262 LICHENES ANTILLARUM A W. E. ELLIOTT COLLECTI. 



dilutius fuscescens. Paraphyses ramoso-comiexfe. Sporae 8n?D, de- 

 colores, fusiformes, apicibus obtusis, long. 0-014-0-017, crass. 0-004 

 -O'OOS millim., 3-septatffi, halone tenui iudut®. Ad corticem 

 arboris in Union Island prope St. Vincent (n. 280 pr. p.), una cum 

 0. se.rloculari. 



5. O. sordidescens, sp.n. Thallus tenuis, glaucescens, Apo- 

 tliecia numerosa crebraque, elevata, long. 0'7-0-2, latit. 0'3-0-2 

 millim., oblonga et pr. p. rotundata, simplicia aut subsimplicia, 

 recta aut leviter curvata. Perithecium integrum, fuligineum, labiis 

 arete conniventibus. Discus rima^formis, inconspicuus. Hymenium 

 iodo vinose rubens. Paraphyses ramoso-connexas. Sporse 8nae, dilute 

 fuscescentes (in KHO pr. p. decoloratfe), aciculari-fusiformes, apici- 

 bus obtusis, long. 0-034-0-054, crass. 0-003-0-0045 millim., 7- 

 septatfe, lialone nullo indutre, cellulis fere reque longis. Ad corticem 

 arboris prope Government House in St. Vincent. Ad subg. Sclero- 

 ffrapliam Wain. Etud. Bres. ii. 136, pertinet. 



6. 0. FiLiciNA Mont. ; Wain. Etud. Bres. ii. 133 {OpcgrapheUa 

 Miill. Arg. Licb. Beitr. n. 1540). Ad folia arbornm in Dominica et 

 ad Bonbomme Woods in St. Vincent. Perithecium dimidiatum. 

 Gonidia pbycopeltidea. Hue etiam pertinet O. phyllohia Nyl. Fl. 

 1874, 73, et Wain. I.e. (gonidia pbycopeltidea, nee cbroolepoidea), 

 conf. Miill. Arg. I. c. 



3. CmODECTON. 



1. C. (Enterographa) rufescens, sp. n. Thallus tenuis, albido- 

 glaucescens, crebre contextus, hypothallo evanescente aut tenui 

 nigricante crebre contexto limitatus. Apothecia tballo immersa, 

 approximata, elongata, long. l-5-0*3 miUim., abundanter radiatim 

 et dichotome ramosa, flexuoso, disco rufescenti-testaceo, epruinoso, 

 0-05 millim. lato, thallum a?quante. Hypotbecium albidum. Peri- 

 thecium indistinctum. Hymenium iodo persistenter cferulescens 

 (demura obscuratum), ascis vinose rubentibus. Spom? 8na', de- 

 colores, ovoideo-oblonga?, long. 0015-0-019, crass. 0007 millim., 

 3-septatfe, cellula apicis superioris reliquis longiore crassioreque, 

 iodo non reageutes, polystichae. Asci obovoidei, membrana leviter 

 incrassata apicem versus. Ad corticem arboris in Emsol Estate in 

 Dominica. 



2. C. (Byssophorum) cineritium (Ach.) Wain. Parmelia cineritia 

 Ach. Syn. Licb. 201, secund. specim. orig. in herb. Ach. (conf. 

 Wain. Etud. Bros. ii. 143), C. diplosponwi Nyl. Fi. 1886, 104 

 (Wright, Licb. Cub. n. 179, suppl. n. 3). Thallus crassitudine 

 mediocris, sat laxe contextus, cinereo-glaucescens aut sordide 

 albido-glaucescens, hypothallo laxissime contexto, infra thallum 

 nigricante, ad ambitum cinerascente aut nigricante aut rarius 

 subalbido. Pseudostromata elevata, rotundata aut diflbrmia, demum 

 depresso-convexa, basi demum abrupta aut leviter constricta, extus 

 et intus albida, gonidiis chroolepoideis superficiem versus instructa, 

 circ. 2-0-5 millim. lata, hymenia numerosissima aut rarius pauciora 

 continentia. Disci punctiformes, minutissimi, impressi, epruinosi. 

 Perithecium latere tenue, basi sat tenue, fusco-fuligineum. Hypo- 

 tbecium albidum, tenue (dilute fuscescens in Wright, Lich. Cub. 



