[?]'. Plant entry numbers are also given for each abbreviation. 34 J. FRANCISCO-ORTEGA, A. SANTOS-GUERRA AND C.E. JARVIS Anguillarae (Anguillara, 1561) 37 Banisteri Cat. Stirp. Virgin. (Banister, 1693) 10,68 Bellonius (Belon, 1553) 25 Bocc. de PI. Sicil. (Boccone, 1674) 4 Bontii (Bontius, 1658) 56, 94 Breyn. Cent. (Breyne, 1678a) 91 Breyn. Fascicul. Rarior. (Breyne, 1678b) 80 Breyn. Prodr. (Breyne, 1689) 96 C. B. P. (Bauhin, 1623) 1, 20, 25, 28, 29, 30, 33, 37, 45, 47, 63, 65, 75, 76, 78, 82, 84 C. B. Phytopin. (Bauhin, 1596) 1 C. B. Prodr. (Bauhin, 1620) 31 Camerar. H. Medic. (Camerarius, 1588) 66 Cat. Jam. (Sloane, 1696) 10, 15, 38, 39, 86, 97 Cat. PI. ad Parad. Bat. append. (Hermann, 1698) 6 Clus. (Clusius, 1576) 78 Clus. (Clusius, 1601) 78 Clus. exot. (Clusius, 1605) 65 Clus. Hispan. (Clusius, 1576) 28 Clus. Hist. (Clusius, 1601) 25, 28, 76, 84 Clusij (Clusius 1601) 39, 63 Cordi. Histor. (Cordus, 1561) 29 Cordi. in Dioscorid. & Hist. (Cordus, 1561) 37 D. Raius Hist. PI. (Ray, 1686) 39 Dalechamp. Hist. Lugd. (Dalechamps, 1586) 29 Dioscorides tradit. [?] 14 Dioscoridis [?] 37 Dodart. Memoir. (Dodart, 1676) 63 Ferrarif. (Ferrarius, 1633) 59 Florent. Schuyl. Cat. H. Leyd. (Schuyl, 1672) 59 Fr. Cupani in Hort. Catholic. (Cupani, 1696) 25,66 Galenus in libr. de Antidotis (Galenus, 1587) 14 Grislisleii, Viridar. Lusit. (Grisley, 1661) 52 H. Amst. (Commelin, 1689) 78 H. Beaum. (Kiggelaer, 1690) 78, 96 H. Eyst. (Besler, 1613) 66 H. Leyd. (Hermann, 1687) 66 H. M. P. 9 (Rheede tot Draakenstein, 1689) 8 H. M. P. 10 (Rheede tot Draakenstein, 1690) 10 H. Malab. Part 9 (Rheede tot Draakenstein, 1689) 32 H. R. P. (Vallot, 1665) 59 Hernand. apuc Recc. (Hernandez, 1651) 46 Hort. Amst. (Commelin, 1689) 61 Hort. Fames. Aldino (Aldino, 1625) 59 Hort. Malab. Part 9 (Rheede tot Draakestein, 1689) 34 Hort. Malab. Part 10 (Rheede tot Draakestein, 1690) 67 Hort. Regio Hampton (The Royal Garden at Hampton Court Palace, on the Thames in south-west London) 21 J. B. Tom. 1 (Bauhin & Cherler, 1650) 13, 14,30,31,65,75,78 J. B. Tom. 2. (Bauhin & Cherler, 1651) 1, 25, 33,47 Jacobi Sylvij (Manadi & Sylvij, 1598) 14 Johannis Adams in Hort. Comptoniano (John Adams was gardener to the Duke of Beaufort at Badminton, Henry Compton was Bishop of London and his garden was at Fulham Palace in London (see Dandy, 1958) 46 Lib. 2 de Simplicibus (Manadi & Sylvij, 1598) 14 Lob. Icon. (Lobelius, 1581) 1 Lob. Obs. (Lobelius, 1576) 1 Magnol Botan. Monspel. (Magnol, 1676) 47 Marcgrav. (Marggraf, 1648) 13 Mesue (Manadi & Sylvij, 1598) 14 Mexicana Hernand. apud Recc. (Ray, 1688b) 68 Moris. Hist. (Morison, 1680) 7, 66 Nieramberg. de Exotic [?] 87 Nierembergio (Nieremberg, 1635) 13 Nov. Hisp. apud Reccum (Hernandez, 1651) 69 Nov. Hisp. Terent. apud Reccum (Hernan- dez, 1651) 21, 59, 96 Nov. Hispaniae Terentij apud Recc. (Her- nandez, 1651) 65 Ogilv. Americ. (Ogilvy, 1671) 17 P. B. P. (Hermann, 1689) 19, 48, 61, 96 Park. Th. (Parkinson, 1640) 59, 66, 78, 84 Park. Theatr. (Parkinson, 1640) 47 Plinij (Pliny, 1826c) 58, 59 Plinio (Pliny, 1826b) 37 Plinius (Pliny, 1826a) 14 Plumier (Plumier, 1693) 26, 42 Ponae ejusd. Descript. Montis Baldi (Pona, 1601) 1 Prodr. (Bauhin, 1620) 45, 82 Prosp. Alpini de PI. exot. (Alpino, 1627) 50 Raij Hist. PI. (Ray, 1686) 19, 66 Raius Hist. PI. (Ray, 1688a) 47 Rawolf. (Rauwolf, 1707) 28 Rivorum Medicina, Hernand. (Hernandez, 1651)21 Schol. Botan. (Sherard, 1689) 45 Solinus (Solinus, 1958) 14 Turneforti. Elem. Bot. (Tournefort, 1694) 10,49 Turnefort. de opt. Meth. instituend in re Herber epist. ad Sherard. [?] 67 Virginiensium Ogilv. (Ogilvy, 1671) 23 Vossio, Not, in Pompon. Melam [?] 14 Bull. not. Hist. Mus. Lond. (Bot.) 24(1): 35-48 Issued 23 June 1994 Studies on the lichen genus Sticta (Schreber) Ach.: II. Typification of taxa from Swartz's Prodromus of 1788 DAVID J. GALLOWAY Department of Botany, The Natural History Museum, Cromwell Road, London SW75BD SYNOPSIS. Of the 18 lichens described from Jamaica by Swartz in his Prodromus (1788), three taxa are referable to the genus Sticta, viz. Lichen damaecornis, L. laciniatus and L. tomentosus, although Swartz's L. laciniatus is a later homonym of L. laciniatus Hudson (1762) and is illegitimate. Lichen damaecornis and L. tomentosus are typified from authentic Swartz material and detailed descriptions and taxonomic notes are given. Swartz material distributed as L .laciniatus comprises two distinct taxa which are newly described here as Sticta laciniosa and S. swartzii. INTRODUCTION Sticta is a widely distributed lichen genus of some 60 species with a preponderance of taxa found in tropical or subtropical areas, especially the Caribbean, Central America and the tropical parts of South America, and the palaeotropics from Africa and the Indian Ocean Islands to the Pacific. Apart from the cosmopolitan taxa S. fuliginosa (isidiate) and 5. limbata (sorediate), found on all major land areas, and the widespread palaeotropical species 5. sublimbata and 5. wiegelii, species of Sticta tend to have rather restricted distributions with both tropical and temperate regions having well-defined endemic taxa, for example New Zealand (Gallo- way, 1985), East Africa (Swinscow & Krog, 1988), Juan Fernandez and southern South America (Galloway, 1994). Species of Sticta and Lobaria (unlike Pseudocyphellaria) are particularly strongly represented in the neotropics in com- parison with numbers of taxa in cool temperate parts of South America (Galloway & Arvidsson, 1990; Galloway, 1994). This reflects a basic biogeographical distinction between these three important Southern Hemisphere genera with Pseudocyphellaria having pronounced austral affinities (Gal- loway, 1987, 1988o, 19926) while both Sticta and Lobaria appear to be predominantly tropical groups (Galloway & Arvidsson, 1990). Species of Sticta are now recognized as being important nitrogen producers in both tropical and temperate forest ecosystems (Green et al., 1980; Galloway, 1988a, 1992a, 19926, 1994). Nitrogen is fixed by cyanobacte- ria present either as primary photobionts or as internal cephalodia (James & Henssen, 1976). The taxonomy of Sticta is still very confused, especially in tropical regions where speciation in the genus is most marked. A number of early names in the genus, for example Sticta damaecornis, have been widely used in the tropics, when it is now known that several entities are involved. In order to clarify correct use of names in Sticta, the present paper is one in a series attempting to define the limits of taxa described in the late eighteenth century and early nineteenth century. The Swedish botanist Olof Peter Swartz (1760-1818) was a student of Linnaeus's son, Carl Linnaeus, completing his studies in medicine and natural history at the University of Uppsala in 1783. Twenty-two years old, and furnished with ample private means, he was keen to travel to distant parts to study natural history in the tradition of the elder Linnaeus's 'Linnaean apostles' (Stafleu, 1971). Swartz decided on the West Indies as a suitable area for study, following in the footsteps of Sir Hans Sloane, Charles Plumier, Patrick Browne and Nicolaus Joseph Jacquin (Steam, 1980). Choos- ing the island of Jamaica, he embarked from Sweden on 5 August 1783, and landed at Montego Bay in Jamaica on 5 January 1784 after some time botanizing at Boston, Massa- chusetts. During his time in Jamaica he collected widely from the interior of the island and reached the highest summits in the Blue Mountains (Stearn, 1980). On his return home in 1786 he spent some time in London working on the arrange- ment and naming of his West Indian collections with the help of Sir Joseph Banks's herbarium and library and with the assistance of Jonas Dryander, Banks's Swedish librarian. The first results of Swartz's West Indian botanical collections appeared in his book Nova genera et species plantarum seu Prodromus (Swartz, 1788), a slim but nomenclaturally very important work (Stearn, 1980; Nicolson & Jarvis, 1990). Some of the earliest names now recognized in Sticta appear in Swartz's Prodromus where he described 18 new taxa in the collective genus Lichen (see Galloway, 1981, 19886), of which L. damaecornis and L. tomentosus are referable to Sticta as 5. damaecornis (Sw.) Ach. and 5. tomentosa (Sw.) Ach. Subsequently, these taxa and the illegitimate Sticta laciniata (Sw.) Ach., were widely, and often incorrectly, reported in the literature on tropical lichens. In an attempt to clarify the confusion which exists in the literature relating to present distributions of these taxa, they are typified on authentic Swartz material from Jamaica, descriptions are given and bibliographic and taxonomic notes are supplied for each. Original Swartz material distributed as Lichen lacinia- tus Sw. comprises two distinct taxa; one with a green algal photobiont which is newly described here as Sticta laciniosa D.J. Galloway, and one with a cyanobacterial photobiont, which is newly described as S. swartzii D.J. Galloway. Authentic Swartz material from Jamaica and reported in the Prodromus was studied from the following herbaria: BM, BM-ACH, G, GB, L, PC-MONTAGNE, SBT, UPS, UPS- ACH, UPS-THUNBERG. More recent material from The Natural History Museum, 1994 36 D.J. GALLOWAY Jamaica and from neotropical and palaeotropical regions was studied from BM collections. Scanning electron microscopy was performed on air-dried material coated with gold-palladium on aluminium stubs, using an Hitachi S-800 microscope. Thin-layer chromatogra- phy of acetone extracts was carried out according to standard- ized methods (Culberson, 1972; White & James, 1985). SYSTEMATIC TREATMENT 1. Sticta damaecornis Ach., Meth. Lich.: 276 (1803). Lichen damaecornis Sw., Prodr.: 146 (1788). Platisma corn- udamae Hoffm., Descr. Adumbr. pi. lich. 1: 103, tab. XXIV, figs 1-7 (1790). Parmelia damaecornis (Sw.) Eschw. in Martius, Fl. Bras. 1: 213 (1833). Lobaria damaecornis (Sw.) Trevisan, Lichenotheca veneta exs. 75 (1869). Type: Jamaica, sine loco, Swartz (SET- lectotype selected here). Figs 1,2. Sticta damaecornis f. elongato-laciniata Tuck, in Stizenb., Flora, Jena 81: 121 (1895). [Wright, Lichenes Cubae No. 59]; nom. nud. Thallus 4-8(-10) cm diam., possibly larger, irregularly spreading, loosely attached, margins free, ascending. Lobes rather narrow, (1.5-)2-4(-7) mm wide, regularly dichotomously branching, divergent at apices, discrete, con- Fig. 1 Lichen damaecornis Sw. Lectotype (SBT). Scale in mm. STUDIES ON LICHEN GENUS STICTA 37 Fig. 2 Hoffmann's 1794 illustration of Platisma cornudamae. Scale in mm. 38 D.J. GALLOWAY tiguous to somewhat entangled centrally, plane to distinctly convex, often markedly canaliculate below, apices blunt, rounded or shallowly furcate. Margins entire, conspicuously thickened and ridged below, sinuses smoothly rounded. Upper surface olivaceous, suffused brown or red-brown at apices when wet, pale green-grey to olivaceous or buff, suffused brownish when dry, matt, somewhat coriaceous, minutely punctate-impressed to irregularly dimpled in parts to uniformly smooth, pliable, flabby when wet, rather brittle when dry, minutely maculate (x 10 lens), maculae visible as a faint, irregular white marbling of upper surface. Isidia, phyllidia, pseudocyphellae, and soredia absent, continuous under SEM or with occasional, scattered pores (Fig. 3 A). Medulla white, K-. Lower surface white or pale tan to dark brown or brown-black, smooth to irregularly wrinkled-ridged, glabrous or glabrous only near apices to tomentose from apices to centre, tomentum sparse to moderate, pale buff to brown-black, silky to felted-entangled. Cyphellae common, scattered, conspicuous, rounded, regu- lar, rather small, 0.3(-0.5) mm diam., margins sharply defined, conspicuously raised above lower cortex and tomen- tum, basal membrane white (Fig. 4 A). Thallus 120-200(-240) (Am thick. Upper cortex 20-30 |xm thick, out- ermost 8-10 |xm pale yellow-brown, of small, closely com- pacted cells 2-5 jjim diam., inner zone colourless, of larger, thin- walled, round to irregular cells 6-8.5 |xm diam. Photo- biont layer dense, continuous, 25-35 |i,m thick, photobiont green, cells rounded, densely packed, to 4 |jim diam. Medulla 55-145 |xm thick, of loosely interwoven colourless hyphae, 4-5 (xm diam. Lower cortex 20-30 |xm thick, closely similar in structure to upper cortex, outermost layer of cells pale red-brown. Tomental hairs pale red-brown to yellow-brown, to 5.5 jjun diam., and 60-170 (jun long (Fig. 5A). Apothecia common, marginal or submarginal, rounded, 0.5-1.5 mm diam., subpedicellate, constricted at base, pedicel 0.2-0.6 mm thick, disc matt, epruinose, shallowly concave at first, soon becoming plane to subconvex, disc pale to dark red-brown or blackened, margins persistent, roughened, paler than disc, exciple below disc pale buff to dark brownish, roughened to areolate-scabrid, sometimes with silky whitish to red-brown tomentum. Exciple 112-190 (Jim thick, pale to dark red-brown, of parallel, radiat- ing, round to oblong, thick-walled cells 8.5-15 |xm diam. Hypothecium 55-90 ^m thick dark greenish- or olive-brown, turning olive-black in K and suffusing a distinctive yellow pigment into thecium and surrounding mounting medium. Thecium 60-70 |xm tall, pale yellow-brown, becoming pale yellowish to pale pinkish in K; epithecium 14-20 jxm thick, dark brown or red-brown, intensely granular, pale red-brown in K; paraphyses simple, 2.5-3 (xm thick, apices swollen. Asci cylindrical 70-82(-88) x 14-17(-20) |xm. Ascospores ellip- soid with pointed ends, pale olive-brown to colourless, 1-3-septate, 25-30.5 x 5.5-8.5 jim. CHEMISTRY. Nil. DISTRIBUTION. Jamaica, Cuba (Imshaug, 1957). Palaeotro- pical and South American material referred to this name (e.g. Nylander, 1860; Stizenberger, 1895; Zahlbruckner, 1925) belong in other taxa, for example Sticta dichotoma for narrow-lobed species from Indian Ocean islands, and 5. ainoae (Galloway & Pickering, 1990) for collections from temperate, southern South America. TYPIFICATION. Original (syntype) Swartz material of Lichen damaecornis is found in the following herbaria: BM-ACH (Galloway, 1988ft), BM, G, GB, H-ACH (Vainio, 1915), PC-MONTAGNE, SET, UPS- THUNBERG [sheet 26188]. Material from Swartz's herbarium (SET sheet 40, Fig. 1) is selected as lectotype. This agrees with the original description and the early fine coloured illustration (Hoffmann, 1794: tab. 24, fig. 7) showing the morphological characters which cor- rectly define this West Indian species (Fig. 2). OBSERVATIONS. Early accounts of Sticta damaecornis (Hoff- mann, 1794; Acharius, 1799, 1803, 1810, 1814) follow Swartz (1788, 1811) in giving the West Indies as habitat for the species, and Acharius (1814) included two varieties, wiegelii and canariensis, which are today referred to the species Sticta wiegelii (Acharius) Vainio and S. canariensis (Florke) Delise. The former occurs widely in both tropical and temperate habitats (Galloway, 1994), the latter in Macaronesia, Spain, Portugal, France, Great Britain, Ireland and Norway (Purvis et al., 1992). Hooker (1822) recorded it from the neotropics, while Delise (1825) cited it from America, Jamaica and Reunion and described a similar though distinct species, 5. dichotoma Delise, from Mauritius and Reunion. Fee (1837) recognized 5. damaecornis as being distinct from Delise's 5. dichotoma while in contrast, Nylander (1860), who recorded 5. damaecornis as a widespread tropical species, recognized several varieties viz., var. sinuosa, var. macrophylla, var. caperata and var. dichotoma. Tuckerman (1882) like Nylander, also had a wide and obviously heterogeneous concept of the species, including in it Swartz's Lichen lacinia- tus. A more restricted distribution for S. damaecornis is accepted here (see above) with other tropical and temperate taxa being referred to other taxa (see Galloway & Pickering, 1990). Sticta damaecornis is characterized by rather narrow, regularly dichotmously branching lobes which are diver- gent at the apices, noticeably thickened-ridged at the margins below and commonly distinctly canaliculate below. It has a white medulla; a green photobiont; sparse to moderate tomentum on the lower surface which may be pale buff to brown-black; conspicuous, scattered, small cyphellae with sharply defined margins projecting above the tomentum; apothecia are marginal or submarginal, the disc red-brown to black, the exciple roughened to areolate-scabrid and some- times whitish tomentose. SPECIMENS EXAMINED. Jamaica: sine loco, Mr Wiles (BM); Ibid., Hart, June 1886 (BM); Mt Diablo, H.N. Ridley (BM); steep ridge on flanks of Blue Mountains in headwaters of Mabess River, 1460 m, 16 December 1988, P.J.Bellingham 1/13: 863600 (BM) [epiphytic at c. 1 m on stem of Smilax balbisiana under tall forest canopy]; Grand Ridge of the Blue Mountains E. of John Crow Peak, 1600 m, 8 January 1989, P.J.Bellingham 1/13: 856600 (BM) [on a fallen rotten branch Mull Ridge forest]; Grand Ridge of the Blue Mountains between Morce's Gap and John Crow Peak, 1600 m, 10 February 1989, P.J.Bellingham 1/13: s.n. (BM) [from the trunk of Haenianthus incrassatus at 2 m height in montane rainforest]; immediately N. of the Grand Ridge of the Blue Mountains between John Crow Peak and Morce's Gap, 1580 m, 23 March 1989, P.J.Bellingham 1/13: 856601 (BM) [epi- phytic at 1.5 m on trunk of Eugenia virgultosa in montane rainforest]; steep ridge flanks at headwaters of Mabess River, NW of Belle Vue Peak on the Grand Ridge of the Blue STUDIES ON LICHEN GENUS STICTA 39 Fig. 3 SEM of upper cortex. A. S. damaecornis (SET). B. 5. laciniosa (BM). C. 5. swartzii (BM). D. 5. tomentosa (SET). All x 2000. Mountains, 1710 m, 13 June 1990, P.J.Bellmgham 1/13: 867597 (BM) [epiphytic at 0.3 m on trunk of Clethra occiden- talis in montane rainforest]; steep ridge flanks at headwaters of Mabess River N. of the Grand Ridge of the Blue Moun- tains between Morce's Gap and John Crow Peak, 1440 m, 23 August 1990, P.J.Bellmgham 1/13: 857602 (BM) [on the stem of a large Marcgravia brownei at 0.5 m under tall montane rainforest on steep, bluffed slopes]; Portland, near Hardwar Gap, near the Portland-St Andrew Line, 17-27 December 1968, W.L. & C.F. Culberson 13,299 [A. Vezda, Lich.Sel- 40 D.J. GALLOWAY Fig. 4 SEM of cyphellae. A. 5. damaecornis (SET) x 150. B. 5. laclniosa (BM) x 250. C. 5. swartzii (BM) x 250. D. 5. tomentosa (SET) x 150. .Exs. 863] (BM); Portland, Abraham's Ridge, 2000-3000 ft, 17 December 1973, B.D. Morley & C. Whitefoord 588 (BM). Cuba: sine loco, Wright 59, 60, 61 [Lichenes Cubae] (BM); Sierra Mae stra, cerca Pico Bayamesa, S. del poblado Pino del Agua, 1440 m, 1 December 1978, T. Pocs 9067 (BM); Sierra Maestra, Estribo de Turquino, 1600-1700 m, 20 April 1979, T. Pocs 9092 (BM); Sierra Maestra, 1300 m, 20 April 1979, T. Pocs 9087 (BM); Sierra de la Gran Piedra, Pico STUDIES ON LICHEN GENUS STICTA 41 Fig. 5 SEM of tomental hairs. A. S. damaecornis (SET) x 2000. B. S. laciniosa (BM) x 2000. C. S. swartzii (BM) x 1500. D. S. tomentosa (SET) x 2000. Mogota, 900-1000 m, 26 May 1979, T. Pocs 9123 [A. Vezda, Lich.Sel.Exs. 1680] (BM). 2. Sticta laciniosa D.J. Galloway, sp. nov. Thallus viridis vel olivaceous foliaceus, laciniosus 5-8(-15) cm latus, lacinii irregulariter divisa subdichotomae vel trunca- tae, (2-)5-15(-30) mm latae, margis integerrimis, supra lae- vigatae non faveolatae; medulla niveis vel dilute stramineis, 42 K + rubra; subtus dense tomentosus, cyphellis numerosis profunde excavatis; apothecia 0.5-3(-6) mm lata, marginalia et aliquando supra lacinias, excipulo scabrido; sporae 8: nae, dilute olivaceus, 1-3-septatae, (22-)25-33(-36) x 5.5-8.5 u,m. Typus: Jamaica, Parish of Portland, Grand Ridge of the Blue Mountains between John Crow Peak and Morce's Gap, 1805'N 7639'W, c. 1610 m, on the trunk of a Lyonia octandra (Sw.) Griseb., (Ericaceae) at 0.5 m height in montane rainforest, 2 April 1989, P.J. Bellingham (BM- holotype). Fig. 6. Lichen laciniatus Sw., Prodr.: 147 (1788) nom. illegit. (Art. 64.1) [Note 1]. Platisma laciniatum (Sw.) Hoffm., Descript. Adumbr. pi. lich. 3: 14 (1801). nomen sed non planta. Sticta laciniata (Sw.) Ach., Meth. Lich.: 279 (1803). Lobaria lacini- ata (Sw.) Trevisan, Lichenotheca veneta exs. 75 (1869). [Note 2]. Type: Jamaica, sine loco, Swartz (SBT-lectotype selected here). NOTE 1. Sticta laciniata Ach. Lichen laciniatus (Swartz, 1788) on which Acharius's Sticta laciniata is based is a later homonym of Lichen laciniatus Hudson (Hudson, 1762: 449) and is accordingly illegitimate (Art. 64.1). Material of Lichen laciniatus in Swartz's her- barium (SET) comprises two taxa, a green photobiont species with entire margins and a K+ red medullary reaction, which is here described as Sticta laciniosa, and a cyanobacterial photobiont species, with delicately phyllidiate margins which is described below as S. swartzii. Material of this latter taxon was discussed and figured by Hoffmann (1801) as Platysma laciniata (Sw.) Hoffm., based on the illegitimate L. laciniatus Sw. NOTE 2. Lobaria laciniata (Sw.) Trevisan Hudson's Lichen laciniatus (Hudson, 1762: 449) is an earlier, D.J. GALLOWAY but largely forgotten, name for Scopoli's Lichen amplissimus (Scopoli, 1772: 386), the basionym for the well-known lichen Lobaria amplissima (Scop.) Forssell, and is cited as a syn- onym of Lobaria amplissima in several treatments (e.g. Crombie, 1894; Zahlbruckner, 1925). Vainio (1899) recog- nized this when he made the combination Lobaria laciniata (Hudson) Vainio, but failed to recognize that his new combi- nation was a later homonym of Lobaria laciniata (Sw.) Trevisan (Trevisan, 1869) and therefore illegitimate. Thus, Hudson's Lichen laciniatus becomes unavailable for use in Lobaria and does not take precedence over Lobaria amplis- sima. Thallus irregularly spreading, 5-8(-15) cm diam., loosely to closely attached from margins to centre. Lobes broadly laciniate, subdichotomously to irregularly branched, branches discrete and somewhat truncate at margins, becoming subimbricate centrally (2-)5-15(-30) mm wide, thick, coriaceous. Margins entire, unevenly sinuate or truncate, slightly thickened below, occasionally to com- monly furnished with projecting, short black tufts of tomen- tum. Upper surface lettuce green to olive green, occasionally suffused brownish at margins when wet, pale olivaceous or pale glaucous-greyish or yellowish or brownish in parts when dry, mainly plane or subconvex to minutely, irregularly and shallowly pitted or wrinkled, not faveolate or punctate- impressed, matt, without isidia, maculae, phyllidia, pseudocyphellae or soredia, continuous under SEM, rarely with occasional, scattered pores (Fig. 3B). Medulla whitish to pale yellowish, K+ red. Lower surface smooth or minutely wrinkled especially at margins, pale brown at margins, black centrally or black and shining from margins to centre in older lobes, glabrous in a narrow, marginal zone, uniformly densely tomentose from margins to centre, except for young lobe tips, tomentum dark brown to black, thick, entangled, shaggy or woolly. Cyphellae common, scattered, round or Fig. 6 Sticta laciniosa. Holotype (BM). Scale in mm. STUDIES ON LICHEN GENUS ST1CTA 43 subirregular, 0.1-0.5(-1.2) mm diam., deeply excavate, often sunk in dark tomentum, margins thin, sharply defined (Fig. 4B), concolorous with lower cortex, pit membrane yellowish to pale ochre. Thallus 200-450(-550) jxm thick. Upper cortex 40-55 (Jirn thick, colourless, of round to irregular isodia- metric cells, 2.5-8.5 |xm diam. Photobiont layer 40-55 |xm thick, photobiont green, cells rounded, 3.5-5.5 Jim diam. Medulla 150-300 |xm thick, colourless in upper parts, pale red-brown near lower cortex, hyphae loosely interwoven to 5.5 n-m diam. Lower cortex 40-65 jxm thick, dark red-brown, cells round to irregular, thick-walled, 2.5-11 |xm diam. Tomental hairs 5-8.5 |xm diam., dark red-brown to 180 |xm long, in clustered fascicles (Fig. 5B). Apothecia prominent, mainly marginal and submarginal, occasionally laminal, 0.5-3(-6) mm diam., subpedicellate, round to subirregular, concave at first becoming plane or subconvex at maturity, disc orange-brown to dark red-brown, rarely blackened, glossy especially when young, epruinose, smooth to matt and minutely roughened-papillate at matu- rity. Proper exciple swollen, conspicuous, persistent, obscuring disc when young, slightly darker than disc, con- spicuously verrucose-areolate, margins slightly raised above surface of disc, without projecting marginal hairs. Exciple 150-230 (jtm thick, pale red-brown in outer parts, colour- less internally, of parallel, radiating, round to irregular thick-walled cells 8-22 (Jim diam. Hypothecium 50-65 |xm thick, densely interwoven, olive brownish to red-brown, unchanged in K. Thecium 160-200 u.m tall, pale yellow- brown to dark brown; epithecium 14-20 jxm thick, dark brownish to red-brown, unchanged in K; paraphyses simple, 2-3 (Jim thick, apices swollen to 5 (xm diam. Asci cylindrical to clavate-cylindrical (80-)88-106 x 16-19.5 |xm. Ascospores elongate-ellipsoid, apices pointed, pale olive-brown, 1-3- septate, (22-)25-33(-36) x 5.5-8.5 |xm. Pycnidia common, Fig. 7 Lichen laciniatus Sw. Lectotype, right-hand specimen (SET); left-hand specimen is S.swartzii. Scale in mm. 44 D.J. GALLOWAY scattered, often crowded, ostiole punctate, 0.1 mm diam., dark brown-black, often with noticeably swollen margin concolorous with thallus. CHEMISTRY. Medulla K+ red: containing a complex mixture of terpenoids, pigments and other lichen substances sepa- rated by TLC. The presence of acetone-soluble secondary compounds is extremely unusual in species of Sticta, although gyrophoric acid, congyrophoric acid and an unidentified, fast-running compound (Rf class 7) are known from the Asian species 5. nylanderiana Zahlbr., S. platyphylloides Nyl. (lacking gyrophoric acid) and S. praetextata (Rasanen) Awasthi (Joshi & Awasthi, 1982; Chen, 1993). The above chemical pattern in S. laciniosa is presently under investiga- tion. DISTRIBUTION. Jamaica (all records seen except one); also in Colombia (one nineteenth century collection only, no recently collected material was seen). OBSERVATIONS. Original material of Lichen laciniatus Sw. is found in the following herbaria: H-ACH (Vainio, 1915), SBT, UPS-ACH [S.L. 232], UPS, UPS-THUNBERG (sheet 26193 pr.p.). Material from Swartz's herbarium in Stockholm (SBT sheet 38, right-hand specimen, Fig. 7) is selected as lectotype since it accords with the original description, the illustration published by Swartz (1811: pi. 7) and with the most recent correct usages of the name (Malme, 1899; Vainio, 1915) which refer to the characteristic K-f red reaction of the medulla. As is mentioned above, the name Sticta laciniata (Sw.) Ach. is illegitimate and cannot now be used for this characteristic species which is accordingly here described as S. laciniosa. The left-hand specimen in SBT sheet 38 is a different species of Sticta having a cyanobacterial photobiont, and delicate coralloid, marginal isidia. This taxon was illustrated in Hoffmann (1801: tab. LXV, 3) and material of it is present also in GB as Lichen laciniatus (Arvidsson, 1989). This taxon is described below as 5. swartzii. Sticta laciniosa is characterized by laciniate, somewhat truncate lobes rather variable in width with entire margins and having a green photobiont, a mainly smooth upper surface which is not faveolate or punctate impressed, a white to very pale yellowish medulla (K + red), prominent, mar- ginal and laminal ascomata, a thickly tomentose lower sur- face, the brown-black tomentum often projecting beyond the lobe margins, and scattered, deeply excavate cyphellae sunk in the tomentum and having sharply defined, thin margins and a pigmented basal membrane. SPECIMENS EXAMINED. Jamaica: sine loco, Purdie (BM); Ibid., Mr Wiles (BM); Ibid., June 1886, Hart (BM); immedi- ately N. of the Grand Ridge of the Blue Mountains between Morce's Gap and John Crow Peak, on steep slopes at the head of the Mabess River catchment, 1580 m, 14 January 1989, P.J.Bellingham 1/13: 856601 (BM) [common over a small damp, shaded rock face under montane rainforest]; Grand Ridge of the Blue Mountains between John Crow Peak and Morce's Gap, 1600 m, 3 February 1989, P.J.Bel- lingham 1/13: 855600 (BM) [on trunk of Hedyosmum arbore- scens at 1.5 m height, under predominantly Clethra occidentalis canopy]; Grand Ridge of the Blue Mountains between John Crow Peak and Morce's Gap, 1600 m, 10 February 1989, P.J.Bellingham 1/13: s.n. (BM) [from trunk of Haenianthus incrassatus at 1 m height, in montane rainfor- est; from trunk of Hedyosmum arborescens at 2 m height, in montane rainforest]; Grand Ridge of the Blue Mountains between John Crow Peak and Morce's Gap, 1610 m, 2 April 1989, P.J.Bellingham 1/13: 854602 (BM) [on trunk of Lyonia octandra at 0.5 m height in montane rainforest]; immediately S. of the summit of Blue Mountain Peak, 2240 m, 4 Septem- ber 1990, P.J.Bellingham 1/18: 945549 (BM) [on trunk of Vaccinium meridionale at 1 m height in elfin forest. Colom- bia: [as N. Granada] sine loco, Mrs Blagbourne (BM). 3. Sticta swartzii D.J. Galloway, sp. nov. Thallus cinereus foliaceus, laciniosus, 4-7. 5 (-10) cm latus; lacinii irregulariter divisa, 2-5(-10) mm latae, margis isidiatis vel phyllidiatis vel ciliatis; supra nitida, laevigatae vel faveola- tae; medulla niveis K-; photobion Nostocaceis; subtus tomentosus, margine glabrae, cyphellae profunde excavatae; apothecia 0.5-1.0(-1.5) mm lata, marginalia et aliquando supra lacinias, excipulo pallido, minute scabrido; sporae 8: nae, incolores, 1-3-septatae, ellipsoideae, apices acutae, (28-)33-36 (-42) x 8.5-12(-14) jjun. Typus: Jamaica, Parish of St Andrew, Grand Ridge of the Blue Mountains, west of the summit of St John Peak, 1805'N 7639'W, c. 1910 m, epiphytic at 0.5 m on the trunk of Eugenia alpina (Sw.) Willd. (Myrtaceae) in upper montane rainforest, 29 April 1990, P.J. Bellingham (BM-holotype). Fig. 8. Thallus 4-7.5(-10) cm diam., irregularly spreading or clus- tered in partial rosettes, loosely attached centrally, margins free. Lobes irregularly laciniate, 2-5(-10) mm wide, subdi- chotomously to irregularly branched, free, discrete at margins, entangled- imbricate centrally, rather thin and papery, fragile. Margins slightly thickened and delicately ridged below, entire in parts and then with prominent whitish to black or brown projecting cilia, 0.2-0.5 mm long, to ragged, lacerate-isidiate-phyllidiate. Upper surface dark slate blue or blue-black when wet, pale to dark grey, here and there suffused red-brown or brown when dry, mainly plane or subconvex, matt or shining, smooth in places or irregularly shallowly ridged, occasionally dimpled to regularly punctate-impressed towards margins, isidiate, maculate, phyllidiate, without soredia or pseudocyphellae, continu- ous under SEM (Fig. 3C). Maculae minute, white, (use x 10 lens), with scattered larger photobiont-free areas appearing as irregular pale buff to whitish blotches. Isidia marginal, 0.5-2 mm tall, terete, fingerlike to coralloid, becoming flattened-phyllidiate. Phyllidia marginal, 0.5-2 mm tall, con- stricted at base, dorsiventral, lanceolate at first to ragged- subcoralloid, best developed in older parts of thallus. Medulla white, K-. Lower surface minutely and irregularly wrinkled at margins, ridged to faveclate centrally, pale whitish or greyish at margins to buff or brown centrally, tomentose, tomentum rather variable, from thin and arachnoid to thick and woolly, often well-developed centrally with margins glabrous, or continuous from margins to centre, pale buff to dark brown. Cyphellae scattered, round, rarely elongate, 0.1-0.5(-1.00) mm diam., deeply excavate, margins very thin, sharply defined, concolorous with lower surface, basal membrane white or creamish, not pigmented (Fig. 4C). Thallus 55-135(-170) |xm thick. Upper cortex 20-30(-35) (Jim thick, colourless, of 3-4 rows of round to irregular, thick-walled cells, 5.5-16 |xm diam., cells close to STUDIES ON LICHEN GENUS STICTA 45 iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiifiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii Fig. 8 Sticta swartzil. Holotype (BM). Scale in mm. photobiont layer much larger than cells of outermost layer. Photobiont layer 20-45 jxm thick, dense, continuous, photo- biont INostoc, cells rounded, 5.5-9 fjun diam., clustered in packets. Medulla 35-70 (xm thick, almost lacking in young lobes, hyphae colourless, loosely interwoven, 3-5 u,m diam. Lower cortex 14-25 |xm thick, colourless, 1-2 rows of round to irregular, thick-walled cells 5.5-22 JJLITI diam. Tomental hairs 5.5-8.5 |xm diam., colourless, to 170 u,m long, single or in fascicles (Fig. 5C). Apothecia rather rare, marginal or submarginal, 0.5-1.0(-1.5) mm diam., subpedicellate, constricted at base, round, very shallowly concave at first soon becoming plane, disc red-brown to dark brown, epruinose, matt, slightly roughened. Proper exciple pale pinkish brown, markedly paler than disc, translucent when wet, minutely corrugate- scabrid, without projecting marginal hairs. Exciple 110-225 u,m thick, pale red-brown in outermost 15-20 u,m, remainder colourless, of parallel, radiating, round to irregu- lar, thick- walled cells, 11-28 |xm diam., largest diameter cells towards hypothecium. Hypothecium 55-115 u,m thick, opaque, upper 20-35 |xm red-brown, paler in K, remainder colourless. Thecium 135-170 (xm tall, colourless; epithecium 10-17 |xm thick, red-brown, paler in K, contiguous with hypothecium at margins of fruit; paraphyses simple, 2-3 (Jim thick, swollen to 5 u.m at apices. Asci clavate-cylindrical 70-110 x 16-25 |xm. Ascospores elongate-ellipsoid, apices pointed, colourless, 1-3-septate, (28-)30-36(-42) x 8.5-12 (-14) (Jim. Pycnidia not seen. CHEMISTRY. TLC nil. DISTRIBUTION. Jamaica. OBSERVATIONS. Original Swartz material from Jamaica hav- ing a cyanobacterial photobiont, delicate marginal coralloid isidia and a K- medulla and labelled Lichen laciniatus is found in the following herbaria: GB, UPS-THUNBERG (sheet 26193 pr.p.). This taxon was also illustrated in Hoff- mann (1801: tab. LXV, 3). As indicated above (see under discussion of 5. laciniosa) this is a good independent taxon which is here described as 5. swartzii. Sticta swartzii is characterized by rather narrow, irregularly laciniate, thin, papery lobes with coralloid isidiate to phyllidi- ate margins and often fine, projecting cilia. It has a shining upper surface which is irregularly punctate-impressed; a white medulla which is K-; occasional, small, marginal or submarginal apothecia with prominent pale, glabrous mar- gins; and a variably tomentose lower surface with scattered, round, deeply excavate cyphellae with a white or creamish basal membrane. SPECIMENS EXAMINED. Jamaica: sine loco, Swartz (GB, UPS-THUNBERG 26193 pr.p.); headwaters catchment of the Mabess River, N. of the Grand Ridge of the Blue Mountains, Parish of Portland, c. 1480 m, 1 May 1989, P.J.Bellingham 1/13: 858601 (BM) [Occasional on a shaded rock face (shale) on a steep ridge under montane rainforest] ; Grand Ridge of the Blue Mountains W. of the summit of Sir John Peak, Parish of St Andrew, c. 1910 m, 29 April 1990, P.J. Bellingham 1/13: 877603 (BM) [On the trunk of Cyrilla racemiflora in upper montane rainforest]; Grand Ridge of the Blue Mountains immediately W. of Belle Vue Peak, Parish of St Andrew, c. 1740 m, 12 May 1990, P.J.Bellingham 1/13: 867597 (BM) [Epiphytic at 1 m on the trunk of Cyathea pubescens in montane rainforest]; NE flanks of Sir John Peak, at a small headwater gully of the Spanish River, Parish of Portland, c. 1840 m, 9 September 1990, P.J.Bellingham 1/13: 88160 (BM) [Epiphytic at 1 m height on the trunk of a 46 D.J. GALLOWAY Cyathea pubescens in deep shade at the head of a moist gully in montane rainforest]; steep ridge flanks at headwaters of the Green River, W. of High Peak, Parish of St Thomas, c. 1780 m, 18 May 1991, P.J.Bdlingham 1/13: 885594 (BM) [Epiphytic at 0.5 m height on the trunk of Podocarpus urbanii in tall montane rainforest]. 4. Sticta tomentosa (Sw.) Ach., Meth. Lich.: 279 (1803). Lichen tomentosus Sw., Prodr.: 147 (1788). Lobaria tomentosa (Sw.) Rauschel, Nomendat. Bot. ed 3: 330 (1797). Stictina tomentosa (Sw.) Nyl., Syn. meth. lich. 1(2): 343 (1860). Dystictina tomentosa (Sw.) Clem., Gen. fung.: 175 (1909). Type: Jamaica, sine loco, Swartz (SBT- lectotype selected here). Fig. 9. Sticta bicolor Taylor in Lond. J.Bot.6: 183 (1847). Type: Brazil, Organ Mountains, [near summit, March 1841], Gardner 1001 (BM- lectotype selected here). Thallus 10-50(-85) mm diam., orbicular, rosette-forming, loosely attached centrally, margins free. Lobes rather broad, rounded, 5-10(-20) mm diam., discrete at margins or shallowly imbricate, shallowly or occasionally deeply incised, Fig. 9 Lichen tomentosus Sw. Lectotype (SET). Scale in mm. STUDIES ON LICHEN GENUS STICTA 47 rarely from margins to centre. Margins entire, not thickened below, wavy, slightly crisped and subascendent above, occa- sionally to commonly with minute, silky, white, glistening, projecting tufts of tomentum. Upper surface dark blue-black or glaucous blue-grey when wet, pale blue-grey when dry, smooth, undulate, occasionally but erratically punctate- impressed, matt or rarely glossy in parts, never velvety- pilose, tomentose or scabrid, rather thin and papery in texture, brittle when dry, flabby, pliable when wet, maculate, without isidia, pseudocyphellae or soredia, continuous under SEM or with occasional scattered pores (Fig. 3D). Maculae white, minute, scattered (x 10 lens). Medulla white, K-. Lower surface white at margins, pale tan to brownish centrally, glabrous in a wide marginal zone, matt, minutely wrinkled, tomentum white, rarely pale brownish centrally, silky, sparse to densely felted. Cyphellae common, scat- tered, round to subirregular, 0.1-0.8(-1.5) mm diam., mar- gins very narrow, sharply defined, rising abruptly and vertically from lower surface (Fig. 4D), central cavity white, deeply concave. Thallus 140-225 |xm thick. Upper cortex 14-20 (Jim thick, colourless, of two layers of thick-walled cells, wall 2.5-3 |xm thick, uppermost layer of smaller cells 2.5-5 (Jim diam., inner cells larger, 8.5-12 (Jim diam. Photo- biont layer continuous, 40-55 |xm thick, photobiont cyano- bacterial INostoc, cells in clusters in a colourless gelatinous matrix, cells 3-5.5 |xm diam. Medulla 70-130 fjim thick, of loosely woven, colourless hyphae to 4 jim diam. Lower cortex a single layer of thick-walled, rectangular, colourless cells, 14-20 u,m tall and 8-11 (Jim thick, wall to 3 |xm thick. Tomental hairs colourless, single or in clusters, to 4 |xm diam., 35-135 u,m long (Fig. 5D). Apothecia common, richly developed and often clustered at margins, rare or absent centrally, rounded, sessile, con- stricted at base to very shortly pedicellate, insertion of disc showing a marked concavity on lower surface, 0.1-1.5(-2) mm diam., disc plane to subconvex, matt, pale to dark red-brown when dry, epruinose, pale brown, opaque when wet. Proper exciple persistent when dry, excluded when wet, white to pale buff or creamish, smooth to minutely crenulate with occasional projecting silky white hairs at margins of disc, especially noticeable in young fruits. Exciple 55-125 |xm thick, outermost 30 |xm dilute yellow-brown, remainder colourless, of round to irregular, isodiametric cells 8-22 |xm diam. Hypothecium 40-55 (Jim thick, densely interwoven, upper 22-28 u,m pale red-brown, remainder colourless, unchanged in K. Thecium 80-90 (Jtm tall, colour- less; epithecium 5-9(-13) |xm thick, pale olive-brown to red- brown, unchanged in K; paraphyses distinctly septate, constricted at septa and appearing long-moniliform, 3.5-8 |xm diam., swollen and tinged olive-brown at apices. Asci cylindrical, (72-)80-92 x 11-17 |jun. Ascospores colour- less, long-ellipsoid, apices pointed, straight or curved, 3-septate, 27.5-33.5(- 36) x 5.5-8.5 jxm. CHEMISTRY. Nil. DISTRIBUTION. Neotropics and palaeotropics. Jamaica (Imshaug, 1957), Mexico (Imshaug, 1956ft), Panama (Imshaug 1956a), Colombia, Venezuela, Peru, Brazil (Malme, 1934). East Africa including Kenya, Tanzania, Uganda (Swinscow & Krog, 1988), St Helena (Leighton, 1871), South Africa, Madagascar, Hawaii (Magnusson & Zahlbruckner, 1943; Magnusson, 1956). TYPIFICATION. Original (syntype) Swartz material of Lichen tomentosus is found in the following herbaria: G, GB, L [910,213-1824], SBT, UPS, UPS-THUNBERG [sheet 26202]. Material from Swartz's own herbarium (SBT sheet 44) is selected as lectotype (Fig. 9) since it accords with the original description and closely resembles the coloured illus- tration later provided by Swartz (1811: pi. IX). Material in BM-ACH labelled Sticta tomentosa by Acharius (Galloway, 19886) is a mixture of two taxa neither of which appears to be Sticta tomentosa. OBSERVATIONS. In commenting on his species Sticta bicolor, Thomas Taylor (1847) gives the following notes which are a good description of the morphology of 5. tomentosa; '. . .Thallus 4 inches wide, lobes scarcely one quarter of an inch broad, the central parts of an ash-grey, the extreme of a chestnut brown, but little deepened by moisture. The thick dark grey scabrous pubescence of the inferior surface of the thallus reappears on the backs of the apothecia. The smooth surface of the thallus and the crowded marginal sessile apothecia readily distinguish this species from S. sylvatica Ach.'. SPECIMENS EXAMINED. Jamaica: sine loco, Mr Wiles (BM); sine loco, on branches and twigs of trees, Feb.-March 1905, Miss C.E. Cummings [Lich. Exs., G.K.Merrill 193] (BM); headwaters of catchment of the Mabess River, N. of the Grand Ridge of the Blue Mountains, 1340 m, 8 May 1989, P.J.Bellingham 1/13: 860602 (BM) [from trunk of Myrcian- thes fragrans on a rock bluff in montane rainforest]; steep slopes at the headwaters of the Mabess River N. of the Grand Ridge of the Blue Mountains between Morce's Gap and John Crow Peak, 1420 m, 5 July 1990, P.J.Bellingham 1/13: 859601 (BM) [Epiphytic at 0.5 m height on stems of Picea weddellii in a steep rubbly channel at the edge of an old landslide]; steep ridge at headwaters of Mabess River, N. of the Grand Ridge of the Blue Mountains between Morce's Gap and John Crow Peak, 1440 m, 23 August 1990, P.J.Bellingham 1/13: 857602 (BM). Mexico: La Cima, 3050 m, 14 July 1908, C.G.Pringle S 19,184 (BM); Amecameca, 14 September 1908, C.G.Pringle S 19,225 (BM); Hills Patzcuaro, November 1891, C.G.Prin- gle S 22,511 (BM). Panama: Chiriqui, between Los Planes de Hornito and Fortuna Lake. Trail to Zarzo, 1200 m, 8 March 1985, R.Hampshire & C.Whitefoord 335 (BM). Colombia: Rio Magdalena, Mr J. Weir (BM); Cali-Dagua Road, after Bitaco turning, 1000 m, 17 December 1967, R.M. Garrett 36 (BM); sine loco., ex Herb. Lindig 2521 (BM). Venezuela: Sierra de Sto Domingo, 1 August 1958, R.W.G. Dennis 1935b (BM). Peru: In declivibus Andium peruvianarum. pr. Sachapata, Sept. 1854, W.Lechler 3124 (BM). Brazil: Organ Mountains, Gardner (BM); sine loco, Mr Weir 61 (BM). St Helena: High Peak National Forest, 600 m, 17 December 1986, A. B. Barlow (BM). Tanzania: Arusha Distr., Mt Meru, south side, 2000 m, February 1974, T.D.V. Swinscow T16/5 (BM). Kenya: Meru Distr., Mt Kenya, east side, Themwe, 2100 m, February 1974, T.D.V. Swinscow 3K 16/8 (BM); Mt Kenya, 2 km NW of Irangi Forest Station, 2000 m, February 1974, T.D.V. Swinscow K48/15 (BM); Mt Kenya, near Castle Forest Station, 1900 m, February 1974, T.D.V. Swinscow K 49/6 (BM). Uganda: Kigezi District, Kinkizi County, 1600 m, December 1971, T.D.V. Swinscow 3U 56/4 (BM). South Africa: Cape Province [Kaffraria], Barziya (?), Rev. R. Baur (BM). Madagascar: sine loco, Barron (BM). Hawaii: Mauii, Puu Kukui, Mount Kaulawelewele, 295 m, 25 April 1970, 48 D.J. GALLOWAY A.C. Jermy s.n. (BM) [on soft sandstones or as epiphytes in Metrosideros rainforest with Pomantia arborea as a dominant shrub]. ACKNOWLEDGEMENTS. I am grateful to Dr Lars Arvidsson (Gote- borg), Mr Lars E. Kers and Prof. Bengt Jonsell (Bergianska Tradgarden, Stockholm) and Dr Roland Moberg (Uppsala) for the loan of original Swartz material; to Dr Peter Bellingham (Botany School, Cambridge University) for access to his lichen collections from the Blue Mountains, Jamaica; and to Mr Phil Crabbe, Phil Hurst and Pat Hart (BM) for expert photographic assistance. I thank my colleague Prof. Per Magnus J0rgensen (Bergen) for his helpful discussions and advice on nomenclatural matters, and assistance with the Latin diagnoses. REFERENCES Acharius, E. 1799. Lichenographiae sueciae prodromus . Lincopiae. 1803. Methodus. Stockholm. 1810. Lichenographia universalis. Gottingen. 1814. Synopsis methodica lichenum. Lund. Arvidsson, L. 1989. Lichen material by O.P. Swartz in the herbarium at Goteborg. Graphis Scripta 2: 164-167. Chen, J.-B. 1993. Chemical notes on three species of Sticta from China. Lichenologist 25: 454-458. Crombie, J.M. 1894. A monograph of lichens found in Britain. London. Culberson, C.F. 1972. Improved conditions and new data for the identification of lichen products by a standardized thin-layer chromatographic method. J. Chromat. 72: 113-125. Delise, D.F. 1825. Histoire des lichens: genre Sticta. Mem. Soc. linn. Nor- mandie 2: 1-167. Fee, A.L.A. 1837. Essai sur les cryptogames des ecorces exotiques officinales. Deuxieme parte. Paris. Galloway, D.J. 1981. Erik Acharius, Olof Swartz and the evolution of generic concepts in lichenology. In Wheeler, A. & Price, J.H. (Eds), History in the service of systematics. Soc. Hist. not. Hist. Spec. Pub. 1: 119-127. 1985. Flora of New Zealand lichens. Wellington. - 1987. Austral lichen genera: some biogeographical problems. Bibl. Lichenol. 25: 385-399. 1988a. Studies in Pseudocyphellaria (lichens) I. The New Zealand species. Bull.Br.Mus.nat.Hist. (Bot.) 17: 1-267. 19886. Erik Acharius and his influence on English lichenology. Bull. Br. Mus. not. Hist. (Bot.) 18(2): 149-194. 1992a. Lichens of Laguna San Rafael, Parque Nacional 'Laguna San Rafael', southern Chile: indicators of environmental change. Glob. Ecol. Biogeogr. Lett. 2: 37-45. 19926. Studies in Pseudocyphellaria (lichens) III. The South American species. Bibl. Lichenol. 46: 1-275. 1994. Studies on the lichen genus Sticta (Schreber) Ach.: I. Southern South American species. Lichenologist 26: 000-000. & Arvidsson. L. 1990. Studies in Pseudocyphellaria (lichens) II. Ecuador- can species. Lichenologist 22: 103-135. & Pickering, J. 1990. Sticta ainoae, a new species from cool temperate South America. Bibl. Lichenol. 38: 91-97. Green, T.G.A., Horstmann, J., Bonnett, H., Wilkins, A.L. & Silvester, W.B. 1980. Nitrogen fixation by members of the Stictaceae (Lichenes) of New Zealand. New Phytol. 84: 339-348. Hoffmann, G.F. 1791-1801. Descriptio et adumbratio plantarum e classe cryptogamica Linnaei quae lichenes dicuntur. 1, 3. Lipsiae. Hooker, W.J. 1822. Lichenes. In Kunth, C.S. (Ed.), Synopsis plantarum, quas, in itinere ad plagam aequinoctialem orbis novi, collegerunt A I. de Humboldt etAm. Bonpland. 1: 7-65. Paris. Hudson, W. 1762. flora anglica. London. Imshaug, H.A. 1956a. Catalogue of Central American lichens. Bryologist 59: 69-114. 19566. Catalogue of Mexican lichens. Revue bryol. lichen. 25: 321-385. 1957. Catalogue of West Indian lichens. Bull.Inst. Jamaica Sci. Ser. 6: 1-153. James, P.W. & Henssen, A. 1976. The morphological and taxonomic signifi- cance of cephalodia. In Brown, D.H., Hawksworth, D.L. & Bailey, R.H. (Eds), Lichenology: progress and problems: 22-77. London. Joshi, M. & Awasthi, D.D. 1982. The lichen family Stictaceae in India and Nepal. Biol. Mem. 7: 165-190. Leighton, W.A. 1871. Notes on the lichens of the island of Saint Helena. Trans. Linn. Soc. Land. 27: 155-158. Magnusson, A.H. 1956. A catalogue of the Hawaiian lichens. Ark. Bot. II, 3: 223-402. & Zahlbruckner. A. 1943. Hawaiian lichens. I. The families Verrucari- aceae to Peltigeraceae. Ark. Bot. 31A(1): 1-96. Malme, G.O.A. 1899. Beitrage zur Stictaceen-flora Feuerlands und Patago- niens. Bih. K. svenska Vetensk.-Akad. Handl. 25(3/6): 1-39. - 1934. Die Stictaceen der ersten Regnellschen Expedition. Ark. Bot. 26A(14): 1-18. Nicolson, D.H. & Jarvis, C.E. 1990. Solander's manuscript Florula Indiae Occidentalis and Swartz's Prodromus. Taxon 39: 615-623. Nylander, W. 1860. Synopsis methodica lichenum. 1(2): 141-430. Paris. Purvis, O.W., Coppins, B.J., Hawksworth, D.L., James, P.W. & Moore, D.M. 1992. The lichen flora of Great Britain and Ireland. London. Scopoli, J.A. 1772. Flora Carniolica 2nd ed. 2. Wien. Stafleu, F. 1971. Linnaeus and the Linneans. The spreading of their ideas in systematic botany, 1735-1789. Regnum. veg. 79: 1-386. Steam, W.T. 1980. Swartz's contributions to West Indian botany. Taxon 29: 1-13. Stizenberger, E. 1895. Die Grubchenflechten (Stictei) und ihre geographische Verbreitung. Flora, Jena 81: 88-150. Swartz, O. 1788. Nova genera & species plantarum seu Prodromus. Holmiae. 1811. Lichenes americani. Norimbergae. Swinscow, T.D.V. & Krog, H. 1988. Macrolichens of East Africa. London. Taylor, T. 1847. New lichens, principally from the herbarium of Sir William J. Hooker. Lond. J. Bot. 6: 148-197. Trevisan, V. 1869. Lichenotheca Veneta exs. 75 Lobaria pulmonaria. Bassano. Tuckerman, E. 1882. A synopsis of the North American lichens: Part 1. Boston. Vainio, E.A. 1899. Lichenes in Caucaso et in Peninsula Taurica annis 1884-1885 ab. H. Lojka et M. a Dechy collecti. Termes-zetr. Fuz. 22: 269-343. 1915. Additamenta ad lichenographiam Antillarum illustrandam. Ann. Acad. Sci. Fenn. A 6(7): 1-226. White, F.J. & James, P.W. 1985. A new guide to microchemical techniques for the identification of lichen substances. Bull. Br. Lichen. Soc. 57 (suppl.): 1-41. Zahlbruckner, A. 1925. Catalogus lichenum universalis 3: 326-407. Leipzig. Bull. not. Hist. Mus. Land. (Bot.) 24(1): 49-90 Issued 23 June 1994 Seaweeds of the western coast of tropical Africa and adjacent islands: a critical assessment. IV. Rhodophyta (Florideae) 4. Genera L-O DAVID M. JOHN, GEORGE W. LAWSON, JAMES H. PRICE Department of Botany, The Natural History Museum, Cromwell Road, London SW7 5BD WILLEM F. PRUD'HOMME VAN REINE Research Institute Rijks herbarium! Hortus Botanicus, P.O. Box 9514, 2300 RA Leiden, The Netherlands WILLIAM J. WOELKERLING School of Botany, La Trobe University, Bundoora, Victoria 3083, Australia CONTENTS Introduction 49 Species list 51 Numerical list of references 80 References . . 82 SYNOPSIS. This paper assembles and, so far as is possible without extended field and herbarium studies, examines critically the validity of records of marine and brackish-water Rhodophyta (Florideae) for the western coast of tropical Africa. The whole mainland coastline from the northern boundary of Western Sahara southwards to the southern boundary of Namibia, the oceanic islands from the Salvage Islands southwards to Ascension and St Helena, and all islands close to the African mainland coast are included in the area covered. Each species entry includes all traced records for the species, the names which have previously been applied to it for the area, and additional comments or evaluation, as necessary. Comments are also provided at generic or generic group levels in very complex cases. One new recombination is made, Nothogenia magnified (Pilger) J.H. Price. INTRODUCTION The area dealt with in this part of the work is identical with that covered in parts published previously (Lawson & Price, 1969; Price, John & Lawson, 1978, 1986, 1988, 1992; John, Price, Maggs & Lawson, 1979). Country names employed and their earlier equivalents, and the names of island groups included, are either listed in the legend or both listed and shown on the map in Fig. 1. Genera with the initial letter L-O and constituent species are listed in alphabetical order. Each main entry consists of: (i) The major bold heading, representing the currently- accepted name and authorities. (ii) Subsidiary italicized headings at intervals within the entry. These are in square brackets and essentially subdivide the overall entry. They represent the different ways in which the species has been referred to throughout in past publication patterns for the area. Incorrect citations from past literature have been maintained in these subsidiary heads so that there shall be no doubt as to which record we attribute to which species or lower taxon level; only when clarification was required for comprehension have changes been made in subhead citation, in which case explanation is given in intermediary or terminal notes. (iii) The distributional data, with countries and island groups arranged in a single alphabetical order. More generalized but still relevant statements of distribution follow the specific country list. Complete distribution patterns require a scan of records established under all names by which a species is known for this or adjacent areas. Hence, generalized distri- bution statements are included verbatim since it is not always clear for precisely which countries within the area they establish records. References are presented in two ways: (a) as a numbered list (p. 80) to allow inclusion of manuscript and expedition sources, and (b) as a list of full references in alphabetical order. Numbers within parentheses after the geographical names refer to corresponding numbers in the references. References relevant only in previous parts of this series are omitted here and numbers are therefore not fully standardized between the present and past parts. The Natural History Museum, 1994 50 D.M. JOHNETAL Fig. 1 The coastline of tropical West Africa and the offshore islands 1, Salvage Islands; 2, Canary Islands; 3, Western Sahara [=former Spanish Sahara, Spanish West Africa](includes the often quoted Rio de Oro, the southern region of the country, but excludes Ifni); 4, Mauritanie; 5, Senegal; 6, Gambia; 7, Guinea-Bissau [=Portuguese Guinea]; 8, Guinee; 9, Sierra Leone; 10, Liberia; 11, Cote d'lvoire; 12, Ghana; 13, Togo; 14, Benin [=Dahomey]; 15, Nigeria; 16, Cameroun; 17,* Bioko [=Macias Nguema Biyogo, Fernando Poo]; 18, Principe; 19, Sao Tome; 20,* Equatorial Guinea [ = Spanish Guinea]; 21, Gabon; 22,** Republic of the Congo; 23, Cabinda; 24, Zaire [=Congo Republic]; 25, Angola; 26, Namibia [ = South West Africa]; 27, Ascension Island; 28, Saint Helena; 29, Annobon [=Pagalu]. The Cape Verde Islands, which lie immediately to the west of Dakar (Senegal), have been omitted from this map but are included in the species list that follows. * Nos 17 (Bioko) and 20 (Spanish Guinea, = Rio Muni) on the original map (part I) are now jointly administered as Equatorial Guinea. Bioko is entered separately, where appropriate, in the species list. ** Loango, a name much used by earlier collectors such as Welwitsch, was formerly a coastal region of West Africa. Its application appears to have included much of the coastline of the Republic of the Congo (22), as well as of Cabinda (23) and Zaire (24). Because by far the longest and rockiest part of the Loango coast lies now within the Republic of the Congo we have attributed all marine algal records from Loango to the Congo. RHODOPHYTA (FLORIDEAE) OF TROPICAL AFRICA 51 (iv) Additional qualifying notes appear below whole entries or individual parts of entries to which they specifically refer. In these notes, references containing species records consist of authors' names, followed by the reference number in the terminal list and, where appropriate, the relevant page num- bers after a colon. Other references consist of authors' names, date of publication and sometimes page numbers after a colon. Species nomenclature has been revised as far as possible and the complete author citation is given for each currently- accepted combination. The subsidiary italicized headings and any other discarded combinations that require reference are included as cross-referencing entries to the currently- accepted names in the overall list. Without extended field and herbarium studies, the treatments presented here are essen- tially preliminary. Critical updating of the overall text is kept firmly in mind for the whole series and we would appreciate notification of any detected errors and omissions from any of the parts. SPECIES LIST Lasiothalia sp. Cote d'lvoire (288). Liberia (129; 350; 586). Note. Very tentative identification, with reservations, by Dr E. Wollaston of specimens from Harper, Cape Palmas, Liberia; not identifiable to species. A small epiphyte possibly easily overlooked or mistaken for Callithamnion, which it closely resembles (129). A few filaments have also been collected at nearby Tabou in Cote d'lvoire. Probably more widespread than suggested by records. Laurencia For a set of treatments of certain specific groups and subge- neric relationships across Laurencia from the western and central Pacific through the Pacific USA coasts and over to UK, see Saito (1982). Early studies by the same author exist on the genus from Japan (Saito, 1967); Hawaii, the Philip- pines and adjacent areas (Saito, 1969a); Pacific North America (Saito, 1969ft); and southern Australia (Saito & Womersley, 1974). Saito (1982: 306) believes that '. . . we should not rearrange the species of Laurencia until the characteristics of many other species from other areas of the world have been clarified'. Work on the taxonomy of this genus in the Canary Islands, through DNA studies, is in progress (Gil-Rodriguez and others). See also the short review by Gil-Rodriguez & Haroun (658). Laurencia brachyclados Pilger Annobon (139 ;350 ;456 ;457 ;496 ;535 ;563 ;586) . Ascension (475). Note. Steentoft (535) commented: '. . . specimen of L. brachycla- dos Pilger (Mildbraed 6719 from Annobon) in Hb B0rgesen would seem to represent the basal parts of a young plant of [L. obtusa] var. rigidula, but it is so minute, and at such variance with the published description (Pilger, 1920: 6) that it would seem better to leave it alone for the time being'. Mildbraed specimen 6719 bears little resemblance to Pilger's (456) description. Steentoft (535) also sug- gested that L. brachycladus might possibly be a dwarf or immature form of L. perforata, based solely on its description. Examination of the isotype in Herb. Agardh (No. 36616) seemed to confirm this assertion, but Yamada (563), examining the L. brachyclados holo- type, stated that it was not L. perforata. Much earlier De Toni (139: 371) had commented: 'Mea sententia haec species videtur forsan cum Laurencia perforata Mont, comparanda' (This species perhaps com- pares with Laurencia perforata Mont.). Cribb (112: 166-7) consid- ered that L. brachyclados and L. pygmaea Weber-van Bosse '. . . may be the same species' whereas as Pilger (456: 6) commented [L. brachyclados]: 'Die neue Art gehort in die Verwandschaft van L. scoparia J. Ag. [q.v.]; sie ist durch ihr sprossform ausgezeichnet'. Laurencia brongniartii J. Agardh Canaries (658). Ghana (299;350;376;377;586;590). '. . . Probably widespread in tropical seas. . .' (350;586). 'Tropical Africa (N. Gambia - Congo river)' (598). [As Fucus pinnatifidus Linnaeus] Ghana (271). Note. The tentative attribution of Hornemann's (271) record given above for Ghana is explained under the entry for Laurencia pinnatifida, which L. brongniartii superficially resembles. See also entry for Laurencia concinna Montagne. It has been suggested by John & Lawson (590) that this species may sometimes be mistaken for Laurencia pinnatifida or L. undulata Yamada, so reports of these species from Sao Tome (93) and Senegal (122) respectively may require reinvestigation. Laurencia caespitosa Lamouroux See Laurencia hybrida (DeCandolle) Lenormand ex Duby and Laurencia canariensis Montagne in Kiitzing. Laurencia canariensis Montagne in Kiitzing Canaries (25;26;27;109;133;318;323;407). 'warm Atlantic. . .'(410). [As Laurencia caespitosa Lamouroux] Canaries (401; 407). Note. Cotton's (109) text indicated that this is a replacement name for material that, in 1841, Montagne had considered as Laurencia caespitosa Lamouroux. The latter is normally considered to be a synonym, if correctly used, of L. hybrida (q.v.). This calls into question the status of this taxon in that records need careful analysis against L. hybrida. B0rgesen (71: 68-69) and Dangeard (119: 182) very firmly placed L. canariensis Montagne in Kiitzing in synonymy with L. hybrida. In 1841 Montagne (401) had commented under his Laurencia caespitosa entry: '. . . Je doute beaucoup de la legitimite specifique de cette Algue, que la plupart des phycologues reunissent peut-etre avec raison a la precedente. Nos echantillons sont assez fidelement represented dans la figure citee de Gmelin.' 'la prece- dente' in this case was Laurencia pinnatifida Lamouroux. J. Agardh (25: 769; 26: 769) indicated that Montagne (401: 154) had originally considered his species as conspecific with Laurencia hybrida but later came to believe them to be separate. This depends on the conspeci- fity or separateness of Laurencia caespitosa and L. hybrida. In 1876 J. Agardh (27: 662) placed this taxon in his 'Species inquirendae'. Laurencia chondrioides B0rgesen Canaries (598;663). [As Chondriopsis dasyphylla Woodward] Canaries (439). Note. The placement of Chondriopsis dasyphylla under Chondria dasyphylla in Price et al. (1986) is incorrect. Laurencia complanata (Suhr) Kiitzing See notes to Laurencia concinna Montagne. 52 D.M. JOHNETAL Laurencia concinna Montagne Note. The question of whether Laurencia brongniartii J. Agardh should be recorded under that name or L. concinna remains open although arbitrarily decided as the former. Yamada (563) considered Laurencia concinna Montagne as synonymous with Laurencia brongniartii J. Agardh. Papenfuss (1943: 91), by contrast, considered L. concinna to be different from L. brongniartii and L. complanata (Suhr) Kutzing. Cribb (113: 114-5) followed Yamada (563) in synonymizing the two taxa; he used the name L. brongniartii J. Agardh (1841) which seems to antedate L. concinna. Earlier, Cribb (112: 162-163) had followed Papenfuss (1943: 91) in maintaining the taxa as distinct since the type specimen of L. brongniartii '. . . is hardly complanate in the dried condition. . .'. Wynne (1986a) in his tropical/subtropical western Atlantic check-list, has accepted L. concinna as synonymous with L. brongniartii. Laurencia corallopsis (Montagne) Howe Canaries (633;658). Cape Verde Islands (Leiden Herbarium, det. M.C. Gil- Rodriguez and R.J. Haroun). Salvage Islands (R.J. Haroun, in litt. 1990). [As L. corrallopsis Howe] Canaries (686). [As Laurencia (grex) corallopsis (Montagne) Howe] Canaries (634). Laurencia cruciata Harvey St. Helena (142;260;391;655). Note. Dickie (142) regarded this species as very close to Lauren- cia obtusata, and this comment is repeated by Mellis (391) and Hemsley (260). Laurencia densa (P. Dangeard) J. Feldmann See Chondria densa P. Dangeard and Laurencia microcladia Kutzing. Laurencia elata (C. Agardh) Harvey See notes to Laurencia flexuosa Kutzing. Laurencia filiformis (C. Agardh) Montagne See note under Laurencia scoparia J. Agardh. Laurencia flexilis Setchell Canaries (658). Salvage Islands (Leiden Herbarium, det. M.C. Gil-Rodriguez and R.J. Haroun). Laurencia flexuosa Kutzing [As Laurencia flexuosa J. Agardh] Mauritanie (349;516). Note. Jaasund (279: 62), under the name Laurencia elata (C. Agardh) Harvey, indicated that Yamada (563: 241, pi. 26, 27) included L. flexuosa Kutzing and L. luxurians (Harvey) J. Agardh within L. elata, the distribution for which was cited as Australia, Tasmania and South Africa, Jaasund then adding East Africa (Tan- zania). Laurencia galtsoffii Howe Gabon (294;350;586). Ghana (288;350;586;590). Liberia (129;288;350;586). '. . .in tropical parts of the Atlantic and Pacific Oceans. . .' (350;586). Tropical Africa (N. Gambia - Congo river)' (598). [As Laurencia galstoffi Howe] Gabon (294). [As Laurencia cf. galstoffii Howe] Cape Verde Islands (652). Laurencia hybrida (DeCandolle) Lenormand ex Duby Canaries (8;16;33;38B;38D;71;118;128A;191;227;229; 230; 237;263;375;489;517;598;633;634;658). Cape Verde Islands (38B;38D;598). Salvage Islands (38B;38D;598). '. . . Atlantico, desde el sur de Inglaterra a Canarias' (517). '. . . Atlantique (de 1'Angleterre aux Canaries). . .' (33). '. . . English coast southwards to the Canary Islands. . .' (71). [As Laurencia caespitosa Lamouroux] Canaries (3;38;44;221;254;305;401). Cape Verde Islands (38;408;596). '. . . De 1'Angleterre aux Canaries' (38). '. . . D'Angleterre aux Canaries' (89). [As Laurencia caespitosa Lamouroux var. subsimplex Mon- tagne] Cape Verde Islands (38;408;597). [As Laurencia hybrida DeCandolle forma] Canaries (387). Note. B0rgesen (71: 68-69) very firmly placed Canaries Laurencia caespitosa and L. canariensis in synonymy with L. hybrida. See also the entry for Laurencia canariensis Montagne in Kutzing. Laurencia intermedia Yamada Cape Verde Islands (652;683). Cote d'lvoire (350;586). Ghana (295;350;586;590;695). Liberia (129;295;350;586). '. . . does not extend from the Gulf of Guinea into Senegal' (487). '. . . in tropical parts of the Atlantic and Pacific Oceans' (350;586). '. . . probably widespread in many warm temperate and tropical seas' (590). '. . . Tropical Africa (N. Gambia- Congo river)' (598). [As Laurencia papillosa (Forsskal) Greville] Ghana (153;338;537). 'warm Atlantic' (78). Note. For clinal morphological variation between L. papillosa< >L. intermedia< >L. paniculata, see the notes to L. paniculata. Laurencia tropica Yamada, L. flexilis Setchell and (so far as treat- ment of some areas of the Indian Ocean are concerned) L. intermedia Yamada are very similar. Yamada (563: 234), quoted also in Jaasund (279: 61), commented that more specimens becoming available from different localities could well result in his L. tropica being reduced to synonymy with L. flexilis Setchell. Tanzanian plants clearly identifi- able with B0rgesen's Indian Ocean material that he described as L. flexilis, correspond to the detailed description provided by Saito (1967: 39-45) for L. intermedia Yamada. In the end, Jaasund (279: 62) remained uncertain about the conspecificity of Tanzanian (and Indian Ocean) L. flexilis and L. intermedia, whilst using the latter RHODOPHYTA (FLORIDEAE) OF TROPICAL AFRICA 53 name and generally being inclined to believe that only one taxon was involved. Laurencia implicata J. Agardh Canaries (Leiden Herbarium, collected during trip of Helgo- land Research Vessel 'Heincke'). [As L. intricata Lamouroux] Cape Verde Islands (652). Sao Tome (350;535;586). Senegal (5 1;59). ?Sierra Leone (30;350;586). '. . .in warm temperate and tropical parts of the Atlantic and Pacific Oceans. . .' (350;586). '. . . Subtropical Africa [Senegal (N. of Gambia); Maurita- nia; Former W. Sahara]. . .' (598). '. . . Tropical Africa (N. Gambia - Congo river)' (598). Note. See notes to Laurencia majuscula and L. obtusa. Laurencia implicata (as L. intricata) has been sometimes considered to be a variety of L. obtusa (e.g. by Yamada, 563). Lawson & John (350: 586) suggest that Aleem's report of this species from Sierra Leone, growing on wave exposed shores as 'tufty cushions' with Centroceras and Gelidium, may have been a misidentification for L. tenera. Often referred to as L. intricata, but the correct name is L. implicata according to Silva et al. (1987). Laurencia intricata Lamouroux See L. implicata J. Agardh. Laurencia lata Howe & Taylor Senegal (59;399). 'Subtropical Africa [Senegal < > of Gambia); Mauritania; Former W. Sahara]' (598). Note. Bodard & Mollion (59) referred certain of their specimens with dorsiventral symmetry to this species. Laurencia luxurians (Harvey) J. Agardh See the notes to Laurencia flexuosa Kiitzing. Laurencia majuscula (Harvey) Lucas Canaries (633;647;658;686). Cameroun (350;586). Cape Verde Islands (652;683). Gabon (294;350;586). Gambia (296;350;586). Ghana (178;299;300;350;376;377;586;590;654;695). '. . . Probably pan tropical. . .' (350;586). '. . . Tropical Africa (N. Gambia- Congo river)' (598). Mauritanie (Leiden Herbarium, det. M.C. Gil-Rodriguez and R.J. Haroun). Salvage Islands (Leiden Herbarium, det. M.C. Gil-Rodriguez and R.J. Haroun). Note. This plant was once (257) considered to be a variety of Laurencia obtusa, since the two are almost identical anatomically. Morphologically it resembles L. implicata but is readily separated by its palisade-like cortical cells. Laurencia microcladia Kiitzing Canaries (686). Cape Verde Islands (686). Mauritanie (Leiden Herbarium, det. M.C. Gil-Rodriguez and R.J. Haroun). Senegal (54;59;529). 'Atlantique tropicale' (529). 'Subtropical Africa [Senegal (N. of Gambia); Mauritania; Former W. Sahara] (598). 'warmer parts of Atlantic Ocean' (97). [As L. obtusa (Hudson) Lamouroux] Canaries (439 pro parte). Note. See the entry for Chondria densa P. Dangeard, where additional information is presented. Bodard (54), when referring to L. microcladia, placed in brackets '( = L. densa J. Feldmann, = Chondria densa Dangeard)' implying that these entities are conspe- cific. No further information is given to justify the implication. Prud'homme van Reine et al. (663) have re-investigated Piccone's material (439) and considered that some plants referred to him as L. obtusa should be more correctly attributed to L. microcladia. Laurencia minuta sine auctorum Canaries (647). Note. Cited without authority in a comparative table. Laurencia natalensis Kylin See notes on Laurencia obtusa (Hudson) Lamouroux. Laurencia nidifica J. Agardh Cape Verde Islands (652). Cote d'lvoire (288;350;586). Ghana (288;350;586;590). Liberia (129;295;350;586). St. Helena (655). '. . .in pluribus calidioribus oceanis formae steriles consimi- les adsunt, quae an invicem specie differant parum constat. . .' (27). '. . . probably widespread in warm temperate and tropical seas. . .' (350;586). '. . . Tropical Africa (N. Gambia- Congo river). . .' (598). Note. This taxon has always presented difficulties of determina- tion due, in part, to sparse material. Doubts recorded in many of the above references relate to that. Laurencia obtusa (Hudson) Lamouroux Annobon (456;457;535). Cameroun (337;350;535;537;586). Canaries (8;16;38B;38C;38D;71;128A;191;216;226;227;237;252; 379 ;392 ;401 ;439 ;489 ;490 ;499 ;5 17 ;535 ;546;547 ;555 ;556 ; 557A;584;598;633;634;647;658;662;668;684). Cape Verde Islands (38B;38C;38D;252;408;499;535;555;556;598). Gambia (296;350;586). Ghana (BM Herbarium, Foote 1949). Mauritanie (38B;38C;38D;252;349;535;555;556). Principe (93;350;535;586). Salvage Islands (38B;38C;38D;215;216;231;375;555;556;598). Sao Tome (93;251;265;350;535;586). Senegal (38B;38C;38D;122;529;535;542;555;556). Sierra Leone (30;350;586). 'African and American coasts; Canary Islands. . .' (177). '. . . an den atlantischen Kiisten von Grossbritannien bis zu den Canarischen Inseln. . .' (501). '. . . Atlantic coasts from Britain to the Canary Islands. . .' (269). 54 '. . . Atlantique (de 1'Angleterre aux Canaries). . .' (33). '. . . Atlantique tropical et tempere' (542). '. . . In mari atlantico et ejus sinubus ab ins. britannicis usque ad Brasiliam et Cap. Bon. Spei. . .' (318). '. . .in oceano atlantico ... an ubique eadem?' (27). 'Nordwestafrika' (499). 'Pantropical' (529). '. . . toutes les mers chaudes. . .' (190). '. . . Subtropical Africa [Senegal (N. of Gambia); Maurita- nia; Former W. Sahara]. . .' (598). '. . . Tropical Africa (N. Gambia- Congo river). . .' (598). 'warmer parts of Atlantic Ocean' (375). 'Warmer parts of the Atlantic Ocean. . .' (62;71). 'Westafrika' (499). '. . . widespread from boreal-antiboreal to tropical seas' (350;586). [As Laurencia obtusa Lamouroux] Canaries (38;44;89;439;547). Cape Verde Islands (38;145;528). '. . . Atlantic [Ocean] . . . north and south . . . temperate and tropical latitudes. . .' (254). '. . . De la Grande Bretagne aux Canaries. . .' (38;89). [As Laurencia obtusa Hudson] Cape Verde Islands (150). Sao Tome (263;264). 'Atlantic and Pacific, temperate and subtropical' (143). 'Warmer parts of the Atlantic' (144). [As Laurencia obtusa (Hudson) Lamouroux var. gracilis Harvey] Canaries (242). [As Laurencia obtusa Lamouroux var. gracilis Kiitzing] Canaries (439). [As Laurencia obtusa (Hudson) Lamouroux var. natalensis (Kylin)] Sao Tome (535). [As Laurencia obtusa (Hudson) Lamouroux var. rigidula Grunow] Annobon (535). Sao Tome (535). [As Laurencia obtusa (Hudson) Lamouroux var. gelatinosa B0rgesen] Canaries (71). [As Laurencia hybrida (De Candolle) Lenormand ex Duby] Canaries (439 pro parte). Note. Prud'homme van Reine et al. (663) have re-investigated Piccone's material (439) and considerd that some plants referred to him as L. hybrida should more correctly be attributed to L. obtusa. [As Laurencia papillosa Forsskal and var. gracilis Kiitzing] Canaries (439). Note. See note for Laurencia papillosa. [As Laurencia grex. [presumably 'prox.'] obtusa] Canaries (232B). Note. For comment on the status of varieties sometimes recog- nized in L. obtusa and on the features distinguishing L. obtusa/L. implicata (the latter considered a variety of the former by Yamada, 563), see Lawson & John, 350: 340). See also the note under Laurencia majuscula. According to Steentoft (535), the Sao Tome plants are close to two varieties - var. natalensis (Kylin) B0rgesen which is more delicate, smaller, and more irregularly branched than the type, and var. rigidula Grunow, also smaller, more rigid, with more dense erect branches than the type. These minor differences are not a good basis for varietal recognition where morphological plasticity is high. Piccone (439: 45) indicated that he had material of this very polymorphic species that was very similar to varieties recognized under the names of gracilis and D.M. JOHNETAL gelatinosa. See notes under Laurencia papillosa, L. brachyclados and L. viridis for probable records of L. obtusa. Laurencia paniculata sine auctorum See under L. patentiramea (Montagne) Kiitzing. Laurencia papillosa (C. Agardh) Greville [As L. papillosa (Forsskal) Greville] Ascension Island (474;475). Annobon (456;457). Cameroun(337;350;454;484;500;586). Canaries (128A;227;584;658). Cape Verde Islands (38;150;191;598;683;686). Mauritanie (624). '. . . in oceano Atlantico ad littora calidiora Africae. . .' (133). '. . .in oceano atlantico calidiori ad littora Africae. . .' (26). '. . . toutes les mers tropicales' (190). '. . . Tropical Africa (N.Gambia- Congo river). . .'(598). 'Warmer parts of the Atlantic Ocean. . .' (62). [As Laurencia papillosa J. Agardh var. thyrsoides] Cape Verde Islands (38). [As Laurencia papillosa Forsskal var. thyrsoides} Cape Verde Islands (150). [As Laurencia papillosa (Forsskal) J. Agardh] '. . .in caldiore atlantico. . .' (27). [As Laurencia papillosa Greville] 'Warm Atlantic' (410). Note. Yamada (563), who actually described Laurencia interme- dia, regarded L. papillosa and L. paniculata as probably representing '. . . the extreme forms of one very variable species in which L. intermedia may be included. . .'. Piccone (439: 44-45) indicated that he had only one very small specimen from the Canaries. B0rgesen reported (71: 68) that Forti had allowed him to see the small fragment, stating '. . . It was so small that I did not feel inclined to make an anatomical examination of it, but according to its appear- ance and colour, more reddish than L. papillosa, it can most probably be referred to Laurencia obtusa'' . The Mauritanian record (624) is given with a query. See also under L. obtusa. Laurencia patentiramea (Montagne) Kiitzing [As L. paniculata (C. Agardh) Kiitzing] Canaries (38C;38D;598). Cape Verde Islands (38C;38D;44;598). Senegal (37;450;451). [As Laurencia paniculata (C. Agardh) J. Agardh] Canaries (658). Senegal (529). [As Laurencia paniculata J. Agardh] Mauritanie (624). Note. Audiffred (38C) indicated his record as new to the Canary Islands. Lawson & John (350, 586) repeated Yamada's (563) state- ment of opinion that L. patentiramea (as L. papillosa) and 'L. paniculata J. Agardh' may represent '. . . the extreme forms of one very variable species in which L. intermedia may be included'. Askenasy (37: 47) indicated in a footnote that the specimens of Laurencia were very fragmentary and that Bornet, who had deter- mined them, had given most with doubt. Given as Laurencia paniculata! (Agardh) Kiitzing by Piccone (450, 451), the Piccone (451) record was based on the Naumann (Gazelle) collection deter- mined by Askenasy. See also the 'Laurencia sp. A' from Senegal recorded by Sourie (529) and also note under Laurencia papillosa. For the correct name of this taxon, see Silva et al. (1987: 67, 68). RHODOPHYTA (FLORIDEAE) OF TROPICAL AFRICA Laurencia perforata Montagne See under Laurencia tenerrima (Clemente) Cremades & Perez-Cirera. Laurencia pinnatifida (Hudson) Lamouroux Annobon (456). Canaries (13;38D;226;227;229;230;232B;237;252;253- 375;379;401;489;517;584;598;633;658). Cape Verde Islands (Leiden Herbarium, det. M.C. Gil- Rodriguez and R.J. Haroun). ?Ghana (350;586). Mauritanie(38D;252;253;344;349;567). Salvage Islands (38B;38D;231;375;598). Sao Tome (93;251;295;350;586;590). Senegal (38D;530?). Western Sahara (38D;349). '. . . Atlantico Oriental (Inglaterra- Mauritania). . .' (253). '. . . Atlantique (de Norvege a la Mauritanie). . .' (33). '. . . Norwegen bis Mauritanien' (567). '. . . widespread in boreal-antiboreal seas and less common in tropical seas. . .' (350;586). 'Subtropical Africa [Senegal (N. of Gambia); Mauritania; Former W. Sahara]' (598). Tropical Africa (N. Gambia - Congo River)' (598). [As Laurencia pinnatifida Lamouroux] Canaries (44;214;268). SaoTome(261;263). '. . . Atlantique depuis les cotes anglaises jusqu'en Mauritanie. . .' (222). '. . . west coast of Africa. . .' (268). [As Laurencia pinnatifida (Gmelin) Lamouroux] Annobon (457;535). Canaries (16;42;71;191;230;236;387;392;499;535;546;556). Mauritanie (122;529;535;556). Salvage Islands (38B;556;556A). Sao Tome (93;535). Senegal (529;535;556). Western Sahara (556). 'Afrikanischen Kiiste von Marokko und den atlantischen Inseln bis zum Kap' (239). '. . . Faeroes southwards to the Canary Islands. . .' (71). '. . . most eastern Atlantic coasts south to Senegal' (535). 'Nordwestafrika' (499). 'Westafrika' (499). [As Laurencia pinnatifida (Turner) Lamouroux] '. . . De la Grande-Bretagne aux Canaries. . .' (89). [As Fucus pinnatifidus Linnaeus] Ghana (271). Note. Sao Tome plants were regarded with some doubt by Lawson & John (350, 586) since dredged from llm; elsewhere this species is intertidal or shallow subtidal. Records are not confirmable since neither the Newton (1881) plant (see 535) nor the Carpine (93) plant (Huve, pers. comm. to DMJ) are traceable. The plant superfi- cially resembles L. brongniartii and might be readly mistaken for it. Sourie (529) expressed doubt, noting Dangeard's opinion that Dakar plants approached more closely L. undulata (q.v.). The nomencla- tural equivalence of Fucus pinnatifidus and Laurencia pinnatifida may be in error, although L. pinnatifida is found elsewhere in the check-list area. If drift material was involved in the original P.E. Isert collections, the flattened species L. brongniartii, frequent in deep waters off the Ghana coast, may have been the plant in question. The original Isert specimens, if not destroyed in the 1807 fire at Copen- hagen Herbarium (C), require examination for correct attribution. This need is emphasized by the failure to re-record specimens during 55 the intensive work of recent decades. The record for Senegal (530) is given with a query. Laurencia platycephala Kiitzing Canaries (634?;658). Laurencia poiteaui (Lamouroux) Howe [As L. papillosa (Forsskal) Greville] Canaries (439). [As L. pinnatifida (Hudson) Lamouroux] Canaries (439). [As L. poitei (Lamouroux) Howe] Sao Tome (350;535;586). Senegal (59). '. . . probably widespread in warm temperate and tropical seas. . .' (350;586). 'Subtropical Africa [Senegal (N. of Gambia); Mauritania; Former W. Sahara]' (598). Tropical Africa (N. Gambia - Congo River)' (598). [As Laurencia tuberculosa Agardh] Sao Tome (251 ;265). [As Gracilaria poitei Lamouroux] SaoTome(251;263;264). [As Gracilaria poitei (Lamouroux) Agardh.] Sao Tome (265). Note. Prud'homme van Reine et al. (663) have re-investigated Piccone's material (439) and consider that plants referred to as L. pinnatifida and L. papillosa are correctly attributed to L. poiteaui. [As L. paniculata (C. Agardh) Kiitzing] Canaries (38C;38D;598). Cape Verde Islands (38C;38D;44;598). Senegal (37;450;451). [As Laurencia paniculata (C. Agardh) J. Agardh] Senegal (529). [As Laurencia paniculata J. Agardh] Mauritanie (624). Note. Audiffred (38C) indicated his record as new to the Canary Islands. Lawson & John (350, 586) repeated Yamada's (563) state- ment of opinion that: 'L. patentiramea (as L. papillosa) and 'L. paniculata J. Agardh' may represent '. . .the extreme forms of one very variable species in which L. intermedia may be included. Askenasy (37: 47) indicated in a footnote that the specimens of Laurencia were very fragmentary and that Bornet, who had deter- mined them, had given most with doubt. Given as Laurencia paniculata? (Agardh) Kutzing by Piccone (450,451); the Piccone (451) record was based on the Naumann (Gazelle) collection deter- mined by Askenasy. See also the 'Laurencia sp. A' from Senegal recorded by Sourie (529) and also note under Laurencia papillosa. For the correct name of this taxon, see Silva et al. (1987: 68). Laurencia poitei (Lamouroux) Howe See L. poiteaui (Lamouroux) Howe. Laurencia pygmaea Weber-van Bosse See the notes to Laurencia brachyclados Pilger. Laurencia scoparia J. Agardh Senegal (47;52;54;59). 'Subtropical Africa [Senegal (N. of Gambia); Mauritania; Former W. Sahara]' (598). Note. Amongst the varied statements of name and authorities throughout Bodard & Mollion (59), that employed in table HID (pp. 56 219-220) is: 'L. scoparia (Lamour.) Howe'. Laurencia scoparia sensu J. Agardh is very similar in external morphology to L. flagellifera J. Agardh (26: 747); the latter differs in having elongate and palisade- like epidermal layer cells and lenticular thickenings in the medulla cell walls. According to Wynne (1986a), the correct name is L. filiformis (C. Agardh) Montagne. Laurencia senegalensis Bodard Senegal (399). Note. This is probably simply a name of convenience, carelessly allowed to pass into the publication. It seems neither to have been described anywhere in print by Bodard, nor used elsewhere by Bodard, Mollion, or anyone else. Laurencia tenera Tseng Canaries (647; 658). Cape Verde Islands (Leiden Herbarium, det. M.C. Gil- Rodriguez and R.J. Haroun). Cote d'lvoire (287;295;350;586). Gambia (296;350;586). Ghana (288;297;350;491;586;590). Liberia (129;287;288;350;586). Mauritanie (Leiden Herbarium, det. M.C. Gil-Rodriguez and R.J. Haroun). Sierra Leone (295;350;586). St. Helena (655). Togo (288;293;350;586;590). '. . . probably pantropical. . .' (350;586;590). '. . . Tropical Africa (N. Gambia- Congo River)' (598). Laurencia tenerrima (Clemente) Cremades & Perez-Cirera [As Laurencia perforata Montagne] Canaries (27;38;44;89;97;128A;133;141A;323;351;390; 401;407;439;563;598;662). Cape Verde Islands (38;598). Gabon (350; 586). Gambia (296;350;586). Mauritanie (624). Salvage Islands (38B;598). Sao Tome (93;251;265;350;586). '. . . in maribus caldioribus in arena et inter minores Algas repens. . .' (27). '. . . Tropical Africa (N. Gambia- Congo river). . .' (598). '. . . widespread in warm temperate and tropical seas' (350;586). [As Laurencia perforata (Bory) Montagne] Annobon (456). Canaries (2;5;8;13;16;38B;38C;71;89;112;191;226;227;229; 253;318;323;375;379;490;583;658;686). Cape Verde Islands (38B;38C;100;123;183;191). Gabon (250). [As Laurencia cf . perforata (Bory) Montagne] Cape Verde Islands (652). Salvage Islands (38B;38C;375). Sao Tome (251 ;265). '. . . extendida por los mares templados y tropicales. . .' (253). [As Laurencia perforata (Bory) Montagne in Barker Webb & Berthelot] Annobon (535). Gabon (535). D.M. JOHNETAL Gambia (535). Sao Tome (535). Canaries (535;633;634). [As Laurencia perporata Montagne] Canaries (25;26). [As Laurencia cf. perforata (Bory) Montagne] Cape Verde Islands (652). Note. See comments concerning this species in notes under L. brachyclados Pilger. Laurencia tuberculosa J . Agardh SaoTome(251;265). Note. See L. poiteaui and remarks of Steentoft (535). The identity of specimens clearly requires confirmation. Laurencia undulata Yamada Senegal (55;122?;529;590). 'Subtropical Africa [Senegal (N. of Gambia); Mauritania; Former W. Sahara]' (598). Note. Despite recording his material as L. pinnatifida, Sourie (529: 116) indicated Dangeard's (122) opinion that the Dakar plants approached L. undulata Yamada. There is also the possibility of confusion with Laurencia brongniartii J. Agardh (q.v.). Laurencia viridis Gil-Rodriguez & Haroun Canaries (647). Cape Verde Islands (647). Salvage Islands (647). Note. A common alga in Macaronesia, before its description usually misidentified as L. obtusa. Laurencia spp. Cameroun (337;344;537). Canaries (5;8;13;71;226;229;232B;237;281;301;351;379;490; 633; 658). Cape Verde Islands (100;183;351;411). Cote d'lvoire (287). Ghana (42A;297;299;300;335;336;338;344;376;377;487;491; 537;567). Guinea-Bissau (529). Guinee (529). Liberia (287). Mauritanie (349;537). Namibia (164). St. Helena (533). Salvage Islands (38B). Senegal (59;123;344;399;411;529;530;531;537;542). West Africa (290;344;479). Note. Several of these references represent generalized state- ments secondarily based on more specific or similarly generalized data published elsewhere. Some of the records cover more than one undetermined species within Laurencia; examples are numbers 100 and 183 (Cape Verde Islands - spp. I and II); 490, 633, 529 and 530 (Guinee and Senegal - 2 species, one identified as 'L. sp. A'). Sourie (529: 119) also stated that one of his species resembles 'L. paniculata (C. Ag.) J. Ag.'. Amongst the records are some regarded by publishing author(s) as new species (albeit often with doubt, e.g. 164: 437); sterile material sometimes prevented further critical work (38B), occasionally subsequently resolved and reflected in specific entries. RHODOPHYTA (FLORIDEAE) OF TROPICAL AFRICA Lejolisia mediterranea Bornet Canaries (665). Leptofauchea brasiliensis Joly Canaries (664). Leptofauchea rhodymenioides Taylor Cape Verde Islands (Prud'homme van Reine, collected on CANCAP VII expedition). Leptophytum Adey (1966), nomen inquirendum The status and disposition of the genus Leptophytum Adey (669: 323) is unresolved. The generic type collection [i.e. the type of L. laeve (Stroemfelt) Adey] is missing and thus application of the name Leptophytum lacks the nomencla- tural foundation essential for stability (Woelkerling, 1988: 2-3, 217-218). In addition, Woelkerling & Irvine (1986a: 76-77) questioned whether Leptophytum should be recog- nized as a distinct genus, noting the difficulties outlined by Adey (669: 28) in ascribing species to Leptophytum vs Phymatolithon. Nevertheless, Chamberlain (1990: 198) felt that 'As an interim statement, therefore, I consider that Leptophytum should be accepted as a distinct genus, and that it and L. laeve should be interpreted according to Adey's (1966) concepts until further data are available'. The present account follows Woelkerling (1988), where Leptophytum is not recognized as a distinct genus but rather is treated as a nomen inquirendum and thus a genus requiring further evaluation. Two species ascribed to Leptophytum have been recorded from the region under consideration. Leptophytum bisporum (Foslie) W. Adey See Phymatolithon bisporum (Foslie) Afonso-Carrillo. Note. This species was originally described as Lithothamnion bisporum Foslie (19066: 18) based on material from Puerto Orotava, Tenerife, Canary Islands. Subsequently, Adey (669: 30) transferred the species to Leptophytum and then Afonso-Carrillo (11: 134) placed it in Phymatolithon. Data on the holotype are provided by Woelkerling (678: 39). Leptophytum bornetii (Foslie) W. Adey See Lithothamnion bornetii Foslie. Leptosiphonia schousboei (Thuret in Bornet & Thuret) Kylin Canaries (684). Leptosiphonia sp. Senegal (59). Note. Occurs in the Bodard & Mollion (59) text only in the terminal table HID (Dredging along the coast of the '. . . Sud de la petite cote . . . Senegal'). Liagora A complex genus on which much work remains to be done. Abbott's recent (656,688) studies of type material relevant to J. Agardh's (1896) and Lamouroux's (1812) works on the genus indicated much duplication of names among subgeneric 57 taxa and misappreciation of 'species' limits, apart from mis- determinations and omission of many previously published taxa. She was still moved to comment that, of taxa known by 1896, 'many remain little-known to this day'. All of which makes usage of names in the list area require some reserva- tion and confirmation. Liagora albicans Lamouroux [As Liagora decussata Montagne] Ascension (475). Canaries (38;68;139;390;408;439;598). Cape Verde Islands (25;38;131;191;318;407;408;410;423;528; 551;564;597;598;688). Note. Kutzing's (318: 538) statement 'Ad insulae St. Vincentii oras rejecta' presumably refers to the Cape Verde Islands. J. Agardh's (25: 429) description was quoted direct from Kvitzing (318) '. . . ad insularum St. Vincentii'. The Latin description was also given in full in Webb (551) where he referred to 'Montag. MS'. Both that and Montagne's (1849: 64) description were published in the same year, with Montagne published in January 1849 and Webb in November-December 1849. The most recent review of the genus (656: 308; 688: 1 19) concluded that L. decussata is a later synonym of L. albicans Lamouroux. Liagora canariensis B0rgesen Canaries (2;3;8;13;16;38B;38D;68;191;226;227;235;236;237; 303;351;375;379;489;598;634). Salvage Islands (38B;38D;598). [As Liagora fragilis Zanardini var.] Canaries (439 pro parte). Note. Piccone (439) gave this (p. 55) in his summary list of species recorded by Liebetruth and Bolle. L. fragilis was apparently a Liebetruth record. One of us (PVR) has examined the specimens on which this record is based and found them to be referrable to two species, L. canariensis and L. distenta. General note. Acuna Gonzales (2) stated: '. . . en nuestro archip- ielago [Islas Canarias] tambien existen algunas [especies] que son endemicas, como . . . Liagora canariensis. . .'. With substantiable records from elsewhere, this statement is clearly in error. Levring (375) has also recorded the species from Cabo Girao, Funchal and Deserte Grande, both Madeira group, and observed (375: 54): '. . . no doubt closely related to L. valida and it may be difficult to tell them apart. . .'. This comment is probably based on Feldmann's (191: 414) own comment that L. canariensis is near to L. valida, a pantropical species present on both sides of the Atlantic. According to Abbott (656: 309, 312 et seq.) L. valida Harvey is itself a synonym of L. fragilis Zanardini. Liagora ceranoides Lamouroux Ascension (474). Canaries (38B; 38D; 68; 72; 128A; 191; 226; 227; 303; 375; 556; 564; 584; 598; 651). Cape Verde Islands (688). Salvage Islands (38B;38D;231;375;556;556A;598). 'Warm Atlantic' (410). [As Liagora pulverulenta Agardh] Canaries (547). Note. Lamouroux's (331: 239) original record (repeated in Lam- ouroux, 332) is given as '. . . Sur les cotes de 1'ile St. Thomas. Ded. Weber.'. This is presumably the West Indian island, not that in the Gulf of Guinea. See also the discussion by Abbott (688). Liagora complanata C. Agardh See Liagora distenta (Mertens in Roth) Lamouroux. 58 D.M. JOHNETAL Liagora corymbosa B0rgesen See Liagora farinosa Lamouroux. Liagora decussata Montagne See Liagora albicans Lamouroux. Liagora distenta (Mertens in Roth) Lamouroux Canaries (13;38;38B;38D;68;191;226;227;229; 303;375;439; 489;490;517;556;584;598;634;648;688). Salvage Islands (38B;38D;215;231;375;556;598). '. . . Atlantico de Cadiz a Canarias. . .' (517). '. . . Atlantique (de Cadix aux Canaries)' (188). '. . . warmeren atlantischen Ocean. . .' (502). [As Liagora complanata Agardh] Salvage Islands (381;439;452). [As Liagora distenta (Mertens in Roth) C. Agardh] Canaries (392). Cape Verde Islands (683). [As Liagora distenta J. Agardh var. complanata J. Agardh] 'Warm Atlantic' (410). [As Liagora fragilis Zanardini var.] Canaries (439 pro parte). See note under L. canariensis B0rgesen. [As Liagora ramellosa Sender ex Kiitzing] Canaries (319). [As Liagora ramellosa Sender in Kiitzing] Canaries ('De Cadiz aux Canaries. . .') (89). Note. Reported by Weisscher (556) from the Salvage Islands solely on the basis of the Gil-Rodriguez et al. (231) record; not found by CANCAP Expeditions. Bornet himself (89: 105) indicated 'Le Liagora ramellosa ne me parait pas specifiquement distinct du L. distenta'. See comment under L. distenta concerning the possible identity of the Salvage Island record. For discussion of type material, see Abbott (688). Liagora elongata Zanardini See Liagora farinosa Lamouroux. Liagora farinosa Lamouroux Canaries (1;16;18;68;80;191;227;229;230;372;416;564). Cape Verde Islands (652;683;688). ?Prfncipe (350;586). ?Sao Tome (350;586). 'Seems to occur in all warmer seas' (68). '. . . widespread in warm temperate and tropical seas' (350;586). [As Liagora corymbosa B0rgesen] Salvage Islands (231). [As Liagora elongata Zanardini] Canaries (67;246;390;439;547). [As Liagora megagyna B0rgesen] ?Principe (535). ?Sao Tome (535). Note. B0rgesen (68: 59-62) examined Lamouroux's specimens from the Red Sea and confirmed the common identity of L. farinosa, L. elongata, L. cheyneana and L. corymbosa as a rather variable but characteristic plant. Abbott (656: 308 et seq.) has confirmed B0rges- en's conclusion. Steentoft (535) listed L. megagyna records from Sao Tome and Principe. The latter record was based on exsiccata specimens collected by F. Newton, who never visited Principe (Steentoft, pers. comm.) so possibly there was a mistake on the label. After re-examining Newton's collection, Lawson & John (350) suggest the identity of the plants to be L. farinosa rather than L. megagyna; see also the latter entry. The most recent critical treat- ment of morphology and nomenclature in the species here main- tained as L. farinosa Lamouroux is that begun by Abbott in 1984 (1) and carried further in 1990 (656: 308; 688: 122). In 1984 she commented that L. farinosa '. . . has a number of features about it that make recognition of the species easy. . .'. She went on to detail these, adding afterwards 'Nevertheless, the taxon has been given at least 1 1 specific names . . . and as L. farinosa was designated as the type specimen of Ganonema Fan & Wang (1974). It was segregated from Liagora principally on the relationship of the carpogonial branch to its supporting branch and its location'. Most species of Liagora, including the type species L. viscida, show carpogonial branches that are accessory to an established vegetative branching pattern. Fan & Wang (1974) established that in L. farinosa, the carpogonial branches were borne only on secondary filaments, or tertiary filaments of a cortical cluster. Abbott (1) noted that the location of the carpogonial branches correlated strongly with the season or age of the plant, varying in position/location/bearing branchlet type; hence, since this is the feature by which the genus Ganonema is recognized, it is too unstable a character for generic distinction. The latter genus (Ganonema farinosa (Lamouroux) Fan & Wang and Ganonema pinnetiramosa (Yamada) Fan & Wang) was therefore reduced by Abbott (1) to synonymy with Liagora farinosa Lamouroux. See also Abbott (688). Liagora fragilis Zanardini [As L. valida Harvey] Canaries (38C;598). Cape Verde Islands (38C;100;183;191;423;598;652). '. . . warmer parts of the Atlantic and Pacific (Abbott, 1945). . .' (416). Note. See also under L. distenta (Mertens in Roth) Lamouroux and L. canariensis B0rgesen. Liagora gymnarthron B0rgesen Canaries (38B;68;88;191;565;598). [As L. gymnorthron B0rgesen] Canaries (227). [As Liagora cf. gymnarthron B0rgesen] Salvage Islands (38B). Note. Feldmann (191: 414) indicated that L. gymnarthron appears to approach L. decussata Montagne (Antilles). Audiffred & Weiss- cher's Salvage Island record (38B) is expressed with doubt since their plant differed from Borgesen's description in having regularly dichotomous branches dispersed as well as alternate/decussate on the main axes. According to Abbott (pers. comm. to Prud'homme van Reine) this is probably L. distenta. See also the entry for L. albicans Lamouroux. Liagora megagyna B0rgesen Principe (535). Sao Tome (535). Note. Steentoft (535: 121) indicated that only a single plant in poor condition was available to her. This was the Newton specimen from Principe; it is therefore not clear why she gave only Sao Tome as the African distribution, but see L. farinosa entry. Steentoft (535) indicated that her determination must be regarded as uncertain. Liagora farinosa (q.v.) is suggested by Lawson & John (350; 586) as the most likely identity for the specimen. Liagora perforata An erroneous statement in Audiffred & Weisscher (38B: 19) regarding a 'host' of Champia parvula (C. Agardh) Harvey RHODOPHYTA (FLORIDEAE) OF TROPICAL AFRICA 59 on the island of Selvagem Grande. Presumably it correctly relates to Laurencia perforata Montagne, which is listed in the body of the text by the same authors. Liagora pulverulenta C. Agardh See Liagora ceranoides Lamouroux. Note. Yamada (564: 20-22) considered there to be two groups in the taxon L. ceranoides, rather easily distinguishable from each other on general habit. Since these had hitherto been called pulverulenta J. Agardh and leprosa J. Agardh he made new combinations at formal level: L. ceranoides a pulverulenta (Agardh) Yamada and L. cera- noides p leprosa (J. Agardh) Yamada. Abbott (656: 308) has confirmed the common identity of L. ceranoides Lamouroux and L. pulverulenta Agardh, suggested by B0rgesen (68: 58). Liagora ramellosa Sender ex/in Kiitzing See Liagora distenta (Mertens) Agardh. Liagora tetrasporifera B0rgesen Canaries (2;13;16;38B;38C;38D;57;68;88;188;191;214A;226; 227;229;327;351;490;556;564;598). Salvage Islands (38B;38C;38D;556;598). [As L. viscida (Forsskal) C. Agardh] Canaries (439; 547). Note. Under the entry for L. viscida Piccone (439: 34) com- mented that he had only few specimens, differing somewhat from the typical form. One of us (PVR) has checked the Piccone specimens under this name and found them to be attributable to L. tet- rasporifera. See also the entries for Liagora viscida (Forsskal) C. Agardh. There is some reason to believe that confusion has existed for this area in attribution of viscida as epithet to specimens likely to represent tetrasporifera. In the absence of definitive means of revi- sion, we have not attempted to resolve the situation but have maintained the authors' naming patterns. Liagora valida Harvey See Liagora fragilis Zanardini. Liagora viscida (Forsskal) C. Agardh Canaries (38D;216;227;499;584;598). St. Helena (259;401;655). 'Macaronesia' (656). '. . . ad oras Europae et Africae; ad ins. St. Thomae. . .' (318). '. . .In den warmeren Teilen des Atlantischen Ozeans' (499). '. . . in oceano Atlantico caldiore. . ; ad insulam Sancti Thomae. . .' (131). '. . . littus occidentale (Press); ad insulam St. Thomae' (25). 'Nordwestafrika' (499). '. . . warmeren atlantischen Ocean. . .' (502). [As Liagora viscida Agardh S. laxa Kiitzing] ?Sao Tome (318). [As Liagora viscida C. Agardh] St. Helena (260). 'Warmer Atlantic' (410). [As Liagora viscida Forsskal] Canaries (142). St. Helena (142;391). Note. Available evidence tends to suggest that references above to 'St. Thomae' refer to the West Indian island and not to the African island of that name. Confusion has been caused by the form of citation in Kutzing (318: 538), quoted in detail here. Data are included for completeness. Problems of determination, referred to in the note to Liagora tetrasporifera B0rgesen (q.v.), have been wors- ened by the characteristic referred to by Feldmann (188: 271) '. . . cette algue est assez polymorphic. . .'. Liagora spp. Canaries (5;38C;89;117;118;229;247;301;302;304;490;567). Cape Verde Islands (552). Note. Weber-van Bosse (552) identified material as Liagora, possibly a new species, and Bornet (89) indicated he detected six species amongst Schousboe's material. Audiffred (38C: 179) made the interesting point 'Even Isabella Abbott did not recognise this species'! Lictoria taxiformis (Delile) J. Agardh See Asparagopsis taxiformis (Delile) Trevisan. Litholepis Based on studies of relevant type collections, Woelkerling (1986) concluded that Litholepis Foslie (203: 5) was a hetero- typic synonym of Titanoderma Na'geli (1858: 532). Subse- quently, Campbell & Woelkerling (1990) subsumed Titanoderma into Lithophyllum Philippi (1837: 387), and Woelkerling & Campbell (1992: 81) concluded that the type species of Litholepis, L. caspica (Foslie) Foslie, was a hetero- typic synonym of Lithophyllum pustulatum (Lamouroux) Foslie. These conclusions are followed in this paper. Two species ascribed to Litholepis have been recorded from the region under consideration. Litholepis mediterranea Foslie Cape Verde Islands (366;368;598). Note. The status and disposition of this species are uncertain, and records from the Cape Verde Islands require confirmation once a detailed study of the holotype (see 678: 147) has been undertaken. The holotype was collected at Banyuls sur Mer, France. Feldmann (188: 317) referred the species to Fosliella (now considered a heterotypic synonym of Hydrolithon; Penrose & Chamberlain, 1993) while Adey (669: 15) referred the species with some doubt to Lithoporella. Both Hydrolithon and Lithoporella belong to the subfamily Mastophoroideae (Woelkerling, 1988: 115) whereas the type of Litholepis belongs to the subfamily Lithophylloideae (Woelk- erling, 1988: 92). Litholepis sauvageaui Foslie See Lithoporella sauvageaui (Foslie) Adey. Lithophyllum Philippi The concept of Lithophyllum adopted in this paper follows Woelkerling & Campbell (1992: 17). According to this con- cept, the following characters collectively delimit Lithophyl- lum from other genera of Corallinaceae: 1) thallus nongeniculate; 2) crustose portions of thallus with a dorsi ven- tral internal organization; 3) haustoria absent; 4) cells of contiguous vegetative filaments commonly joined by second- ary pit-connections; 5) fusions between vegetative cells absent or very rare; 6) tetrasporangial/bisporangial concep- tacles uniporate; and 7) tetrasporangia/bisporangia lacking apical plugs. The earlier taxonomic history of Lithophyllum is summarized by Woelkerling (19836), who also provided accounts of the original collections of the four species that 60 D.M. JOHNETAL Philippi (1837) included in the genus. Hyperantherella Hey- drich (1900: 316) and Crodelia Heydrich (1911: 12) are homotypic synonyms of Lithophyllum (see Woelkerling, 1988: 99-100). Heterotypic synonyms include Dermatolithon Foslie (682: 11) (a homotypic synonym of Titanoderma; see below and also Woelkerling et al., 1985 and Campbell & Woelkerling, 1990), Litholepis Foslie (203: 5) (see Woelker- ling, 1986: 260; Woelkerling & Campbell, 1992: 81), Perisper- mon Heydrich (1900: 316) (see Woelkerling, 1991), Pseudolithophyllum Lemoine (1913a: 45) (see Woelkerling, 1988: 103), Stichospora Heydrich (1900: 316) (see Woelker- ling, 1983a: 184; Woelkerling, 1988: 102), and Titanoderma Nageli (1858: 532) (see Campbell & Woelkerling, 1990). Chamberlain (1991: 13, 23-24) and Chamberlain et al. (1991: 164-165) proposed that Titanoderma be maintained as a genus distinct from Lithophyllum, but Woelkerling & Camp- bell (1992: 17-18) concluded that characters suggested by Chamberlain (1991) and Chamberlain et al. (1991) to be diagnostic of Titanoderma (a predominance of primigenous palisade cells and the occurrence of at least some bistratose margin) were too variable in southern Australian collections to be used reliably in generic delimitation. Lithophyllum absimile Foslie & Howe in Foslie See under Spongites wildpretii Afonso-Carrillo. Lithophyllum accretum (Foslie & Howe) Lemoine See Neogoniolithon accretum (Foslie & Howe) Setchell & Mason. Lithophyllum accretum (Foslie & Howe) Lemoine f . canariensis Foslie See notes under Neogoniolithon accretum (Foslie & Howe) Setchell & Mason. Lithophyllum accretum (Foslie & Howe) Lemoine var. canariense (Foslie) Lemoine See notes under Neogoniolithon accretum (Foslie & Howe) Setchell & Mason. Lithophyllum aequinoctiale Foslie See Porolithon aequinoctiale (Foslie) Foslie. Lithophyllum africanum Foslie See Porolithon africanum (Foslie) Foslie. Lithophyllum amplexifrons (Harvey) Heydrich See Pneophyllum amplexifrons (Harvey) Chamberlain & Norris. Lithophyllum aninae Foslie Cape Verde Islands (6;100;101;136;139;207;210;212;366;597; 598;678). Note. Foslie (207: 28) based Lithophyllum aninae on a single collection from Sao Vincente, Cape Verde Islands. Adey (669: 4) referred the holotype to Lithophyllum without comment. The holo- type (678: 27), however, has not been studied in detail in a modern context, and thus the status and disposition of the species are uncertain, as is the identification of specimens from the West African region. Lithophyllum applicatum Lemoine in B0rgesen See Neogoniolithon hirtum (Lemoine in B0rgesen) Afonso- Carrillo. Lithophyllum bisporum Foslie See Phymatolithon bisporum (Foslie) Afonso-Carrillo. Lithophyllum byssoides (Lamarck) Foslie. Mauritanie (356;359;360). [As Goniolithon byssoides (Lamarck) Foslie] Mauritanie (354). Note. This species was originally described as Nullipora byssoides Lamarck (1801: 374) and was based on material depicted by Seba (1758: pi. 116, fig. 7). Subsequently, the species has been placed in Millepora (Lamarck, 1816: 203), Lithothamnion (Philippi, 1837: 388), Spongites (Kutzing, 1869: 35), Goniolithon (Foslie, 1898a: 5), Lithophyllum (682: 20), and Titanoderma (Chamberlain & Woelker- ling in Woelkerling, 1988: 260). Woelkerling (1983a: 177-180, figs 12-16) outlined the nomenclatural history of the species, neotypified it with a Philippi collection and provided an account of that material. Later, Woelkerling (1988: 216, 217, 260) concluded that the species belonged to Titanoderma sensu Woelkerling et al. 1985 (see also Woelkerling, 1988). Following Campbell & Woelkerling (1990) and Woelkerling & Campbell (1992), Titanoderma is regarded here to be a heterotypic synonym of Lithophyllum, and thus Nullipora byssoides is dealt with as a Lithophyllum. Specimens on which the records from Mauritanie are based now need to be re-examined to determine whether they are conspecific with the neotype of L. byssoides. Lithophyllum calcareum (Pallas) Areschoug See Phymatolithon calcareum (Pallas) Adey & McKibbin. Lithophyllum canariensis Foslie See Mesophyllum canariensis (Foslie) Lemoine. Lithophyllum capense Rosanoff Cape Verde Islands (38;598). '. . . Afrique meridionale. . .' (38). [As Lithothamnium capense (Rosanoff) Foslie] Canaries (354). Note. Rosanoff (1866: 86) based this species on material from southern Africa that Hohenacker had distributed as Alg. mar. sice. no. 236. Type material of this species has not been studied in detail in a modern context, and thus the status and disposition of the species are uncertain as is the identification of specimens from the West African region. Lithophyllum caribaeum Foslie See Neogoniolithon caribaeum (Foslie) Adey. Lithophyllum corallinae (P. & H. Crouan) Heydrich Mauritanie (349). [As Dermatolithon corallinae (P. & H. Crouan) Foslie] Salvage Islands (38B;231;375). [As Melobesia corallinae Solms-Laubach] Mauritanie (59;252). Senegal (252). RHODOPHYTA (FLORIDEAE) OF TROPICAL AFRICA [As Melobesia corallinae Crouan] Canaries (439) Note. Detailed accounts of this species, including information on the lectotype, are provided by Chamberlain (1991: 66-69, figs 208-224, as Titanoderma) and Woelkerling & Campbell (1992: 41-56, figs 22-32). All specimens on which published records for the West African region are based need to be checked to determine whether they are conspecific with the lectotype. Lithophyllum coral- linae also was referred to by Price et al. (1986: 86) under Dermatoli- thon in a previous part of this critical assessment series. Lithophyllum cristatum Meneghini f . crassa (Lloyd) Hauck See Tenarea tortuosa (Espoer) Lemoine. Lithophyllum crouanii Foslie Canaries (598). [As Lithophyllium crouani] Canaries (235). Note. The lectotype material (678: 68) of Lithophyllum crouanii was collected at Berwick-on-Tweed, England and has been examined in detail by Chamberlain et al. (1988), who also provided an account of the species in the British Isles. Records of this species from the Canary Islands require confirmation, especially in view of the misi- dentifications uncovered by Chamberlain et al. (1988). Lithophyllum cystoseirae (Hauck) Heydrich. Annobon (455). [As Dermatolithon cystoseirae (Hauck) Huve] Canaries (227;582) Mauritanie (262;349;367;368). [As Dermatolithon cystoseirae (Hauck) Foslie] Mauritanie (367). [As Dermatolithon cystoseirae (Hauck) Foslie f. saxicola Huve] Canaries (368). Mauritanie (368). [As Dermatolithon cystoseirae (Hauck) Foslie var. saxicola Huve] Canaries (368). Mauritanie (368). '. . . Atlantique (de 1'Angleterre a la Mauritanie). . .' (33) [As Melobesia cystoseirae Hauck] Annobon (139) [As Dermatolithon papillosum (Zanardini) Foslie var. cys- toseirae (Hauck) Lemoine] Annobon (350) '. . . Gulf of Guinea region. . .' (350;367) Note. This species was originally described as Melobesia cystosei- rae (Hauck, 1883: 266, pi. 3, figs 1, 2, 6) and was based on specimens from the Adriatic Sea. Studies of type material by Huve (272) and Athanasiadis (1989) have confirmed that this species belongs to Lithophyllum as delimited by Campbell & Woelkerling (1990) and Woelkerling & Campbell (1992), but a thorough study of reproduc- tive anatomy needs to be undertaken before the relationships of it to others in the genus can be properly determined. Once such a study is completed, all specimens on which published records for the West African region are based need to be re-examined to determine whether they are conspecific with the type. Lithophyllum cystoseirae was also referred to by Price et al. (1986: 86) under Dermatolithon in a previous part of this series. 61 Lithophyllum daedaleum Foslie & Howe Canaries (666). Note. Foslie & Howe (1906: 133) based this species on material from Puerto Rico. The holotype (678: 70) has not been studied in detail in a modern context, and thus the status and disposition of this species are uncertain, as is the identification of the material from the Canary Islands. Lithophyllum decussatum (Ellis & Solander) Philippi f . pianist-ilia Foslie Canaries (211). Note. Foslie (211: 22) based Lithophyllum decussatum f. planis- cula on material from Morocco (see 678: 173) that previously had been referred to Lithophyllum expansum. Foslie (211: 23) also suggested that 'En lignende form foreligger ogsaa fra de Kanariske 0er' but Foslie did not definitely refer the Canary Islands material to f. planiscula. No such specimen is filed in the Foslie herbarium under Lithophyllum decussatum (6: 44), and until the relevant specimen is located and examined in a modern context, this record must be regarded as questionable. Lithophyllum duckeri Woelkerling Ascension (541). [As Lithothamnion crassum Philippi] Ascension (541). Canaries (547;598). St Helena (142;260;391). Note. Lithophyllum duckeri is a nom. nov. for Lithothamnion crassum Philippi. An account of the lectotype and the nomenclatural history of Lithophyllum duckeri are provided by Woelkerling (1983a: 180-184, figs 17-22), who showed that the type of Lithothamnion crassum belonged to Lithophyllum. Upon transfer into Lithophyl- lum, the new specific epithet duckeri was required because Rosanoff (1866: 93) had used the combination Lithophyllum crassum for another species. Woelkerling (1983a) noted that the relationships of L. duckeri to other species of Lithophyllum was uncertain. The lectotype was collected from the west coast of Sicily. Subsequent studies of southern Australian species of Lithophyllum (Woelkerling & Campbell, 1992) have shown that characters relating to tetraspo- rangial conceptacle roof anatomy are important in species delimita- tion, and because these were not considered by Woelkerling (1983a), further studies of the type of L. duckeri are required before its status and relationships can be fully determined. Once such studies are completed, all specimens on which records from Ascension, the Canaries, and St. Helena are based must be checked to determine whether they are conspecific with the lectotype of L. duckeri. Lithophyllum esperi (Lemoine in B0rgesen) South & Tittley [As Pseudolithophyllum esperi Lemoine] Canaries (70;191 ;227;362;363;499;582;598). Cape Verde Islands (366;598). '. . . Golfe de Guinee. . .' (366;586). Tropical Africa (N.Gambia-Congo river)' (598). Note. Lemoine (363: 63) based this species on four collections from Puerto Orotava, Tenerife, Canary Islands but did not designate a type. South & Tittley (1986: 43) transferred the species into Lithophyllum, but the original collections of Lemoine, from which a lectotype must be chosen, have not been studied in detail in a modern context, and thus the status and disposition of this species are uncertain, as is the identification of other specimens from the West African region. 62 D.M. JOHNETAL Lithophyllum expansum Philippi See Mesophyllum lichenoides (Ellis) Lemoine. Lithophyllum geometricum Lemoine Canaries (191;362;363;687) [As Dermatolithon geometricum (Lemoine) Dawson] Canaries (227;366;367;368;369;582;674). Cape Verde Islands (366;367;368;369;582). '. . . Atlantique african. . .' (369). [As Lithophyllum sp. (geometricum^)] Canaries (230). [As Lythophyllum sp. (geometricum'?) Lemoine] Canaries (230). Note. Lemoine (363: 47) based this species on two collections from Puerto Orotava, Tenerife, Canary Islands but did not designate a type. The species subsequently has been transferred to Goniolithon Setchell & Mason (1943: 89), Dermatolithon (674: 273) and Titano- derma (Price et al., 1986: 86). The type material apparently has not been re-examined in detail in a modern context and a lectotype has not been designated; thus the status and disposition of the species are uncertain, as is the identification of other specimens from the West African region. Lithophyllum geometricum also was referred to by Price et al. (1986: 86) under Dermatolithon in a previous part of this series. Lithophyllum gracile Foslie Cape Verde Islands (6;136;139;;207;210;212;366;597;598). '. . . Africa occidental' (136). Note. A detailed study of the holotype collection (678: 108), which comes from Sao Vincente, Cape Verde Islands, has not been undertaken in a modern context, and thus the status and disposition of the species are uncertain, as is the identification of specimens from the West African region. Adey (669: 5) referred the holotype to Lithophyllum without comment. Lithophyllum hapalidioides (P. & H. Crouan) Foslie See Lithophyllum pustulatum (Lamouroux) Foslie. Lithophyllum hauckii (Rothpletz) Lemoine See Neogoniolithon mamillosum (Foslie) Setchell & Mason Lithophyllum hirtum Lemoine in B0rgesen See Neogoniolithon hirtum (Lemoine in B0rgesen) Afonso- Carrillo. Lithophyllum illitus Lemoine in B0rgesen See Neogoniolithon illitus (Lemoine in B0rgesen) Afonso- Carrillo. Lithophyllum incrustans Philippi Canaries (3;6;70;109;134;227;252;354;356;359;493;582;584; 598;633). Cape Verde Islands (100;366;375;598). Mauritanie (6 ;248 ;252 ;349 ;356 ;359 ;63 1) . Western Sahara (252;349;631). '. . . Atlantique: depuis les cotes anglaises jusqu'en Mauritanie. . .' (222). '. . . Atlantique (des Feroes a la Mauritanie, lies du Cap Vert). . .' (33). '. . . Atlantico norte (hasta Marruecos y Mauritania)' (517). '. . . Atlantique nord (jusqu'au Maroc et a la Mauritanie)' (188). '. . . cotes . . . africaine de 1'Atlantique. . .' (357). '. . . si commune sur les cotes atlantique a maree basse. . .' (359). 'subtropical Africa (N. of Gambia); Mauritania; former W. Sahara' (598). [As Lithophyllum incrunstans[sic\] Philippi] Canaries (253). Cape Verde Islands (253). '. . . Atlantico Oriental (Inglaterra - Cabo Verde). . .'(253). [As Lithothamnion incrustans (Philippi) Foslie] Canaries (547). [As Lithothamnion ponderosum Foslie] Sao Tome (197;265). Note. Records of this species from the West African region require confirmation. An account of the holotype is provided by Woelkerling (19836: 313-317, figs 15-22), but unfortunately, details of tetrasporangial conceptacle roof anatomy, now known (Woelker- ling & Campbell, 1992) to be important in species delimitation within Lithophyllum, were not included and further study of the type is required. The holotype was collected along the west coast of Sicily. Lithophyllum irregulare (Foslie) Huve ex Steentoft Canaries (535). Sao Tome (535). [As Lithophyllum irregularis Foslie] Canaries (227). [As Lithothamnium irregulare Foslie] Sao Tome (206;350;586). '. . . in warm temperate and tropical parts of the eastern Atlantic Ocean' (350;586). [As Lithothamnion irregulare Foslie] Canaries (582). 'Gulf of Guinea' (6;135;139;206;212;582). '. . . vestkysten af Afrika' (209). [As Pseudolithophyllum irregulare (Foslie) Adey] Canaries (598). Tropical Africa (N. Gambia-Congo river)' (598). [As Tenera irregularis (Foslie) Lemoine] Sao Tome (70). Note. This species was originally described as Lithothamnion irregulare (206: 6), based on material from Sao Tome. The species subsequently was transferred to Tenarea (363: 56), then to Lithophyl- lum (see below), and then with some doubt to Pseudolithophyllum (669: 13). The combination Lithophyllum irregulare was first effected by H. Huve (1957: 138), but because Huve did not cite the basionym (Lithothamnion irregulare, 206: 6), her combination is invalid (Article 33.2 in the International code of botanical nomenclature; see Greuter, 1988). Steentoft (535: 128) subsequently validated the combination which is correctly cited as either Lithophyllum irregulare (Foslie) H. Huve ex Steentoft or Lithophyllum irregulare (Foslie) Steentoft. The holotype collection (678: 130) was examined by Steentoft (535: 128), but there is no detailed account of the holotype in a modern context, and thus the status and disposition of this species is uncertain. Retention here of the species in Lithophyllum is purely arbitrary as it is unknown whether the type possesses second- ary pit-connections (characteristic of Lithophyllum) or cell fusions (implied by placement in Pseudolithophyllum sensu Adey, 1970). Further data on the name Pseudolithophyllum are provided by Woelkerling (1988: 103). All specimens on which published records for the West African region are based need to be checked to determine whether they are conspecific with the holotype. RHODOPHYTA (FLORIDEAE) OF TROPICAL AFRICA Lithophyllum kaiseri (Heydrich) Heydrich Annobon (586). [As Lithophyllum Kaiseri Heydrich] Annobon (367;368;455). [As Lithophyllum kotschyanum Unger] Annobon (139;397;455;457). Note. This species originally was described as Lithothamnion kaiseri (Heydrich, 1897a: 64) and is based on material from El Tor, the Red Sea. Subsequently, Heydrich (1897&: 412) transferred the species to Lithophyllum. Heydrich did not designate a type, and Heydrich's main herbarium has apparently been destroyed (Stafleu & Cowan, 1979: 187; Hiepko, 1987: 230). However, syntype material occurs in TRH (678: 132). Because a lectotype has not been designated and studied in detail in a modern context, the status and disposition of the species are uncertain, as are the records from the West African region. According to Lemoine (368: 6), plants from Annobon identified by Pilger (455: 419) as Lithophyllum kotschy- anum Unger are really Lithophyllum kaiseri. Once L. kaiseri has been lectotypified and studied in detail, Pilger's plants need to be re-examined to determine whether they are conspecific with the lectotype of L. kaiseri. Lithophyllum kotschyanum Unger See Lithophyllum kaiseri (Heydrich) Heydrich. Lithophyllum leptothalloideum Pilger Annobon (455;457). [As Pseudolithophyllum leptothalloideum (Pilger) De Toni] Annobon (139;350;586). Note. A detailed study of the type material (whereabouts uncer- tain; see Stafleu & Cowan, 1983: 265), collected at Annobon, has not been undertaken in a modern context, and thus the status and disposition of this species are uncertain. Lithophyllum lobatum Lemoine in B0rgesen Canaries (70;227;362;365;366;685;687). Cape Verde Islands (366). Mauritanie (349;366). Senegal (529). 'Lusitano- Africano-Mediterraneen' (529) . [As Pseudolithophyllum lobatum (Lemoine) Verlaque & Boudouresque] Canaries (582;598). Cape Verde Islands (598). 'N.W. Africa and Atlantic Islands' [translation] (582). 'Subtropical Africa [Senegal (N. of Gambia); Mauritania; Former W. Sahara]' (598). [As Lithophyllum expansum Philippi] Canaries (21 1;493). Note. Lemoine (363) states that: 'les echantillons determines sous le nom [Lithophyllum expansum} par M. Foslie, et cites par M. Sauvageau [493: 185] dans la localite de Puerto Orotava sont en realite L. lobatum'. [As Mesophyllum lobatum Lemoine] Canaries (191). Note. Lemoine (362: 40) based this species on four collections from Puerto Orotava, Tenerife, Canary Islands, but did not specify a type. As far as known, a lectotype has not been designated and there has been no detailed study of the protologue collections in a modern context. Thus the status and disposition of the species are uncertain, as is the identification of specimens from the West African region. According to Lemoine (362), the cited entries for Lithophyllum expansum involve misidentified specimens. Feldmann (192: 414) used the binomial Mesophyllum lobatum Lemoine instead of Lithophyl- 63 lum lobatum Lemoine in B0rgesen. It is not clear whether this is an error or whether Feldmann had intended to transfer lobatum to Mesophyllum; the binomial probably should be cited as Mesophyllum lobatum (Lemoine) Lemoine ex J. Feldmann. Lithophyllum marlothii Heydrich Sao Tome (6;265). [As Lithophyllum Marlothii Heydrich, forma] Sao Tome (251). Note. Heydrich (18976: 61) originally described this species as Lithothamnion marlothii but soon (Heydrich, 1897a: 410) transferred it to Lithophyllum. Heydrich based the species on collections from several localities in South Africa but did not designate a type. Heydrich's main herbarium apparently has been destroyed (Stafleu & Cowan, 1979: 187; Hiepko, 1987: 230), but syntype material of L. marlothii occurs in TRH (678: 145). Because a lectotype has not been designated and studied in detail in a modern context, the status and disposition of the species are uncertain, as are the records from the West African region. Lithophyllum mildbraedii Pilger Annobon (455;457;500). Bioko (500). Cameroun (500). [As Pseudolithophyllum mildbraedii (Pilger) De Toni] Annobon (139). Bioko (350). Cameroun (350). Tropical Africa (N.Gambia-Congo river)' (598). '. . . only known from the eastern parts of the tropical Atlantic' (350; 386). Note. A detailed study of the type material (whereabouts uncer- tain; see Stafleu & Cowan, 1983: 265), collected at Annobon, has not been undertaken in a modern context, and thus the status and disposition of this species are uncertain as are records from the West African region. Lithophyllum oligocarpum Foslie See Porolithon onkodes (Heydrich) Foslie. Lithophyllum orbiculatum (Foslie) Foslie Salvage Islands (38B;231;375). 'Norway to Morocco: W. Mediterannean' (649). [As Pseudolithophyllum orbiculatum (Foslie) Lemoine] Salvage Islands (598). Note. A detailed study of the lectotype (678: 164), which comes from Kristiansund, Norway, has been undertaken by Chamberlain et al. (1991) who also noted confusions resulting from specimens being misidentified as Lithophyllum orbiculatum. Chamberlain et al. (1991: 161-162) did not confirm the occurrence of this species in the West African region, and all specimens on which published records from the area are based need to be checked to determine whether they are conspecific with the lectotype. Lithophyllum orotavicum Foslie See Neogoniolithon orotavicum (Foslie) Lemoine. Lithophyllum papillosum (Zanardini ex Hauck) Foslie Canaries (188;191;359;362;363;365). [As Dermatolithon papillosum (Zanardini) Foslie] Mauritanie (248). [As Goniolithon papillosum (Zanardini) Foslie] 64 D.M. JOHN ET AL Canaries (18;582). [As Titanoderma papillosum (Zanardini) Price, John & Law- son] Annobon (586). '. . . Gulf of Guinea region. . .' (586). Note. This species was originally described as Lithothamnion papillosum Zanardini ex Hauck (1883: 272, pi. 2, fig. 4) and has been lectotypified (272: 224) with a collection from Susak Island in the Adriatic Sea. The lectotype has been examined by Huve (272) and by Woelkerling (1988: 217-218). Further studies of the lectotype are required, however, to elucidate the reproductive anatomy of the species, to determine its status and disposition, and to determine the status and disposition of Goniolithon Foslie (1898a: 5), which is typified by G. papillosum (see Woelkerling, 1988: 217-218). Once these matters have been resolved, all specimens from the West African region ascribed to this species need to be checked to determine whether they are conspecific with the lectotype (see also 582: 25). Lithophyllum papillosum also was referred to by Price et al. (1986: 86) under Dermatolithon in a previous part of this series. Lithophyllum polycephalum Foslie Canaries (6;212;493). Cape Verde Islands (6;201;210;212;597). [As Lithophyllum (Dermatolithon) polycephalum (Foslie) Foslie] Canaries (191 ;362;363). Cape Verde Islands (363;674). [As Dermatolithon polycephalum (Foslie) Foslie] Canaries (227;366). Cape Verde Islands (139;366). [As Goniolithon polycephalum (Foslie) Afonso-Carrillo] Canaries (11 ;582). Cape Verde Islands (582). Note. Foslie (201) based this species on a collection from Sao Vincente, Cape Verde Islands. Although the holotype (678: 174) has been examined by Afonso-Carrillo (11: 139) and by Woelkerling & Campbell (1992: 22), a detailed study in a modern context has not been undertaken, and thus the status and disposition of this species are uncertain, as is the identification of specimens from the West African region. Lithophyllum polycephalum was also referred to by Price et al. (1986: 86) under Dermatolithon in a previous part of this critical assessment series. Lithophyllum polyclonum Foslie [As Dermatolithon polyclonum (Foslie) Foslie] Mauritanie (349). Note. Foslie (201: 18) based this species on a collection from the West Indies. The holotype (678: 175) has not been studied in detail in a modern context, and thus the status and disposition of this species are uncertain, as is the identification of the material from Mauritanie. Lithophyllum polydonium also was referred to by Price et al. (1986: 86) under Dermatolithon in a previous part of this series. Lithophyllum ponderosum Foslie See Lithothamnion ponderosum Foslie. Lithophyllum proboscideum (Foslie) Heydrich See Porolithon africanum (Foslie) Foslie, and 678: 176. Lithophyllum pustulatum (Lamouroux) Foslie Canaries (363) [As Lithophyllum (Dermatolithon) pustulatum (Lamouroux) Foslie] Canaries (109;354;356;359). Mauritanie (359). 'Cape Blanc, Senegal' (356). [As Dermatolithon pustulatum (Lamouroux) Foslie] Canaries (227;235;390;499;584). Cape Verde Islands (366;499) . 'Nordwestafrika' (499). [As Melobesia (Dermatolithon) pustulatum] Canaries (6). [As Melobesia pustulatum Lamouroux] Canaries (441 ;444;547). Cape Verde Islands (26;38;145;408). 'Du Nord de la Grande-Bretagne aux Canaries' (38;89). [As Lithophyllum pustulatum Lamouroux f . australis Foslie] Canaries (202;678). [As Dermatolithon hapalidioides (P. & H. Crouan) Foslie] Canaries (227;361;375;582). Salvage Islands (38B;375). [As Dermatolithon hapalidioides (P. & H. Crouan) Foslie f. confinis (P. & H. Crouan) Foslie] '. . . Atlantique (. . .Canaries. . .)' (33). [As Lithophyllum hapalidioides (P. & H. Crouan) Foslie] Canaries (188;191;356;362;363). [As Lithophyllum hapalidioides (P. & H. Crouan) Foslie var. confinis (P. & H. Crouan) Lemoine] Canaries (363). [As Dermatolithon nepalidioides (P. & H. Crouan) Foslie] Salvage Islands (231). Note. This species was originally described as Melobesia pustulata (331: 315). Woelkerling et al. (1985) lectotypified the species with a Lamouroux collection from France and provided a detailed account of the material. Additional data on the lectotype are provided by Chamberlain (1991, as Titanoderma ) and Woelkerling & Campbell (1992). These workers examined the types of Melobesia confinis P. & H. Crouan and M. hapalidioides P. & H. Crouan and concluded that they are heterotypic synonyms of Melobesia pustulata Lamouroux. Chamberlain (1991, as Titanoderma) recognized four distinct variet- ies from the British Isles, whereas Woelkerling & Campbell (1992: 90-94) found so many intermediate specimens in southern Australia that it seemed to them neither desirable nor advantageous to recognize distinct varieties. Specimens on which all published records of Lithophyllum pustulatum from the West African region are based need to be checked to determine whether they are conspecific with the lectotype (also see 576: 25). Foslie (202: 117) based Lithophyllum pustulatum f. australis on specimens from a number of localities including the Canary Islands. Woelkerling (678: 35) designated the Canary Islands specimen as lectotype and provided additional com- ments. The lectotype, however, has not been studied in detail in a modern context, and thus the status and disposition of this taxon are uncertain. Lithophyllum pustulatum was also referred to by Price et al. (1986: 86) under Dermatolithon. Entries in this earlier part of the series for Dermatolithon confinis, D. hapalidioides and D. nepalidio- ides also pertain to Lithophyllum pustulatum. Lithophyllum racemus (Lamarck) Foslie St. Helena (541). Note. This species was originally described as Millepora racemus (Lamarck, 1816: 203) and is based on material from 'les mers de la Guiane?' collected by Turgot. Turgot's material (whereabouts uncer- tain) has not been studied in detail in a modern context, and thus the status and disposition of this species is uncertain, as is the identifica- tion of the material from St. Helena. Additional notes on the name Lithophyllum racemus appear below in the entry for Mesophyllum brachycladum. RHODOPHYTA (FLORIDEAE) OF TROPICAL AFRICA 65 Lithophyllum retusum (Foslie) Foslie Cape Verde Islands (683). Ghana (6;211;350;535;586). Sao Tome (6;134;197;198;211;212;350;535;586). '. . . in tropical parts of the Atlantic ocean. . .' (350;586). [As L. retusum Foslie, forma] SaoTome(251;265). Note. Foslie (197: 15) first described this species as Lithotham- nion retusum, but later (681: 9) transferred it to Goniolithon Foslie and then (682: 18) to Lithophyllum (see also 669: 5). The species is based on a single collection from Sao Tome (Henriques no. 24, collected by M011er; see 197: 15). The holotype (678: 189), however, has not been examined in detail in a modern context and thus the status and disposition of the species are uncertain, as are records from the West African region. According to Steentoft (535), the Hariot (251: 164) and Henriques (265: 166) records of Lithophyllum retusum Foslie forma do not represent the same taxon. Several collections referred to by Steentoft (535) are represented in TRH (6: 43). Lithophyllum simile Foslie Sao Tome (6;211;212;350;535;586). '. . . in tropical parts of the eastern Atlantic Ocean' (350;586). Tropical Africa (N. Gambia - Congo river)' (598). Note. Foslie (211: 30) based Lithophyllum simile on a single collection from Sao Tome. A detailed study of the holotype (678: 201), however, has not been undertaken in a modern context, and thus the status and disposition of the species are uncertain, as is the identification of specimens from the West African region. Adey (669: 6) referred the holotype to Lithophyllum without comment. Lithophyllum solutum (Foslie) Lemoine See Lithothamnion solutum (Foslie) Lemoine. Lithophyllum subtenellum (Foslie) Foslie Sao Tome (6;190;251;265;350;586). '. . . widespread in warm temperate and tropical parts of the eastern Atlantic Ocean' (350;586). [As Lithothamnium subtenellum Foslie] Mauritanie (359). Sao Tome (356;535). Tropical Africa (N. Gambia - Congo river)' (598). [As Lithothamnium subtenellum (Foslie) Lemoine] Sao Tome (188). Note. A detailed study of the lectotype collection (678: 215; see also 669: 6), which comes from Guethary, France, has not been undertaken in a modern context, and thus the status and disposition of the species are uncertain, as is the identification of specimens from the West African region. Lithophyllum tortuosum (Esper) Huve See Tenarea tortuosa (Esper) Lemoine. Lithophyllum vickersiae Lemoine in B0rgesen Canaries (70;227;362;366;375;499;556;687). Cape Verde Islands (366;556). Senegal (366). '. . . Atlantique (. . .Senegal. . .Canaries)' (33). [As Lithophyllum incrustans] Canaries (70;493;547). [As Lithophyllum cf. vickersiae Lemoine] Salvage Islands (38B;556). Note. Determination based on external features only. [As Lithothamnium vickersiae Lemoine] Canaries (100;191). [As Pseudolithophyllum vickersiae (Lemoine in B0rgesen) Afonso-Carrillo] Canaries (11;18;582). Cape Verde Islands (598). 'southern limit in the Gulf of Guinea' [translation fom the Spanish] (582). 'Subtropical Africa [Senegal (N. of Gambia); Mauritania; Former W. Sahara]' (598). Note. Based on studies of the original Canary Islands collections of Lemoine (362: 42), Afonso-Carrillo (11: 139) decided that this species belonged to Pseudolithophyllum sensu Lemoine (1913). Sub- sequently, however, Woelkerling (1988: 103) concluded that Pseudo- lithophyllum sensu Lemoine (1913) is a heterotypic synonym of Lithophyllum, and thus L. vickersae is retained here in Lithophyl- lum. Afonso-Carrillo (11) did not designate a lectotype from amongst the seven collections cited in the protologue (362: 42), and he did not present a detailed account of the type material. Thus the status and disposition of the species are uncertain, as is the identification of specimens from the West African region. According to Lemoine (362: 42), some plants of L. vickersae had earlier been associated with L. incrustans (see listings above). Lithophyllum zostericolum See Pneophyllum amplexifrons . Lithophyllum spp. Cameroun (454). Canaries (212;229;230;301 ;302;304). Cape Verde Islands (652;683). Namibia (348). [As Lythophyllum sp.] Canaries (229;230). [As Dermatolithon sp.] Canaries (253;314;582). Note. Price et al. (1986: 86) also record Dermatolithon sp. in a previous part of this critical assessment series but provide no refer- ences. Lithoporella Foslie The concept of Lithoporella adopted in this paper follows Woelkerling (1988: 124-128). Historical data on the genus are summarized by Turner & Woelkerling (1982a, b), who also give an account of the lectotype species, L. melobesio- ides (Foslie) Foslie. A revised key to the genera of Masto- phoroideae, including Lithoporella, is provided by Penrose & Chamberlain (1993: 303). According to Turner & Woelker- ling (19826: 233) and Woelkerling (1988: 128), uncertainties surrounds the delimitation and circumscription of most spe- cies in the genus. Lithoporella atlantica (Foslie) Foslie See note to Lithoporella melobesioides (Foslie) Foslie. 66 D.M. JOHNETAL Lithoporella conjuncta (Foslie) Foslie Cape Verde Islands (139;366;597). Mauritanie (139;21 1 ;349;366;597). Senegal (597) [As Lithoporella (Eulithoporella) conjuncta Foslie] 'Atlantique africain' (371). [As Mastophora (Lithoporella) conjuncta Foslie] Cape Verde Islands (6;136;207). Mauritanie (6;136;207;210;212). Note. This species was originally described as Mastophora con- juncta Foslie (207: 30) and is based on collections from Cap Blanc, West Africa and Sao Vincente, Cape Verde Islands. Subsequently, Foslie (211: 59) transferred the species to Lithoporella, and Adey (669: 15) lectotypified it with the Cap Blanc collection. A detailed study of the lectotype (678: 61) has not been undertaken in a modern context, and thus the status and disposition of the species are uncertain, as is the identification of specimens from the West African region. Lithoporella melobesioides (Foslie) Foslie Cape Verde Islands (366;598). Mauritanie (366). 'Pantropical' (366). 'Subtropical Africa [Senegal (N. of Gambia); Mauritania; Former W. Sahara]. . .' (598). Note. The lectotype collection (678: 148), from South Nilandu, Maldive Islands, has been studied in detail by Turner & Woelkerling (1982fl, b), who also provided an account of the species in southern Australia. All records of this species from the West African region require confirmation. Errors associated with the typification of L. melobesioides are indicated by Woelkerling (678: 148). Lithoporella sauvageaui (Foslie) Adey Canaries (18;582;598). Cape Verde Islands (582;598). [As Fosliella (Litholepis) sauvageaui (Foslie)] Canaries (191). [As Litholepis sauvageaui Foslie] Canaries (6;139;203;204;227;366;368;493;678;687). Cape Verde Islands (366;368). [As Melobesia (Litholepis) sauvageaui Foslie] Canaries (70;359;362). Cape Verde Islands (100;633). [As Melobesia sauvageaui Foslie] Canaries (235). Note. This species was originally described as Litholepis sau- vageauii Foslie (203: 6) and is based on a single collection (678: 195) from Puerto Orotava, Tenerife, Canary Islands. Subsequently, the species was transferred to Melobesia (363: 66) and then to Litho- porella (669: 15). There has been no detailed study of the holotype in a modern context, and thus the status and disposition of the species are uncertain, as is the identification of specimens from the West African region. Lithothamnion Heydrich, 1897a: 412, nom. cons.; non Lithothamnium Philippi, 1837: 387. The concept of Lithothamnion adopted in this paper follows Woelkerling (1988: 169). The taxonomic history of Lithothamnion Heydrich and of Lithothamnium Philippi are summarized by Woelkerling (1983a), who proposed (Woelk- erling, 19856) the conservation of Lithothamnion Heydrich with L. muelleri Lenormand ex Rosanoff as type species. This proposal has been approved and incorporated into the Inter- national code of botanical nomenclature (Greuter , 1988: 116). Further data on the nomenclature and infrageneric classifica- tion are summarized by Woelkerling (1988: 173-175) who also noted that no world monograph of the genus has been published and that species concepts are poorly known. In the literature, the spellings Lithothamnion and Lithothamnium are both widespread. As the correct orthography is now Lithothamnion, all entries are made under that spelling. Lithothamnion amplexifrons (Harvey) Lemoine See Lithophyllum amplexifrons (Harvey) Foslie. Lithothamnion angolense Romanes Angola (139;370;677). Note. Lithothamnion angolense is based on fossil material from four localities (677: 584). A detailed study of the type material (whereabouts uncertain) has not been undertaken in a modern context, and thus the status and disposition of this species are uncertain. Lithothamnion antarcticum (Hooker f . & Harvey) Heydrich See note to Mesophyllum ectocarpon (Foslie) Adey. Lithothamnion bisporum Foslie See Phymatolithon bisporum (Foslie) Afonso-Carrillo and notes under Lithothamnion hispanum Foslie ex Gonzalez Henriques. Lithothamnion bornetii Foslie Canaries (227; 598). Note. This species originally was described as Lithothamnion bornetii Foslie (18986: 9). Subsequently, Adey (669: 30) transferred the species to Leptophytum (see comments on Leptophytum under the entry for that genus), but then Adey & Adey (1973: 347, as Lithothamnion ) indicated that the species was either a Leptophytum or a Phymatolithon and that it occurred in France, Spain, and the British Isles. Parke & Dixon (1976: 534) then placed the species in Phymatolithon while South & Tittley (1986: 44) made the combina- tion Phymatolithon bornetii (Foslie) Foslie. Foslie never placed this species in Phymatolithon, and the binomial Phymatolithon bornetii coined by both Parke & Dixon (1976) and South & Tittley (1986) is invalid because a full reference to the basionym was not made in accordance Article 33.2 of the International code of botanical nomen- clature (see Greuter, 1988). Chamberlain (1990, as Leptophytum} provided an account of British Isles material and of an isotype from France in PC. Chamberlain (1990) also reported that some specimens from France identified as 'bornetii' by Lemoine were misidentified plants of Phymatolithon purpureum (P. & H. Crouan) Woelkerling & L. Irvine, and she was unable to confirm the French and Spanish records of Adey & Adey (1973). Information on the holotype is provided by Chamberlain (1990) and Woelkerling (678: 41). Records of this species from the Canary Islands require confirmation, and the generic placement of the species requires further evaluation once the status of Leptophytum as a genus is clarified. Lithothamnion brachycladum Foslie See Mesophyllum brachycladum (Foslie) Adey. RHODOPHYTA (FLORIDEAE) OF TROPICAL AFRICA Lithothamnion brassica-floridum (Harvey) Areschoug See Neogoniolithon brassica-florida (Harvey) Setchell & Mason. Lithothamnion calcareum (Pallus) Areschoug See Phymatolithon calcareum (Pallus) Adey & McKibbin. Lithothamnion californicum Foslie See note on Phymatolithon tenuissimum (Foslie) Adey. Lithothamnion canariense Foslie See Mesophyllum canariense (Foslie) Lemoine. Lithothamnion capense (Rosanoff) Foslie See Lithophyllum capense Rosanoff. Lithothamnion corallioides P. & H. Crouan Canaries (15;18;582;648). Cape Verde Islands (582). Note. P. & H. Crouan (1867: 151, pi. 20, gen. 133, figs 8-10) based Lithothamnion corallioides on material from Brest, France. The type material has not been studied in detail in a modern context and thus the status and disposition of this species are uncertain, as is the identification of specimens from the West African region. Lithothamnion corticiformis (Kiitzing) Foslie See Melobesia membranacea Kiitzing. Lithothamnion crassum Philippi See Lithophyllum duckeri Woelkerling. Lithothamnion crispatum Hauck Mauritanie (356). [As Lithothamnium Philippii Foslie = L. crispatum Hauck] Mauritanie (354). Note. Hauck (1878: 289) based Lithothamnion crispatum on specimens from Rovigno in the Adriatic Sea. Subsequently, Hauck (1883: 270) transferred the species to Lithophyllum. Foslie (1898a) then transferred the species to Archaeolithothamnion, but later (Foslie, 1904: 13) reclassified it as Lithothamnion philippii f. crispata (Hauck) Foslie. There has been no detailed study of the type material in a modern context, and thus the status and disposition of the species is uncertain, as noted by Athanasiadis (668: 41). Once such a study is undertaken, the specimens from Mauritanie need to be checked to determine whether they are conspecific with the type. Lithothamnion ectocarpon Foslie See Mesophyllum ectocarpon (Foslie) Adey. Lithothamnion erubescens Foslie See Mesophyllum erubescens (Foslie) Lemoine. Lithothamnion floridanum Foslie See Mesophyllum floridanum (Foslie) Adey. 67 Lithothamnion fruticulosum (Kiitzing) Foslie See Spongites fruticulosum Kiitzing. Lithothamnion hispanum Foslie ex Gonzalez Henriques Canaries (598). [As Lithothamnion hispanum Foslie] Canaries (235). Note. Gonzalez Henriques (235) listed this entity from the Canary Islands and attributed the specific epithet to Foslie. As far as can be determined, however, neither Foslie (see 678) nor other earlier authors have described a species with the specific epithet hispanum, and thus the epithet appears to be newly coined by Gonzalez Henriques (235). The account of Gonzalez Henriques (235) lacks a description, and consequently, Lithothamnion hispanum must be considered a nomen nudum. It is possible that Gonzalez Henriques (235) was referring to Lithothamnion bisporum (treated in this series under Phymatolithon), a species based on type material from the Canary Islands (678: 39), but this cannot be confirmed. Lithothamnion incrustans Philippi See Lithophyllum incrustans Philippi. Lithothamnion indicum Foslie Mauritanie (6). Note. A detailed study of the lectotype collection (678: 125), which comes from Corner Inlet, Victoria, Australia, is presently being undertaken in conjunction with monographic studies of non- geniculate corallines in southern Australia. Until that study is com- pleted, the status and disposition of the species will remain uncertain. Once the study of the lectotype is complete, the specimen on which the record from Mauritanie is based needs to be checked to deter- mine whether it is conspecific with the lectotype. Lithothamnion irregulare Foslie See Lithophyllum irregulare (Foslie) Huve ex Steentoft. Lithothamnion lenormandii (Areschoug) Foslie See Phymatolithon lenormandii (Areschoug) Adey. Lithothamnion lichenoides Heydrich See Mesophyllum lichenoides (Ellis) Lemoine. Lithothamnion mamillare (Harvey) Areschoug See Neogoniolithon mamillare (Harvey) Setchell & Mason. Lithothamnion mamillosum Hauck See Neogoniolithon mamillosum (Hauck) Setchell & Mason. Lithothamnion membranaceum (Esper) Foslie See Melobesia membranacea (Esper) Lamouroux. Lithothamnion onkodes Heydrich See Spongites onkodes (Heydrich) Penrose & Woelkerling and the entry for Porolithon. 68 D.M. JOHNETAL Lithothamnion orbiculatum Foslie See Lithophyllum orbiculatum (Foslie) Foslie. Lithothamnion philippi Foslie Canaries (6;204;227;356;363;493;594;598). Mauritanie (6;354;359). Senegal (248). 'Subtropical Africa [Senegal (N. of Gambia); Mauritanie; Former W. Sahara]' (598). [As Mesophyllum philippi) (Foslie) Adey] Canaries (18). Note. The complex nomenclatural history of this species is explained by Woelkerling (678: 171), who designated a new lectotype from the Gulf of Naples, Italy. The lectotype, however, has not been studied in detail in a modern context, and thus the status and disposition of this species are uncertain, as is the identification of specimens from the West African region. Afonso-Carrillo et al. (576: 25, as Mesophyllum ) commented that previous references to the taxon from the Canaries are doubtful and require confirmation. Lithothamnion polymorphum auctorum See entries for Phymatolithon purpureum (P. & H. Crouan) Woelkerling & L. Irvine and Phymatolithon calcareum (Pal- las) Adey & McKibbin. Lithothamnion ponderosum Foslie Sao Tome (197;265). Note. Foslie (197: 15) based this species on a specified collection from Sao Tome. Subsequently Foslie (211: 42) considered Lithothamnion ponderosum to be conspecific with Lithophyllum africanum Foslie (199: 3) but incorrectly adopted the 1900 epithet africanum rather than the 1897 epithet ponderosum. Steentoft (535: 128, under Lithophyllum africanum f. intermedia}, provides some additional comments on the Sao Tome material, but the holotype (678: 175) has not been studied in detail in a modern context and thus the status and disposition of the species are uncertain. Lithothamnion racemus (Lamarck) Areschoug See notes under Mesophyllum brachydadum (Foslie) Adey. Lithothamnion solutum (Foslie) Foslie Cape Verde Islands (6;210). Mauritanie (6;252;356). [As Lithophyllum solutum (Foslie) Lemoine] Mauritanie (248;359;360;556). Salvage Islands (38B;556). [As Mesophyllum solutum (Foslie) Lemoine] Cape Verde Islands (366;598). Mauritanie (349;366). Salvage Islands (598). 'Subtropical Africa [Senegal (N. of Gambia); Mauritania; Former W. Sahara]' (598). Note. A detailed study of the lectotype collection (678: 203, as Lithothamnion fruticulosum f. soluta Foslie) has not been undertaken in a modern context and thus the status and disposition of this taxon are uncertain, as is the identification of specimens from the West African region. This taxon was originally described as Lithothamnion fruticulosum f. soluta Foslie (1904: 7). Subsequently it was raised to species status [as Lithothamnion solutum (Foslie) Foslie (204: 14)], then transferred to Lithophyllum solutum (Foslie) Lemoine (356: 13), and later transferred to Mesophyllum solutum (Foslie) Lemoine (366: 238; see also 349: 115). The binomial Mesophyllum solutum is invalid because the combination was proposed without a full, direct reference to its basionym (Article 33.2 of the International Code of Botanical Nomenclature; see Greuter, 1988). Lithothamnion sonderi Hauck Canaries (177;191;227;362;365;375;582;584;598;631;649). '. . . cotes atlantique d'Europe (de la Norvege aux Canaries)' (188). Note. A detailed study of the type collection, which comes from Helgoland, Germany has been undertaken by Chamberlain (631), who also provides data on the species in the British Isles. Specimens on which published records for the West African region are based need to be checked to determine whether they are conspecific with the type. Lithothamnion subtenellum Foslie See Lithophyllum subtenellum (Foslie) Foslie. Lithothamnion tenuissimum Foslie See Phymatolithon tenuissimum (Foslie) Adey. Lithothamnion vickersiae Lemoine See Lithophyllum vickersiae Lemoine in B0rgesen. Lithothamnion spp. Angola (312). Cape Verde Islands (114;145;366). Ghana (335;350;487;586). Namibia (348;437;438). Western Sahara (349;476). Lithothamnium In the literature, the spellings Lithothamnion and Lithotham- nium both are widespread. As the correct orthography is now Lithothamnion, all entries are made under that spelling. Lomentaria articulata (Hudson) Lyngbye Canaries (2; 3; 8; 16; 38D; 70; 71; 191; 214; 226; 227; 229; 235; 375; 379; 392; 489; 490; 499; 517; 584; 598; 633). Cameroun(239;350;454;500;586;591). Salvage Islands (38B;38D;231;598). Western Sahara (349). '. . . Atlantique (de la Norvege au Rio de Oro). . .' (33). '. . . Atlantique: depuis les cotes anglaises jusqu'au Rio de Oro. . .' (222). 'A Boreal-Atlantic alga' (2). '. . . Atlantique Nord (des Feroe aux Canaries). . .' (189). '. . . Atlantischer Ozean von den Faroer an siidwarts bis Westindien und Westafrika. . .' (499). '. . . Atlantico norte (de Faeroes a Canarias)' (517). '. . . Faeroes southwards to Morocco and the Canary islands. . .' (70). '. . . Nordwestafrika' (499). '. . . Norway (Nordland) to Cameroun; Canary Isles. . .' (273). '. . . Tropical Africa (N. Gambia- Congo river)' (598). '. . . West Kuste Afrikas' (239). '. . . widespread from boreal-antiboreal to tropical seas' (350;586). RHODOPHYTA (FLORIDEAE) OF TROPICAL AFRICA [As Chylodadia articulata Greville] Canaries (439). '. . . den atlantischen - Cap Inseln. . .' (239). [As Lomentaria articulata Lyngbye] Canaries (44;547). [As Lomentaria articulata (Lightfoot) Lyngbye] Canaries (401). Note. Yarish et al. (591: 217-218) have commented upon the significance of the ill-supported Cameroun statements. Lomentaria bailey ana (Harvey) Farlow Canaries (598;667). Mauritanie (Cap Blanc) (516; 565 A). 'Subtropical Africa [Senegal (N. of Gambia); Mauritania; Former W. Sahara]' (598). [As Lomentaria bayleyana (Harvey) Farlow] Mauritanie (349). Note. In view of Bodard & Mollion's (59) records from Senegal, it is possible that these records (or even the whole taxon) should be transferred to (or referred to by the name of) Lomentaria uncinata Meneghini. See notes under Lomentaria uncinata. Cribb (113: 71-72) indicated the dichotomy of opinion that exists for the relationship of L. baileyana and L. uncinata, some authors considering them conspe- cific, others distinct. Lomentaria exigua De Notaris See Chylodadia reflexa Lenormand. Lomentaria fastigiata Kiitzing Sao Tome (132;323). Note. Doubt expressed by De Toni (132) related to the possibility that this was the western Atlantic island, not that in the Gulf of Guinea. Included for completeness, since the situation is unclear. Lomentaria fir ma (J. Agardh) Berthold Senegal (59;399). 'Subtropical Africa [Senegal (N. of Gambia); Mauritania; Former W. Sahara]' (598). [As Lomentaria firma (J. Agardh) Kylin] Senegal (531). Note. See Lomentaria sp.l. Bodard & Mollion (59: 200) com- mented as follows: '. . . Les deux Lomentaria sont plus originaux et leur determination a ete delicate. Pour le premier nous avons trouve dans 1'herbier Thuret un Chondria provenant de 1'ile de Goree (Herbier Le Prieur) sans determination mais groupe avec le Lomen- taria firma Berthold (Chylodadia firma J. Ag.). Cette espece pre"- sente de nombreux synonymes, elle correspond au L. firma Kiitz. Tab. Phyc. XV, t. 78 et vraisemblablement au Chondrothamnion irregulare Kiitz. Tab. Phyc. XV, t. 82, decrite de la Mediterranee, elle se retrouve au Maroc dans 1'herbier Schousboe, des echantillons Zanardini sont egalement de la meme espece et proches des notres, c'est done une espece africano-mediterraneene . . . les deux Lomen- taria sont irreguliers au Senegal'. Lomentaria impudica Montagne See Catenella impudica (Montagne) J. Agardh. Lomentaria kaliformis sine auctorum See Chylodadia verticillata (Lightfoot) Batters. 69 Lomentaria linearis (Zanardini) Zanardini Canary Islands (Prud'homme van Reine, unpublished; col- lected during trip of Helgoland research vessel 'Heincke' to the Canaries). Lomentaria ovalis (Hudson) J. Agardh See Gastrodonium ovatum (Hudson) Papenfuss. Lomentaria parvula C. Agardh See Champia parvula (C. Agardh) Harvey. Lomentaria patens Kiitzing Namibia (128). Note. By straightforward nomenclatural synonymy, this record of a single plant would probably have represented Chylodadia verticil- lata (Lightfoot) Bliding (q.v.). However, from this named location, the presence of that species as currently conceived is not credible. In regard to a similar report by the same authors from South Africa, Seagrief (570) has commented '? synonym of Chylodadia capensis Harvey. . .' and the same comments could even more realistically be made here for Namibia. Lomentaria pygmaea auctorum See Gastrodonium reflexum (Chauvin) Kiitzing. Lomentaria reflexa Chauvin See Gastrodonium reflexum (Chauvin) Kiitzing. Lomentaria subdichotoma Ercegovic Canaries (648). Lomentaria uncinata Meneghini in Zanardini Senegal (59). '. . . cotes occidentales d'Afrique et aux Canaries. . .' (184). Note. See Lomentaria sp. 2. Bodard & Mollion (59: 200) com- mented as follows: '. . . Les deux Lomentaria sont plus originaux et leur determination a ete delicate. . . La seconde est Lomentaria uncinata Menegh. (1840) dont le synonyme principal est L. baileyana . . . Farlow dont les varietes S et - sont identiques a 1'espece L. uncinata. Cette espece peut-etre considered comme une tropicale atlantique. Ces deux Lomentaria sont irreguliers au Senegal'. See also notes under L. baileyana. Boudouresque et al. (1984: 45) incorrectly cited the authorities for this taxon as (Meneghini ex Kiitzing) Farlow. Lomentaria uvaria (Wulfen) Duby See Botryodadia botryoides (Wulfen) J. Feldmann. Lomentaria sp. Senegal (529). Note. Sourie (529: 108) recorded it in his list as 'Lomentaria n. sp. Feldm.' and in his notes (p. 116) as 'encore non decrit par J. Feldmann'. Lomentaria sp.l. Senegal (55). Note. See notes under Lomentaria firma (J. Agardh) Berthold. 70 Lomentaria sp.2. Senegal (55). Note. See Lomentaria uncinata Meneghini. Lophocladia trichoclados (C. Agardh) Schmitz Annobon (139;292;456;457). Canaries ( 128 A ; 139 ;292 ;633 ;634 ;648 ;662) . Ghana (290;292;299;300;350;376;377;491 ;586). Principe (139;350;586). Sierra Leone (30;350;586). '. . . widespread in warm temperate and tropical seas..' (292?;350;586). [As Lophocladia trichoclados (Mertens in C. Agardh) Schmitz] Canaries (71;227;303;598;648). Cape Verde Islands (598). Principe (93). Sao Tome (93). Tropical Africa (N. Gambia - Congo river)' (598). [As Lophocladia trichoclados (Mertens) Schmitz] Canaries (13;38D;191;226;375). [As Dasya trichoclados J. Agardh] Canaries (439;547). Lophosiphonia adhaerens Pilger Annobon (139 ;295 ;350 ;456 ;457 ;586) . ?Sierra Leone (295). St. Helena (655). Note. See Lophosiphonia spp. for possible Sierra Leone records. Lophosiphonia cristata Falkenberg Ascension Island (474). Canaries (38B;634;657). Salvage Islands (38B;598;657). [As Lophosiphonia cf. cristata Falkenberg] Canaries (38C). Note. Audiffred (38C: 179-180) indicated that his specimens did not have the usual hooked apices of branchlets associated with L. cristata, nor did the rhizoids remain in open connection with the pericentrals. He debated the wide variation in reported numbers of pericentral cells in Lophosiphonia (4-18 according both to species and author); his own specimens had 9 pericentrals. The difficulties in distinguishing between sterile Lophosiphonia and Polysiphonia were indicated. Lophosiphonia obscura (C. Agardh) Falkenberg in Engler & Prantl See under Lophosiphonia reptabunda (Suhr) Kylin. Lophosiphonia reptabunda (Suhr in Kiitzing) Kylin Angola (352). Ascension (475). Bioko (346;350;586). Cameroun (350;586). Canaries (38B;38C;38D;54;110;556;598;662;684). Cape Verde Island (598). Cote d'lvoire (350;586). Gabon (350;586). Ghana (288;350;586). Salvage Island (38B;38C;38D;556;598). D.M. JOHNETAL Sierra Leone (350;586). St. Helena (655). 'Atlantique (de 1'Angleterre aux Canaries. . .)' (33). '. . .in warm temperate and tropical parts of the Atlantic. . .' (350;586). '. . .on many rocky shores of West Africa. . .' (347 A). Tropical Africa (N. Gambia - Congo river)' (598). '. . . warmer parts of the Atlantic Ocean. . .' (71). [As Lophosiphonia reptabunda (Kiitzing) Kylin] Angola (298). Gabon (295). Sierra Leone (295). [As Lophosiphonia reptabunda Kylin] Canaries (489;517). [As Lophosiphonia reptabunda (Suhr in Kiitzing) Cribb] Canaries (110). [As Lophosiphonia obscura J. Agardh] '. . . cotes occidentale d'Afrique et aux Canaries. . .' (184). [As Lophosiphonia obscura (C. Agardh) Falkenberg] Cameroun (337;537). Canaries (108;227;375;482;584). Cape Verde Islands (38). Ghana (153;338;487). '. . . in den warmeren Teilen des Atlantischen Ozeans. . .' (501). '. . . warmer parts of the Atlantic Ocean' (62). [As Lophosiphonia obscura Falkenberg] Canaries (190). [As Lophosiphonia obscura auct., Howe] Canaries (71;191;310). '. . . in warmer parts of the Atlantic Ocean. . .' (71). [As Lophosiphonia sp.] Ascension Island (474). Sierra Leone (339). [As Polysiphonia obscura J. Agardh] Cape Verde Islands (38;145). '. . . au sud de 1'Angleterre aux Canaries. . .' (38;89). [As Polysiphonia reptabunda Suhr] 'Ad oras africanas' (321). '. . . In mari atlantico subtropico ad Alga parasitica. . .' (318). Note. Erroneously recombined by Jaasund (280: 411) as Lopho- siphonia reptabunda (Suhr) nov. comb, who seemed to be unaware of the fact that both Cribb and Kylin had carried out such recombina- tion independently in 1956. Of these it appears that Kylin (281) antedated Cribb (110) who discussed (p. 140-141) its nomenclature. Kapraun et al. (310: 890-891) discussed the validity of records by B0rgesen (71) from the Canaries, considering that the material concerned could not represent Lophosiphonia obscura and is prob- ably a species of Polysiphonia. It would appear that Lophosiphonia obscura as such occurs north of the area considered here. Lophosiphonia scopulorum (Harvey) Womersley Canaries (633;634;648). Salvage Islands (38B; 556). Note. See also Polysiphonia scopulorum Harvey. Lophosiphonia v ilium (J. Agardh) Setchell & Gardner See Polysiphonia scopulorum Harvey var. villum (J. Agardh) Hollenberg. RHODOPHYTA (FLORIDEAE) OF TROPICAL AFRICA 71 Lophosiphonia spp. Ascension (474) (probably in the main referable to L. rept- abunda). Cameroun (460). Cape Verde Island (652). Ghana (299;376;377). Senegal (529). Sierra Leone (295;339;350;468;586). Note. The Lophosiphonia material referred to in 339 and 460 may well be L. reptabunda but the specimens cannot now be traced. The species referred to in 350 and 586 closely resembles the little-known L. adhaerens Pilger (456). Lophura episcopalis (Montagne) Kutzing See Halopitys incurvus (Hudson) Batters. Lythophyllum calcareum (Pallas) Areschoug See Phymatolithon calcareum (Pallas) Adey & McKibbin. Lythophyllum sp. (geometricum?) Lemoine See Lithophyllum geometricum Lemoine and Dermatolithon geometricum (Lemoine in B0rgesen) Price, John & Lawson. Lythophyllum sp. See Lithophyllum sp. Mastocarpus stellatus (Stackhouse in Withering) Guiry in Guiry, West, Kim & Masuda. Canaries (598;633;634;657). '. . . from northern Russia south to Portugal and from Morocco south possibly to Rio de Oro, Mauritania. . .' (245;657). [As Gigartina stellata (Stackhouse in Withering) Batters] Canaries (13;227). Mauritanie (349). Western Sahara (349). '. . . Atlantique (de 1'Arctique au Rio de Oro)' (33). '. . . Atlantique: depuis la Scandinavie jusqu'au Rio de Oro. . .' (222). 'Circumboreale,. . . de 1'Arctique aux Cotes Atlantique d'Europe et d'Afrique jusqu'a la Mauritanie. . .' (173) Note. The distributional statement in 657 is reproduced directly from Guiry et al. (245). Afonso-Carrillo et al. (657: 289) present the first report from the Canaries of what is probably the Petrocelis cruenta phase (the sporophyte) of M. stellatus; unfortunately, the material was sterile. Mastophora Decaisne The concept of Mastophora adopted in this paper follows Woelkerling (1988: 129-133) who provides nomenclatural and systematic data on the genus. Historical data on the genus are summarized by Turner & Woelkerling (1982a, b), who also give an account of the lectotype species, M. licheniformls Decaisne [a heterotypic synonym of M. rosea (C. Agardh) Setchell]. A revised key to the genera of Mastophoroideae, including Mastophora, is provided by Pen- rose & Chamberlain (1993: 303). According to Turner & Woelkerling (I982b: 233) and Woelkerling (1988: 133), uncertainties surrounds the delimitation and circumscription of most species in the genus. Mastophora conjuncta Foslie See Lithoporella conjuncta (Foslie) Foslie. Mastophora melobesioides Foslie See Lithoporella melobesioides (Foslie) Foslie. Melobesieae Certain records have been omitted on the grounds of impon- derability. An example is the organism(s) referred to by Viero y Clavijo (548) under the name Bellaria Lapidea Canariensia. Martin Aguado (386), in analysing the treat- ments of algae by Viero y Clavijo (548), concluded that melobesioids were being referred to in this entry, otherwise headed 'Confites', but that it was not possible to be more precise than 'subfamilia Melobesieae'. Melobesia Lamouroux The concept of Melobesia adopted in this paper follows Woelkerling (1988: 186-191), who also provides information on the nomenclatural and taxonomic history of the genus. Many species that at some stage were ascribed to Melobesia are now placed in other genera. Melobesia amplexifrons Harvey See Pneophyllum amplexifrons. Melobesia brassica-florida Harvey See note to Neogoniolithon brassica-florida (Harvey) Setchell & Mason. Melobesia callithamnioides sensu Falkenberg See references for Melobesia callithamnioides under Fosliella farinosa (Lamouroux) Howe. Note. Chamberlain (1983: 351-352) provided a detailed historical account of Melobesia callithamnioides sensu Falkenberg and con- cluded that Melobesia callithamnioides sensu Falkenberg was conspe- cific with Fosliella farinosa (Lamouroux) Howe [=Hydrolithon farlnosum (Lamouroux) Penrose & Chamberlain]; see Penrose & Chamberlain, 1993], where she treated it as a distinct variety under the name Fosliella farinosa f. callithamnioides (Foslie) Chamberlain. Chamberlain (1983: 352), however, was unable to confirm this placement by comparative examination of type material and indeed did not designate a lectotype. Until a lectotype is designated and studied in detail in a modern context, the status and disposition of Fosliella farinosa f. callithamnioides (Foslie) Chamberlain will remain uncertain, as will records of this taxon from the West African region. Melobesia confervicola (Kutzing) Foslie See Pneophyllum confervicolum (Kutzing) Chamberlain. Melobesia confinis P. & H. Crouan See Lithophyllum pustulatum (Lamouroux) Foslie. 72 D.M. JOHNETAL Melobesia corallinae P. &. H. Crouan See Lithophyllum corallinae (P. & H. Crouan) Heydrich. Melobesia corticiformis Kiitzing See Melobesia membranacea (Esper) Lamouroux. Melobesia cystoseirae Hauck See Lithophyllum cystoseirae (Hauck) Heydrich. Melobesia farinacea Lamouroux See Fosliella farinosa (Lamouroux) Howe. Note. Based on a comparative study of relevant type and other collections, Penrose & Chamberlain (1993) have concluded that the genus Fosliella, which is typified by F. farinosa, is a heterotypic synonym of Hydrolithon, and they have transferred Lamouroux's species to that genus, as Hydrolithon farinosum (Lamouroux) Pen- rose & Chamberlain. Melobesia farinosa Lamouroux See Fosliella farinosa (Lamouroux) Howe and note under Melobesia farinacea Lamouroux. Melobesia lejolisii Rosanoff See Pneophyllum lejolisii (Rosanoff) Y. Chamberlain. Melobesia mamillaris Harvey See Neogoniolithon mamillare (Hauck) Setchell & Mason. Melobesia membranacea (Esper) Lamouroux Canaries ( 191 ;227 ;232B ;439 ;441 ;582 ;584 ;598 ;633 ;634) . Cape Verde Islands (408;598). Mauritanie (252;349;439;441). Salvage Islands (598). '. . . regions temperees et chaudes de 1'Atlantique. . .' (188). 'Subtropical Africa [Senegal(N. of Gambia); Mauritania; Former W. Sahara]' (598). [As Melobesia membranacea (Esper) Foslie] Cape Verde Islands (408). [As Melobesia membranacea Lamouroux] Cape Verde Islands (38). Congo (249;250). [As Melobesia corticiformis Kiitzing] Canaries (547). Cape Verde Islands (41;42). [As Epilithon membranaceum (Esper) Heydrich] Angola (541). Canaries (70;3 14 ;354;356 ;359 ;362 ;363 ;5 17 ;624) . Cape Verde Islands (366). Congo (356). Mauritanie (356;359). Salvage Islands (38B;231;375). Senegal (356). '. . . optima verio in mari atlantico ab oris Norvegiae usque ad promontorium Cap b. spei. . .' (25). '. . . regions temperees et chaudes de 1'Atlantique. . .' (355). [As Lithothamnion membranaceum (Esper) Foslie] Cape Verde Islands (252). Mauritanie (252). Senegal (252). '. . .in oceano Atlantico ab oris Norvegiae usque ad promon- torium Capitis Bonae Spei Africae australis. . .' (134). 'Nordwestafrika' (499). Note. This species originally was described as Corallina mem- branacea Esper (1806: Corallina Tab. XII). Esper (1806) did not indicate the locality from which his material came, but subsequently (1830: 363, as Melobesia) stated that the species occurred on the western shores of France and probably in other regions. Lamouroux (1812: 186) transferred the species to his new genus Melobesia, and as noted by Mason (1953: 319), Chamberlain (1985: 673) and Woelker- ling (1988: 189), M. membranacea (Esper) Lamouroux must be considered the type species of Melobesia. The species also has been placed in Epilithon (Heydrich, 1897a: 408) and in Lithothamnion (681: 7). Chamberlain (1985) neotypified the species with a Lamour- oux specimen (CN); accounts of the neotype are provided by Chamberlain (1985) and Wilks & Woelkerling (1991), the latter in conjunction with a monographic account of southern Australian species of Melobesia. Specimens on which published records for the West African region are based now need to be checked to determine whether they are conspecific with the neotype. Chamberlain (1983: 300, 306) concluded from studies of the type of Melobesia corticifor- mis Kiitzing that it was a heterotypic synonym of Melobesia mem- branacea. References to Melobesia corticiformis above are based on comments of Lemoine (363: 29) who indicated that these specimens were misidentified plants of M. membranacea (as Epilithon ). Melobesia minutula Foslie See Pneophyllum confervicolum (Kiitzing) Y. Chamberlain. Melobesia pustulata Lamouroux See Lithophyllum pustulatum (Lamouroux) Foslie. Melobesia sauvageauii Foslie See Lithoporella sauvageaui (Foslie) Adey. Melobesia solmsiana Falkenberg See references for Melobesia solmsiana under Fosliella fari- nosa (Lamouroux) Howe. Note. Chamberlain (1983: 351-352) concluded that Melobesia solmsiana Falkenberg was conspecific with Fosliella farinosa (Lam- ouroux) Howe [= Hydrolithon farinosum (Lamouroux) Penrose & Chamberlain; see Penrose & Chamberlain, 1993] and treated it as a distinct form under the name Fosliella farinosa f. callithamnioides (Foslie) Chamberlain. Chamberlain (1983: 352), however, was unable confirm this placement by comparative examination of type material and indeed did not designate a lectotype. Until a lectotype is chosen and studied in detail in a modern context, the status and disposition of Melobesia solmsiana Falkenberg and Fosliella farinosa f. callithamnioides (Foslie) Chamberlain will remain uncertain, as will records of this taxon from the West African region. Melobesia solmsii Bornet ex Lemoine Canaries (356). Note. Melobesia solmsii is an herbarium name of Bornet that was first published by Lemoine (354: LXIV), who suggested that Bornet's plants were the same as plants identified by Falkenberg as Melobesia callithamnioides . Subsequently, Lemoine (356: 26) recorded Melobe- sia solmsii from various regions, including the Canary Islands. The Canary Islands record was listed in Price et al. (1986: 92) under their entry for Fosliella farinosa. The nomenclatural history of Melobesia callithamnioides sensu Falkenberg (1879) has been summarized by Chamberlain (1983: 352), who noted that Falkenberg (179: 109) subsequently described his material as a new species, Melobesia RHODOPHYTA (FLORIDEAE) OF TROPICAL AFRICA 73 solmsiana. Given these facts, Melobesia solmsii Bornet ex Lemoine must be interpreted as a homotypic synonym of Melobesia solmsiana Falkenberg. Chamberlain (1983: 351-352) concluded that Melobesia solmsiana Falkenberg was conspecific with Fosliella farinosa (Lam- ouroux) Howe [=Hydrolithon farinosum (Lamouroux) Penrose & Chamberlain); see Penrose & Chamberlain, 1993] and treated it as a distinct variety under the name Fosliella farinosa L callithamnioides (Foslie) Chamberlain. Chamberlain (1983: 352), however, was unable to confirm this placement by comparative examination of type material and indeed did not designate a lectotype. Until a lectotype is chosen and studied in detail in a modern context, the status and disposition of Melobesia solmsiana Falkenberg (including M. solmsii Bornet ex Lemoine) and Fosliella farinosa f. callithamnioides (Foslie) Chamberlain will remain uncertain, as will records of this taxon from the West African region. Melobesia stictaeformis Areschoug Salvage Islands (439). Note. Areschoug (1852: 517) based this species on a collection from the Mediterranean. A detailed study of the type (presumably in LD), however, has not been undertaken in a modern context, and thus the status and disposition of this species are uncertain, as is the record from the Salvage Islands. Meredithia microphylla (J.Agardh) J.Agardh Canaries (227;598;661). Cape Verde Islands (598). [As Callymenia microphylla J. Agardh] Canaries (70; 177). [As Callymenia (Meredithia) microphylla J. Agardh] Canaries (493). [As Callymenia reniformis (Turner) J.Agardh] Canaries (547). [As Kallymenia microphylla J. Agardh] Canaries (191 ;273;392;584). Cape Verde Islands (37). Note. For background data on this species, see Guiry & Maggs (661). See note under Kallymenia microphylla J. Agardh in Price et al. (1992). Meristiella echinocarpa (Areschoug) Cheney & Gabrielson [As Meristotheca! decumbens Grunow in Piccone] Cape Verde Islands (439). [As Rhabdonia decumbens (Grunow) Grunow in Askenasy] Cape Verde Islands (37) [As Mychodea schrammii P. & H. Crouan] Cape Verde Islands (38;450;451). Note. Prud'homme van Reine et al (663) have re-investigated the Macaronesian algae studied by Piccone (see 439,450,451) and Grunow (see 37,38) and concluded that Askenasy had in error identified both Meristiella echinocarpa (from the Cape Verde Islands) and Meristotheca ? decumbens (from Madeira, the Canaries and also from the Cape Verde Islands) as Mychodea schrammii. The speci- mens collected by Naumann (450, 451) have not been studied in detail by Prud'homme van Reine et al. (663). Meristiella schrammii (P. & H. Crouan) Cheney & Gabrielson See Meristiella echinocarpa (Areschoug) Cheney & Gabriel- son. Meristotheca coacta Okamura Ghana (299). Note. See under Halichrysis depressa (J. Agardh) Schousboe in Bornet for the validity of this record based on sterile plants. Meristotheca ? decumbens Grunow in Piccone Canaries (439) Cape Verde Islands (439;450;451). Note. See note under Meristiella echinocarpa (Areschoug) Cheney & Gabrielson. Meristotheca duchassaingii J. Agardh See Halymenia duchassaingii (J.Agardh) Kylin. Meristotheca senegalense J.Feldmann [mscr.] Senegal (529;531). [As Meristotheca senegalensis J. Feldmann] Senegal (59;398). 'Subtropical Africa [Senegal (N. of Gambia); Mauritania; Former W. Sahara]' (598). [As Sarcodia ceylanica Harvey] Senegal (122). Note. According to Mollion (398) this is a manuscript name. Prior to this, Sourie (529: 116) had noted '. . . espece nommee, mais encore non decrite par J. Feldmann'. Meristotheca sp. Gabon (294). Senegal (529). Note. For comments on validity of Gabon record, see note to Halichrysis depressa (J. Agardh) Schousboe in Bornet. Mesophyllum The concept of Mesophyllum adopted in this paper follows Woelkerling & Harvey (1993), who provide an updated description of the genus taking into account new data on spermatangial conceptacles (Woelkerling & Harvey, 1992). Additional nomenclatural and systematic data on Mesophyl- lum are provided by Woelkerling & Irvine (19866) and Woelkerling (1988: 191-196) Mesophyllum applicatum Lemoine See Neogoniolithon hirtum (Lemoine in B0rgesen) Afonso- Carrillo. Mesophyllum brachycladum (Foslie) Adey Canaries (598). Principe (350;535;586). St. Helena (535). '. . . in warm temperate and tropical parts of the eastern Atlantic Ocean. . .' (350;586). Tropical Africa (N. Gambia - Congo river)' (598). [As Lithothamnion brachycladum Foslie] Angola (541 ;634). Canaries (6;134;198;354;356;634) Principe (134;363). St. Helena (6;134;198;212;634;655). '. . . West Coast of Africa. . .' (208). '. . . probably nearly all along the west coast of Africa' (198). 74 D.M. JOHNETAL [As Lithothamnion racemus (Lamouroux) Foslie] Canaries (547). St. Helena (142;391). Note. This species originally was described as Lithothamnion brachycladium (198: 3) and is based on material from St. Helena. Subsequently, Adey (669: 22) transferred the species to Mesophyl- lum, expressing some doubt about this placement. The holotype (678: 42-43) has not been examined in detail in a modern context, and thus the status and disposition of the species are uncertain, as is the identification of specimens from the West African region. In the protologue, Foslie (198: 3) suggested that the holotype of Lithotham- nion brachydadum is probably the same specimen that Dickie (142: 179) referred to Lithothamnion racemus, and thus the same specimen on which the record of Mellis (391: 382) is based. Although the Dickie and Mellis records are included under brachydadum, Foslie's suggestion requires confirmation. Lemoine (354: LIV) noted that a Canary Islands specimen in the Thuret herbarium under the name Lithothamnion branchydadium had been determined by Foslie as Lithophyllum racemus. Mesophyllum canariense (Foslie) Lemoine in B0rgesen Canaries (191 ;362 ;363 ;375 ;489 ;493 ;535 ;582 ;598) . Sao Tome (350;535;586). 'Gulf of Guinea' (582). Tropical Africa (N. Gambia - Congo river)' (598). '. . . widespread in warm temperate and tropical seas. . .' (350;586). [As Lithophyllum marlothii Heydrich] SaoTome(6;251;265). [As Lithophyllum Marlothii Heydrich forma Foslie] Sao Tome (251). [As Lithothamnion canariense Foslie] Canaries (6 ; 139 ;205 ;212 ;493 ;660) . [As Lithothamnion canaricae Foslie] Canaries (387). [As Mesophyllum canariense (Foslie) Lemoine] Canaries (191;227;361;687). [As Mesophyllum canariensis (Foslie) Lemoine] Canaries (229). [As Mesophyllum canariense (Foslie) Lemoine var. fasciata Lemoine] Canaries (363). [As Mesophyllum canariense (Foslie) Lemoine var. difformis Lemoine] Canaries (363). [As Lythophyllum canariensis ?] Canaries (237). Note. This species originally was described as Lithothamnion canariense (205: 17) and is based on material from Puerto Orotava, Tenerife, Canary Islands. Lemoine (363: 31) subsequently trans- ferred the species into Mesophyllum. The holotype (678: 46) has recently been studied in a modern context by Reyes & Afonso- Carrillo (687), who state that it certainly belongs to the genus Mesophyllum as delineated by Woelkerling & Irvine (19866). The identification of specimens from much of the West African region remains uncertain. Both Mesophyllum canariense var. difformis Lemoine (363: 33) and Mesophyllum canariense var. fasciata Lem- oine (363: 31) are based on single collections from the Canary Islands, but the holotypes have not been examined in detail in a modern context, and thus the status and disposition of these varieties are also uncertain. According to Steentoft (535: 130), specimens from Sao Tome referred to Lithophyllum marlothii by Hariot (251: 164) and Henriques (265: 166) are considered by Lemoine to belong to Mesophyllum canariense. Similarly, Adey & Lebednik (6: 19) indicate that one specimen listed under Lithophyllum marlothii really belongs to Mesophyllum canariense. These specimens need to be re-examined to determine whether they are conspecific with the holotype of Mesophyllum canariense. Gonzalez (237: Table II) lists a Lythophyllum canariensis from the Canary Islands without further taxonomic or nomenclatural comments. It is presumed here that Gonzalez is referring to Mesophyllum canariense. As far as can be determined, the binomial Lithophyllum canariensis has never been validly published. Mesophyllum ectocarpon (Foslie) Adey Canaries (17;598;634). Cape Verde Islands (366;597;598). Mauritanie (349;597). Senegal (366). 'Makaronesische Inseln, Nordwest und West-Afrika' (597). 'Subtropical Africa [Senegal (N. of Gambia); Mauritania; former W. Sahara]' (598). [As Lithothamnion ectocarpon Foslie] Canaries (136;191;227;362;363;366). Cape Verde Islands (6;136;139;207;210;362;363;366). Mauritanie (6;139;207;210;212;362;363;366). 'Vestkysten af Afrika: Kap Blanco . . . og St. Vincent' (207). Senegal (6). Note. This species was originally described as Lithothamnion ectocarpon Foslie (207: 11) based on specimens from the Cape Verde Islands and Cap Blanc, Africa. Adey (in 6: 83) lectotypified the species with the Cap Blanc collection and subsequently (669: 23) transferred it to Mesophyllum with some question. The lectotype (678: 82) has not been studied in detail in a modern context, and thus the status and disposition of the species are uncertain, as is the identification of specimens from the West African region. Mesophyllum erubescens (Foslie) Lemoine Canaries (366). Cape Verde Islands (100;101;366;598). 'Pan tropical' (366). Note. This species was originally described as Lithothamnion erubescens (198: 9) and is based on material from Brazil. Lemoine (361: 252) transferred the species into Mesophyllum without com- ment. The holotype (678: 85) has not been studied in detail in a modern context and thus the status and disposition of the species are uncertain, as is the identification of specimens from the West African region. Afonso-Carrillo et al. (582) commented that despite previous references to the taxon from the Canary Islands, its presence there is doubtful and requires confirmation. Mesophyllum floridanum (Foslie) Adey Sao Tome (350;586). [As Lithothamnion floridanum Foslie] Sao Tome (6;139;204;535). Note. This species was originally described as Lithothamnion floridanum (204: 11) and was based on material from Florida. In the protologue, Foslie (204: 12) also mentions two sterile specimens from Sao Tome which resemble Lithothamnion floridanum but cannot be definitely identified to species. The holotype (678: 96) has not been studied in detail in a modern context and thus the status and disposition of the species are uncertain, as is the identification of specimens from Sao Tome. Mesophyllum lichenoides (Ellis) Lemoine Canaries (188;191;227;232B;361;363;517;546;582;584;598; 633;666). Mauritanie (649). '. . . Atlantico (de Gran Bretana a Marruecos y Canarias)' (517). RHODOPHYTA (FLORIDEAE) OF TROPICAL AFRICA '. . . Atlantique (de 1'Angleterre a la Mauritanie, Canaries)' (33). '. . . Atlantique jusqu'au Rio de Oro. . .' (222). [As Mesophyllum lichenoides (Linnaeus) Lemoine] Mauritanie (349). Western Sahara (349). [As Lithophyllum lichenoides Philippi] Canaries (70;527). [As Lithophyllum expansum Philippi] Canaries (356;448;584). Salvage Islands (89). 'Cap Blanc' (356). [As Lithophyllum expansum Philippi f. involvens Vinassa] Mauritanie (211). [As Lithophyllum expansum Philippi f. strictaeformis (Areschoug) Foslie] Salvage Islands (215). [As Lithophyllum expansum Philippi f . exigua Foslie] 'Cap Blanc' (252). [As Pseudolithophyllum expansum (Philippi) Lemoine] Canaries (18;70;177;221;227;598). Mauritanie (70;177;188;221;248;349;359;365). Salvage Islands (38B;598) 'Subtropical Africa [Senegal (N. of Gambia); Mauritanie; Former W. Sahara]' (598). '. . . existe aussi sur les cotes atlantique d'Espagne et sur les cotes d'Afrique jusqu'an Senegal . . .' (365). Note. This species originally was described as Corallium lichenoides (Ellis, 1768: 407) and was probably based on material from Cornwall, England. The subsequent taxonomic and nomencla- tural history of Mesophyllum lichenoides is outlined by Woelkerling & Irvine (19866), who neotypified the species with plants from West Looe, Cornwall, England and provided a detailed account of the neotype material and the species. Additional data on M. lichenoides are provided by Woelkerling & Harvey (1992, 1993) in conjunction with studies of southern Australian species of Mesophyllum. Speci- mens on which published records for the West African region are based now need to be checked to determine whether they are conspecific with the neotype. The lectotype of Lithophyllum expan- sum Philippi has been examined in detail by Woelkerling (19836: 307-313) who concluded that the lectotype belonged to Mesophyllum as delimited by Johansen (1976, 1981) and Cabioch (1972) and that circumstantial evidence suggested that the lectotype was conspecific with Mesophyllum lichenoides. Woelkerling (19836: 312) also noted that Philippi's epithet expansum has been widely misapplied to plants referable to Lithophyllum. Thus all specimens from the West African region identified as Lithophyllum expansum or Pseudolithophyllum expansum need to be re-examined to determine whether they belong to the Lithophylloideae or the Melobesioideae and then to determine their true generic and specific identity. It is likely that many of these plants belong to Lithophyllum rather than Mesophyllum. This also applies to specimens identified as Lithophyllum expansum Philippi f . exigua Foslie (197: 3), Lithophyllum expansum Philippi f. involvens Vinassa (1892: 59), and Lithophyllum expansum Philippi f. strictae- formis (Areschoug) Foslie (199: 18) [Basionym: Melobesia strictae- formis Areschoug, 1852: 517]. The types of these formae also need to be re-examined in a modern context to determine their status and disposition. Data on the types of Lithophyllum expansum Philippi f. exigua Foslie and Melobesia stictaeformis Areschoug are provided by Woelkerling (678: 88, 207); the whereabouts of the type of Litho- phyllum expansum Philippi f. involvens Vinassa is uncertain. See note under entry for Lithophyllum lobatum concerning Sauvageau's (493) and Foslie's (211) record of 'Lithopyllum expansum' from the Canaries. 75 Mesophyllum lobatum Lemoine See Lithophyllum lobatum Lemoine in B0rgesen. Mesophyllum philippii (Foslie) Lemoine See Lithothamnion philippii Foslie. Mesophyllum solutum (Foslie) Lemoine, nominum invalidum See Lithothamnion solutum (Foslie) Foslie. Mesophyllum sp. Canaries (229;237). Cape Verde Islands (366). Note. Lemoine (366: 236) indicated: '. . . deux especes indeter- minees, un Lithothamnion et un Mesophyllum ce dernier appartient peut-etre a une espece non decrite des Canaries'. Mesothamnion caribaeum B0rgesen See Pleonosporium caribaeum (B0rgesen) R. Norris. Microcladia capensis (Kutzing) Papenfuss See the note to Ceramium capense Kutzing. Microcladia glandulosa (Solander ex Turner) Greville Gambia (296). Senegal (133). Senegambia (296). '. . .ad litus Senegambiae. . .' (318). [As Microcladia glandulosa Greville] Senegal (283). [As Microcladia tenuis Kutzing] 'Gabon, Guinea' (149). 'Embouchure de la riviere de Gabon, Guinee' (321). Microcladia tenuis Kutzing See Microcladia glandulosa (Solander ex Turner) Greville. Micropeuce mucronata (Harvey) Kylin Ghana (350;376;377;586). '. . . probably widespread in many warm temperate and tropical seas' (350;586). 'Subtropical Africa [Senegal (N. of Gambia); Mauritania; Former W. Sahara]' (598). Tropical Africa (N. Gambia - Congo river)' (598). Monospora furcellata auctorum See Griffithsia arachnoides C. Agardh. Monospora pedicillata Solier in Castagne See Monosporus pedicillatus (J. E. Smith) Solier in Castagne. 76 D.M. JOHNETAL Monosporus pedicillatus (I.E. Smith) Solier in Castagne Canaries (71;633;668;684). [As Monospora pedicellata Solier] Canaries (547). [As Corynospora pedicellata (J.E. Smith) J. Agardh] Canaries ( 1 3 ;38D ;227 ;375 ;547 ;556;584) . Salvage Islands (38B;38D;556). [As Neomonospora pedicillata (Smith) G. Feldmann & Mes- lin] Canaries (191). '. . . Atlantique (de 1'Angleterre aux Canaries). . .' (33). '. . . Atlantique nord: de la Grande-Bretagne jusqu'aux Canaries. . .' (222). '. . . Atlantique nord, de 1'Angleterre aux Canaries. . .' (190). '. . . Atlantique nord, de Grande Bretagne aux Canaries. . .' (196). [As Neomonospora furcellata (J. Agardh) G. Feldmann & Meslin] Canaries (191). Murray el la periclados (C. Agardh) Schmitz Angola (298;347A;352;458;466). Bioko (346;350;586). Cameroun(337;350;460;463;535;537;586). Congo (535). Gabon (458;471). Gambia (296;350;586). Ghana ( 153 ;336;337 ;338 ;342 ;344 ;350;458 ;460 ;463 ;464 ;466 ; 473;535;586). Guinee (350;460;535;586). Sao Tome (350;458;466;470;473;535;586). Sierra Leone (30;295;336;339;344;350;374;378;458;460;464; 466 ;468 ;470;473 ;535 ;586) . '. . . present in many parts of West Africa. . .' (347 A). Tropical Africa (N. Gambia - Congo river)' (598). 'West Africa' (290). '. . . widespread in warm temperate and tropical seas. . .' (350;586). Note. Post's (458) Angola record is based on her redetermination of Welwitsch no. 60 (BM), from Cabo Lombo, Loanda, under the manuscript name of Ceramium arachnoideum Welwitsch (q.v.). The record (460) from Cameroun does not relate to Post's comments (458: 79) in redetermining 'Bostrychia periclados' as Bostrychia moritziana (Sonder ex Kiitzing) J. Agardh (q.v.), rather than Mur- ray >ella periclados. Records from Gabon are said (458; 471: 150) to be from 'siisswasser' but are included for completeness. Murrayella sp. Sierra Leone (460). Mychodea schrammii P. & H. Crouan See Meristiella echinocarpa (Areschoug) Cheney & Gabriel- son. Myriogramme costata P. Dangeard Senegal (89;122;221). 'Subtropical Africa [Senegal (N. of Gambia); Mauritania; Former W. Sahara]' (598). Note. See Nitophyllum dentatum for doubt concerning the separa- tion of the genus Myriogramme from Nitophyllum. Myriogramme dentata (Schousboe) nomen nudum Senegal (529). 'Subtropical Africa [Senegal (N. of Gambia); Mauritania; Former W. Sahara]' (598). Note. Combination has not been validly proposed. The relation- ship between this taxon and Nitophyllum dentatum Bornet (q.v.) requires further investigation. Myriogramme minuta Kylin Canaries (633;634;648). Myriogramme sp. Senegal (55;56). Naccaria corymbosa J. Agardh Salvage Islands (38B;598). Note. See Searles & Leister (1980) concerning former known geographical distribution only in North America. Naccaria sp. Canaries (227). Nemalion amoenum (Pilger) B0rgesen Cameroun (80;281;350;433;586). Tropical Africa (Gambia - Congo river)' (598). [As Dermonema amoenum Pilger] Cameroun (139;433;454). Note. See discussion in B0rgesen (80: 26-27) for placing Der- monema in the genus Nemalion which he does with some doubt, stating (p. 27) 'final decision as to its real place can of course not be taken before its female organs are found, nevertheless I think that at present its right place is in the genus Nemalion' '. Nemalion helminthoides (Velley in Withering) Batters Canaries ( 18 ;226 ;227 ;232B ;253 ;583 ;584;598 ;633 ;634) . Western Sahara (349;476;659). '. . . Atlantico norte de Inglaterra y Norvega a Marruecos. . .' (517). '. . . Atlantico (Norvega -Canaries). . .' (253). 'Subtropical Africa [Senegal (N. of Gambia); Mauritania; Former W.Sahara] '(598). [As Nemalion multifidum (Weber & Mohr) J. Agardh] Canaries (254;305). [As Nemalion heminthoides] Canaries (237). [As Nemalion lubricum Duby] '. . . Atlantischer Ozean: Nordwest-africanische Kiiste. . .' (499). Nemalion lubricum Duby See Nemalion helminthoides (Velley) Batters. RHODOPHYTA (FLORIDEAE) OF TROPICAL AFRICA N einal ion multifidum (Weber & Mohr) J. Agardh '. . . in oceano atlantico a littore Norvegiae usque ad Canar- ias(Webb.). . .'(25). Note. Feldmann (188) considers the possibility that this species is a mere growth form of N. helminthoides (Velley) Batters. Nemalion sp. Canaries (70). Nemastoma canariensis (Kiitzing) J. Agardh Canaries (13;38C;70;89;134;191;227;232B;315;540;598;662). [As Gymnophloea canariensis Kiitzing] Canaries (24;318). [As Halymenia capensis Montagne] Canaries (401). [As Nemastoma canariensis J. Agardh] Canaries (547). [As Nemastoma canariensis (Kiitzing) Montagne] Canaries (139;390;407). [As Nemastoma canariense (Kiitzing) Montagne] Canaries (633;634). Note. The comments under Nemastoma confusum probably also apply equally to this species. Nemastoma confusum Kraft & D. John Cape Verde Islands (652;683). Ghana (299;315;350;376;586). Tropical Africa (N. Gambia - Congo river)' (598). '. . . tropical West Africa' (350;586). Note. Athanasiadis (630) has reassessed the genus Nemastoma based on a study of the type species (N. dichotomum) and proposed a new generic circumscription. Many species traditionally placed in Nemastoma cannot now be accommodated. Anthanasiadis comments thus (p. 31) 'Others, like Nemastoma confusum Kraft et John (1976), which should apparently be excluded, necessitate a better knowledge of the related genera in order to be transferred to the taxon where they actually belong'. Nemastoma multifida J. Agardh See Platoma cydocolpum (Montagne) Schmitz. Nemastoma sp. Cape Verde Islands (652). Neogoniolithon The concept of Neogoniolithon adopted in this paper follows Penrose (1992), who studied the type species, N. fosliei, and used the following combination of features to delimit Neogo- niolithon from other genera of the subfamily Mastophoroi- deae: 1) thallus non-endophytic and lacking haustoria; 2) thallus lacking a vertical layer of filaments composed of palisade cells; 3) spermatangia simple and borne on the floor and roof of male conceptacle chambers; and 4) gorrimoblast filaments arising dorsally from fusion cells. Tetrasporangial conceptacle ontogeny in Neogoniolithon (Penrose, 1992: 342) is similar to that in Spongites (Penrose, 1991). A revised key to the genera of Mastophoroideae r including Neogoniolithon, is provided by Penrose & Chamberlain (1993: 303). Addi- tional nomenclatural and systematic data on Neogoniolithon are provided by Woelkerling (1988: 139-145). 77 Neogoniolithon absimile (Foslie & Howe) Cabioch See Spongites wildpretii Afonso-Carrillo. Neogoniolithon accretum (Foslie & Howe) Setchell & Mason Canaries (227;582). [As Neogoniolithon accretum Foslie & Howe f. canariense (Foslie) De Toni] Canaries (139;205;212;382;493). [As Lithophyllum accretum (Foslie & Howe) Lemoine] Canaries (71;362;363;493). [As Lithophyllum accretum (Foslie & Howe) Lemoine] Canaries (71;362;363;493). [As Lithophyllum accretum (Foslie & Howe) Lemoine f. canariensis Foslie] Canaries (205). [As Lithophyllum accretum (Foslie & Howe) Lemoine var. canariense (Foslie) Lemoine] Canaries ( 191 ;363). Note. This species originally was described as Goniolithon accre- tum (Foslie & Howe, 1906: 131) and is based on material from Sands Key, Florida. Subsequently, the species was transferred to Lithophyl- lum (357: 159) and then to Neogoniolithon (Setchell & Mason, 1943: 90). The holotype (678: 16) has not been studied in detail in a modern context, and thus the status and disposition of this species are uncertain, as is the identification of specimens from the West African region. Foslie (205: 19) also described Lithophyllum accretum f. canariensis Foslie based on material from Puerto Orotava, Tenerife, Canary Islands. This form apparently has not been transferred into Neogoniolithon . Neogoniolithon brassica-florida (Harvey) Setchell & Mason [As Lithothamnion brassica-florida (Harvey) Areschoug] St. Helena (142;260;391). [As Lithothamnion brassica-florida Harvey var.] St. Helena (391). Note. This species originally was described as Melobesia brassica- florida Harvey (1849: 110) and is based on material from Algoa Bay, South Africa. Subsequently, the species was transferred to Lithothamnion (Areschoug, 1852: 523), then to Goniolithon (681: 9) and then to Neogoniolithon (Setchell & Mason, 1943: 91). The lectotype (678: 43) has been studied in detail by Woelkerling et al. (1993), who confirmed that this species belonged to Neogoniolithon as circumscribed by Penrose (1992). Woelkerling, Penrose & Cham- berlain (1993) also concluded that N. fosliei (Heydrich) Setchell & Mason, the type species of Neogoniolithon, was a heterotypic syn- onym of N. brassica-florida. The specimens from St. Helena now need to be re-examined to determine whether they are conspecific with the lectotype of N. brassica-florida. Neogoniolithon caribaeum (Foslie) Adey Canaries (227;582;598). Cape Verde Islands (598). [As Lithophyllum caribaeum Foslie] Canaries (71;191;362;363;366). Cape Verde Islands (366). [As Lithophyllum (?) cariboeum Foslie] Cape Verde Islands (100). Note. This species was originally described as Lithophyllum decipiens Foslie (204: 18) based on material from the US Virgin Islands. Subsequently, Foslie (206: 22) raised it to species status as Lithophyllum caribaeum, and Adey (669: 8) transferred it to Neogo- 78 niolithon. There has seen no detailed study of the lectotype collection (678: 48) in a modern context, and thus the status and disposition of this species are uncertain, as is the identification of specimens from the West African region. Neogoniolithon hirtum (Lemoine in B0rgesen) Afonso-Carrillo Canaries (11;582;598;633;634). [As Lithophyllum application Lemoine] Canaries (227;362;363). [As Mesophyllum applicatum Lemoine] Canaries (191 ;687). [As Lithophyllum hirtum Lemoine in B0rgesen] Canaries (227;362;363;687). [As Tenarea adhaerens Lemoine in B0rgesen] Canaries (191;227;362;363). Note. Based on studies of the original Canary Islands collections of Lemoine, Afonso-Carrillo (11: 131) concluded that Lithophyllum hirtum Lemoine in B0rgesen (363: 37) belonged to Neogoniolithon (sensu Cabioch, 1972) and that Lithophyllum applicatum Lemoine in B0rgesen (363: 38) and Tenarea adhaerens Lemoine in B0rgesen (363: 59) were heterotypic synonyms. These conclusions need to be re-evaluated in light of the revised concept of Neogoniolithon pre- sented by Penrose (1992). Afonso-Carrillo (11) did not present detailed accounts of the type collections, and it is not clear whether the species involved possess the features now considered diagnostic of Neogoniolithon. Lemoine (363: 37, 38) based Lithophyllum hirtum on two collections and L. applicatum on five collections, but neither she nor Afonso-Carrillo (11) specified types. Until lectotypes are chosen and examined in detail in a modern context, the status and disposition of these species will remain uncertain, as will the identifi- cation of specimens from the West African region. Feldmann (191: 413) used the binomial Mesophyllum applicatum Lemoine instead of Lithophyllum applicatum Lemoine. It is not clear whether this is an error or whether Feldmann had intended to transfer applicatum to Mesophyllum; the binomial probably should be cited as Mesophyllum applicatum (Lemoine) Lemoine ex J. Feldmann. Neogoniolithon illitus (Lemoine in B0rgesen) Afonso-Carrillo Canaries (11 ;582;598). Cape Verde Islands (582;598). [As Lithophyllum illitus Lemoine in B0rgesen] Canaries (191 ;227;362;363;366;687). Cape Verde Islands (100;366;645). Note. Based on studies of the original Canary Islands collections of Lemoine, Afonso-Carrillo (11: 131) concluded that Lithophyllum illitus Lemoine in B0rgesen (363: 37) belonged to Neogoniolithon. This conclusion needs to be re-evaluated in light of the revised concept of Neogoniolithon presented by Penrose (1992). Afonso- Carrillo (11) did not present detailed accounts of Lemoine's original collections, and it is not clear whether the species possesses the features now considered diagnostic of Neogoniolithon. Lemoine (363: 54) based this species on 14 collections obtained from several localities, but neither she nor Afonso-Carrillo (11) specified a type. Until a lectotype is chosen and examined in detail, the status and disposition of this species will remain uncertain, as will records from the West African region. The record in Feldmann (183: 1071) is given with a query. Neogoniolithon mamillare (Harvey) Setchell & Mason Annobon (366). Bioko (350;586). Cameroun (350;586). Cape Verde Islands (366;598). D.M. JOHNETAL St. Helena (655). Tantropical' (350;366;586). 'Tropical Africa (N. Gambia - Congo river)' (598). [As Goniolithon mamillare (Harvey) Foslie] Annobon (397;455;457;500). Bioko (500). Cameroun (500). '. . .ad littora Africae ad Caput Verde. . .' (134). [As Goniolithon mamillaris] Cape Verde Islands (BM Herbarium, Coralline Catalogue). [As Lithothamnion brassica-florida Harvey] St. Helena (142;259;391). [As Lithothamnion mamillare Harvey] Cape Verde Islands (145). [As Lithothamnion mamillare (Harvey) Areschoug] Cape Verde Islands (38). [As Melobesia mamillaris Harvey] Cape Verde Islands (254;366). [As Porolithon mamillare (Harvey) Foslie] Annobon (139). Cape Verde Islands (139;357). Senegal (357). Note. This species was originally described as Melobesia mamill- aris Harvey (1849: 109). Subsequently, the species has been trans- ferred to Lithothamnion (Areschoug, 1852: 521), Goniolithon (681: 9), Porolithon (357: 177), and Neogoniolithon (Setchell & Mason, 1943: 91). Harvey based the species on material from Brazil, Tierra del Fuego, South Africa and the Cape Verde Islands, but did not specify a type. Printz (212: pi. 47, legend to fig. 15), however, lectotypified the species with a Brazilian specimen. According to Woelkerling (678: 144) and Porter (1987: 200), this specimen appears to be missing both from TRH and TCD, but TRH contains two syntype fragments collected at Bahia by C. Darwin. Until the lectotype can be located (or a new neotype designated) and studied in detail in a modern context, the status and disposition of this species are uncertain, as is the identification of specimens from the West African region. Neogoniolithon mamillosum (Hauck) Setchell & Mason Cape Verde Islands (366;597;598). Mauritanie (349;366). Senegal (597). 'Subtropical Africa [Senegal (N. of Gambia); Mauritania; Former W.Sahara]' (598). [As Goniolithon mamillare (Harvey) Foslie] Annobon (397;454;455;500). Bioko (500). Cameroun (500). [As Goniolithon mamillosum (Hauck) Foslie f. microcarpa Foslie] Cape Verde Islands (139;210;597). Mauritanie (139;597). Note. Goniolithon mamillosum f. microcarpa Foslie (207: 24) has been lectotypified (678: 149) with a collection from Sao Vincente, Cape Verde Islands, but this collection has not been studied in a modern context and thus the status and disposition of f. microcarpa are uncertain. [As Goniolithon mamillosum (Hauck) Foslie] Ascension (6). Cape Verde Islands (6). Mauritanie (6). St. Helena (6). Senegal (6). RHODOPHYTA (FLORIDEAE) OF TROPICAL AFRICA [As Lithophyllum hauckil (Rothpletz) Lemoine] Mauritanie (188;349;359) Note. There has been no detailed study of the type of Neogonioli- thon mamillosum, and thus the status and disposition of the species are uncertain, as is the identification of specimens from the West African region. The basionym of Neogoniolithon mamillosum (Hauck) Setchell & Mason, Lithothamnion mamillosum Hauck (1883: 272) is a later homonym of Lithothamnion mamillosum Gembel, and this led Rothpletz (1891: 304) and then Foslie (1895: 580) to independently coin the new name Lithothamnion hauckii Rothpletz for Hauck's taxon (see 678: 115). In accordance with Articles 55.1 and 64.1 of the International code for botanical nomen- clature (see Greuter, 1988), Hauck's epithet mamillosum is correct when used in the combination Neogoniolithon mamillosum (Hauck) Setchell & Mason, but because of homonymy must become hauckii when the species is placed in Lithothamnion. The type of both Neogoniolithon mamillosum and Lithothamnion hauckii is the same. In the protologue, Hauck (1883) depicted several specimens and indicated that the material came from the Adriatic without indicating specific localities. A lectotype for the species needs to be selected from amongst extant syntypes, several of which are in TRH (678: 144-145). Neogoniolithon orotavicum (Foslie) Lemoine Canaries (368;583;598;633;634). Cape Verde Islands (366;368;598). '. . . Golfe de Guinee' (368). 'Subtropical Africa [Senegal (N. of Gambia); Mauritania; Former W. Sahara]' (598). [As Neogoniolithon orotavicum Foslie] Canaries (227;366). Cape Verde Islands (366). Senegal (366). [As Neogoniolithon orotavicum (Foslie) Lemoine ex Afonso- Carrillo] Canaries (11;253). Senegal (253). '. . . Atlantico Oriental (Archipelagos macaronesicas y costas del Senegal). . .' (253). [As Neogoniolithon orotavicum (Foslie) Afonso-Carrillo] Canaries (17;582). [As Lithophyllum orotavicum Foslie] Canaries (2;70;191;362). Note. This species originally was described as Goniolithon oro- tavicum Foslie (205: 20) and is based on a single collection (see 678: 165) from Puerto Orotava, Tenerife, Canary Islands. Subsequently, Lemoine (363: 49) transferred the species to Lithophyllum, and then (366: 236, 238) to Neogoniolithon. Lemoine's 1964 (366) combination Neogoniolithon orotavicum does not conform to Article 33.2 of the International Code of Botanical Nomenclature with respect to basionym citation and thus is invalid. Subsequently, however, Lem- oine (368: 12) properly validated the binomial, an action apparently unknown to Afonso-Carrillo (11: 133-134). Although the holotype has been examined by Adey (669: 9) and Afonso-Carrillo (11: 133-134), neither provided a detailed morphological/anatomical account of the material. Thus the status and disposition of this species in relation to Penrose's (1992) circumscription of Neogoniolithon are uncertain, as is the identification of specimens from the West African region. Neogoniolithon spp. Canaries (10). Cape Verde Islands (366). Sao Tome (93;350;535). 79 Neomonospora furcellata (J. Agardh) G. Feldmann & Meslin See Griff ithsia arachnoides C. Agardh. Neomonospora pedicellata (Smith) G. Feldmann & Meslin See Monosporus pedicellat us (Smith) Solier & Castagne. Neomonospora sp. Senegal (59). Neuroglossum binderianum Kiitzing Namibia (348). Nitophyllum dentatum Bornet Senegal (89; 132). Note. Bornet (89: 293-294) quoted the description direct from Schousboe, but the latter's name was Areolaria dentata Schousboe, Tanger. Rarissime reperi inter Algas ad Dar Hamra circa Tingin lectas mense augusto . . . petris calcareis vel Lithophytis innatum'. Dangeard (118), in an addendum concerning Myriogramme costata and Nitophyllum dentatum, comments on the close similiarity of these two taxa. His Myriogramme had numerous teeth, close together and a polystromatic frond centrally. In Bornet's description of N. dentata, the teeth are only few and sparse, and the frond distromatic centrally. See note under Myriogramme dentata Schousboe. Nitophyllum fissum (Greville) J. Agardh See Hymenema venosa (Linnaeus) Kylin. Nitophyllum laceratum (Gmelin) Greville '. . . in oceano Atlantico ab oris Angliae usque ad Senegalliam. . .' (25;132). Note. It is likely that this taxon is attributable to Cryptopleura ramosa (Hudson) Kylin ex Newton. Nitophyllum punctatum (Stackhouse) Greville Canaries ( 13 ;226 ;227 ;584 ;598 ;633 ;634 ;662 ;684) . Mauritanie (624). 'Nordwestafrika' (499). [As Nitophyllum punctatum (Stackhouse) Greville var. ocel- lata J. Agardh ] '. . . Atlantic Ocean (. . . African. . .coasts, Canary Islands)' (177). Nitophyllum uncinatum (Turner) J. Agardh See Acrosorium uncinatum (J. Agardh) Kylin (now A. venu- losum (Zanardini) Kylin). Nitophyllum venosum Harvey See Hymenena venosa (Linnaeus) Kylin. Nitophyllum sp. Angola (41 ;352). Senegal (59;122;529). [As Nitophyllum sp. A] 80 Guinea-Bissau (529). Senegal (529). Note. Dangeard (122) and Sourie (529) suggest that this species was 'voisin de N. punctatum (Stackh.) Greville'. Nothogenia erinacea (Turner) Parkinson Namibia (32A;36B). [As Chaetangium erinaceum (Turner) Papenfuss] Namibia (348;438). [As Chaetangium ornatum (Linnaeus) Kutzing] Namibia (128;160;348;453;500). Note. According to Seagrief (570) Chaetangium dlchotomum Kutzing (1869), Chaetangium hystrix (C. Agardh) Kutzing (1869) and Chaetangium ornatum (L.) Kutzing are all synonyms of C. erina- Nothogenia magnified (Pilger) J.H. Price comb. nov. Basionym: Chaetangium magnificum Pilger in Hedwigia 48: 181-182, fig. C 1-3 (1908). [As Chaetangium magnificum Pilger] Namibia (139;348;429;453;500). [As Chaetangium magnificum (Linnaeus) Kutzing] Namibia (160). [As Chaetangium ornatum (Linnaeus) Kutzing] Namibia (429). Note. The recombination is made here as there seems good reason to doubt the conspecificity of Chaetangium magnificum with that previously known often as Chaetangium ornatum (Linnaeus) Kutzing [now Nothogenia erinacea (Turner) Parkinson, q.v.]. Papen- fuss (429: 11) considered Pilger's (453) 'Chaetangium magnificum' a synonym under 'Chaetangium ornatum'. Nothogenia ovalis (Suhr) Parkinson Namibia (32 A). [As Chaetangium ovale (Suhr) Papenfuss] Namibia (348;437). '. . . Luderitz [S.W.A.] to Storms River mouth [S.A.]. . . more common on the west coast. . .' (523). D.M. JOHN ET AL Olivia ustulata (Montagne) Montagne See Caulacanthus ustulatus (Turner) Kutzing. Ophidocladus simpliciusculus (P. & H. Crouan) Falkenberg Canaries (71;191;227;488;598). Mauritanie (349). Namibia (36B). Western Sahara (349). '. . . Atlantique (de la Bretagne aux Canaries). . .' (33). 'Subtropical Africa [Senegal (N. of Gambia); Mauritania; Former W. Sahara]' (598). [As Polysiphonia (?) simpliciuscula Crouan frat.] Canaries (547). Orcasia pulla Simons See Streblocladia comptoclada (Montagne) Falkenberg. Osmundaria volubilis (Linnaeus) R.E. Norris [As Vidalia volubilis (Linnaeus) J. Agardh] Canaries (439). Note. This striking and unmistakable species has only been found during the research trip of the Italian vessel 'Corsaro' (439). During that trip many collections were also made in the Mediterranean, an area where Osmundaria volubilis is common. It cannot be discounted that a labelling error might have occurred, so accounting for the record. ACKNOWLEDGEMENTS. We acknowledge with thanks assistance from many sources, of which the principal are: (i) Department of Botany, The Natural History Museum, London, for provision of the neces- sary research facilities to continue the series of papers of which the present is part; (ii) editorial expertise of Dr R.J. Huxley and Marian West for detecting inaccuracies in the submitted text; (iii) a grant (for GWL) towards this work from The Systematics Association. 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541Tittleyetal., 1984. 542Trochain, 1940. 546Varoetal., 1979. 547 Vickers, 1897. 548 Viera y Clavijo, 1866. 551 Webb, 1849. 552 Weber-van Bosse, 1899. 555 Weisscher, 1982. 556 Weisscher, 1983. 556A Weisscher et al., 1982. 557 Weisscher etal., 1957. 557A Wffle, 1890-1891. 563 Yamada, 1931. 564 Yamada, 1938. 565 Yamada, 1941. 565AYarishetal., 1985. 567Luning, 1985. 570 Seagrief, 1984. 576 Afonso-Carrillo, 1985. 582 Afonso-Carrillo et al., 1985. 583 Haroun Tabraue et al., 1985. 584 Ribera Siguan et al., 1985. 586 Lawson & John, 1987. 590 John & Lawson (unpublished). 591 Yarish etal., 1986. 594 Lawson, 19546 596 Bailey & Harvey, 1862. 597 Prud'homme van Reine & Lobin, 1986. 598 Prud'homme van Reine (in litt., 10/4/ 1987). 624 Marcot-Coqueugniot, 1991. 625 Prud'homme van Reine & van den Hoek, 1988. 630 Athanasiadis, 1988. 631 Chamberlain, 1992. 633 Pinedo etal., 1992. 634 Elejabeitia etal., 1992. 645 Lemoine, 1935 (cf. 100). 646 Sanson etal., 1991. 647 Gil-Rodriguez & Haroun, 1992. 648 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