Page:Journal of botany, British and foreign, Volume 34 (1896).djvu/283

 LICHENES ANTILLARUM A W. R. ELLIOTT COLLECTI. 259 2. G. (Graphina) subnitida Nyl. in Leight. Lich. Amaz. 453, tab. Ivi. fig. 14 ; Nyl. Lich. Fueg. 34, Lich. Guin. 49. Ad corti- cem arboris in Morne Couronne in Dominica (n. 171). Perithecium palUdum, tenuissimum, basi deficiens. Apothecia labiis conniventi- bus, demum leviter hiantibus, tenuibus, thallo concoloribus, modice elevatis instructa, 1-0*5 millim. longa, approximata. Thallus glaucescenti-palUdus, tenuis, nitidiusculus aut sat opacus. Sporae 8n£e, decolores, subfiisiformes, long. 0-030-0-036, crass. 0'012-0014 millim., murales, cellulis baud numerosis, septis transversalibus 6, loculis mediis septa una longitudinali divisis, iodo baud reagentes (metaplasmate ascorum iodo rubente). 3. G. (Pn^oGRApms) diversa Nyl. Syn. Lich. Nov. Cal. 74. PhcBographis Miill. Arg. Lich. Beitr. n. 455 ; Fl. 1888, 522. Lecan- actis exaltata Mont, et v. d. Bosch test. Nyl. et Hue, Lich. Exot. 239. Ad corticem arboris in Morne Anglais in Dominica (n. 526). Apo- thecia disco piano, nigro, epruinoso, margine thallo concolore, esorediato. Perithecium fuligineum, integrum, in labiis amphi- thecio thallino obductum. SporsB fuscescentes, pluriseptatae, long. 0-030-0-042, crass. 0-010-0'013 millim. 4. G. (Ph^ographis) albida, sp. n. Thallus tenuis, laevigatus aut sat laBvigatus, nitidiusculus, albidus aut pallescenti-albidus, KHO sordide fulvescens. Apothecia vulgo sat approximata, elongata, simplicia aut ramosa, vulgo flexuosa curvatave, long. 5-1 millim., latit. 0'3-0-25 millim., elevata adpressaque, labiis conniventibus, laevigatis aut demum fissura tenui apud rimam discoideam in- structis, basi abruptis, thallo concoloribus, esorediatis. Perithecium tenue, pallidum et partim pallido-fuscescens, in labiis amphithecio thallino et cellulas substrati continente obductum. Discus rimae- formis, inconspicuus aut nigricans. Sporae 8n8e, demum fusce- scentes, oblongaB aut fusiformi-oblongae, membrana incrassata, long. 0-02G-0'028, crass. 0'008-0-012 millim., septis 5-7. Hymenium iodo caerulescens. Paraphyses apice clavatae, clava fuscescente, 1-septata. Ad corticem arboris in Morne Anglais in Dominica (n. 528). 5. G. (Ph^ographis) MEDusiEFORMis Krempelh. Fl. 1876, 416 ; Wain. Jitud. Bres. ii. 115. Ad corticem arboris in Morne Anglais in Dominica planta huic speciei proximo aflfinis, at disco apotheci- orum nigro nudo ab ea differens, parce lecta est. Sporae 4n8e, 7-septatc^, long. 0-025-0'030, crass. O'009-O-OIO millim. Variatio sit hujus speciei. 6. G. (Ph^ographis) tricosa Ach. ; Wain, l.c, 116. Ad corticem arboris in Chateau Belair in St. Vincent. 7. G. (Pn^oGRApms) rosea, sp. n. Thallus tenuis, laevigatus, nitidiusculus, pallidus aut glaucescenti-palUdus, KHO non reagens. Apothecia increbra, elongata, long. circ. 15-5 millim., parce ramosa aut simplicia, flexuosa, lirellas roseas, 0-5-1 millim. latas formantia. Perithecium laterale tenue, fusco-nigrum, basale albidum, in labiis conniventibus, modice elevatis et basi sensim in thallum abeuntibus, amphithecio thallino, extus roseo, laevigato, obductum. Discus rimaeformis, angustus, immersus, pallescens aut obscuratus. SporaQ s 2