LICHENES ANTILLAUUM A W. R. ELLIOTT COLLECTI. 7i 



Etud. Brcs. i. 2UG. Ad truncum arboris in Moriie Couroiiue in 

 Dominica (n. 220). 



3. CoCCOCARPIA. 



1. C. PELLiTA (Ach.) Miill. Avg. vai'. parmelioides (Hook.) 

 Miill. Arg. ; Wain. Etud. Bres. i. 209. Ad corticem arboris in 

 Morne Anglais in Dominica (n. 497). 



Var. cRONiA (Tuck.) Miill. Arg.; Wain. I.e. In rupe ad Bath 

 Estate in Dominica (n. 143). 



Var. isiDioPHYLLA Miill. Arg. ; Wain. I. c. 210. Ad corticem 

 arboris in monte St. Andrews in St. Vincent (n. 154) et in Lay on 

 Park in Dominica. 



Var. SEMi-iNcisA Miill. Arg. Lich. Beitr. n. 421. Supra rupem 

 in Chateau Belair in St. Vincent. 



Var. isiDiosA Miill. Arg. Lich. Usambar. (1B94), 2(j4. Supra 

 rupem in Chateau Belair m St. Vincent (una cum priiecedente in 

 n. 282). 



Var. genuina Miill. Arg. ; Wain. l. c. Ab hac var. incisa (Pers.) 

 secund. specim. orig. in mus. Paris, apotheciis fuscis differt. Ad 

 corticem arboris in Chateau Belair in St. Vincent (n. 257). 



2. C. ASTERELLA (Nyl.) Waiu. I.e. 211. Ad corticem arboris in 

 Laudat (17U0 ped.) in Dominica. Sterilis. 



Trib. 9. Colleme^. 

 1. Leptogium. 



1. L. moluccanum (Pers.) Wain. Etud. Bres. i. 223. L. dia- 

 phanwn Mont, (baud Sw.). Ad corticem arborum in monte St. 

 Andrews (2500 ped.) et in Richmond Valley in St. Vincent. 



2. L. tremelloides (Linn, til.) Wain. I. c. 224 (baud Ach.). 

 Lichen azureus Sw. Ad truncos arborum in Layon Park (800 ped.) 

 in Dominica (n. 222) et in Monte St. Andrews (2500 ped.) et Eich- 

 mond Valley in St. Vincent. 



3. L. CESIUM (Ach.) Wain. /. c. 225. L. tiemeUoide.^ Nyl. (baud 

 Linn. fil.). Ad corticem arborum in Morne Garu (n. 59) et in 

 monte St. Andrews (2500 ped.) in St. Vincent. 



4. L. BULLATUM (Ach.) Nyl. ; Wain. /. c. 229. Ad corticem 

 arboris in monte St. Andrews (2500 ped.) in St. Vincent. 



5. L. RETicuLATUM Mout. Syll. 378 ; Nyl. Syn. Lich. 124. Ad 

 corticem arboris in Eichmond Valley in St. Vincent. Sterile. 



2. PSOROTICHIA. 



1. P. americana, sp. n. Thallus sat tenuis, effusus, rimoso- 

 areolatus aut partim subcontinuus, areolis minutis (circ. 05-0-3 

 millim. latis), difformibus, angulosis, contiguis, plains, fusco- 

 nigris, opacis, hevigatis, in lamina tenui (sub microscopio) olivaceo- 

 lutescens aut aureus. Apothecia verrucas hemisphfcricas formautia, 

 disco punctiformi, urceolato-impresso, fusco-rufescente, in statu 

 humido testaceo-rufesccnte aut testaceo. Hymenium circ. 0-090 

 millim. crassum, iodo baud reagens (lutescens), parte superiore 

 pallescens. Paraphyses filiformes, 0-0015 millim. crassae, sat arete 



