ltchenes antillarum a w. r. elliott collecti. 69 8. Pyxine. 1. P. Meissneri Tuck. ; Wain. Etud. Bres. i. 153. Ad corticem arboris in Chateau Belair in St. Vincent, fertilis parce Physciis immixta, Thallus esorediatus, intus flavescens. Epitliecium smaragdulo-fuligineum, KHO pulchre violascens. Hypothecium fuscescens, KHO non reagens. Sporae l-septatse. 2. *P. connectens Wain. I. c. 154. Ad corticem arboris in Kingstown in St. Vincent. Apothecia primum sat diu excipulo thallode glaucescenti-albido gonidia continente instructa, demum lecideina et extus tota nigra. Epithecium smaragdulo-faligineum, KHO pulchre violaceo-fuKgineum. Hypothecium paUido-fuscescens, KHO violaceum. Sporae 1-septatae, fuscae, long. 0'016-0'018, crass. 0006-0'0065 millim. Thallus sorediis instructus, intus albus, KHO neque superne nee intus reagens. 3. P. soREDiATA (Ach.) Fr. ; Tuck. Syn. North Am. (1882), 80. Lecidea sorediata Ach. Syn. Lich. (1814), 54 ; Nyl. Addit. Fl. Chil. (1855), 163. Pyxine cocoes var. sorediata Nyl. Syn. Lich. ii. (1885), 2. Thallus sorediis instructus, medulla in partibus junioribus alba, in partibus vetustioribus flava, KHO neque superne nee intus reagens. Ad corticem arboris in Kingstown in St. Vincent. Sterilis. 4. RiNODINA. 1. R. L^viGATA (Ach.) Wain. Lecanora Nyl. Fl. 1878, 248 et 845 ; Wain. Aclj. Lich. Lapp. i. (1881), 151. Ad corticem arborum in Roseau Valley (n. 117, pr. p.) et in Laudat (1700 ped.) in Domi- nica. Thallus tenuis aut parum evolutus. Epithecium fuscescens, KHO non reagens. Hypothecium pallidum, KHO non reagens. Sporae 8n8e, fuscescentes, l-septatae, long. 0018-0-026, crass. 0-009- 0.018 millim. Hymenium iodo persistenter caerulescens. Apothecia margine cinereo-fuscescente, disco fusco-nigro, nudo. 5. BUELLIA. 1. B. MYRioGARPA (DC.) Mudd ; Wain. Etud. Bres. i. 170. Ad corticem arboris in Soufifriere in Dominica (n. 121) et supra rupem in Chateau Belair in St. Vincent (n. 457). Haec specimina ad formas atypicas pertinent. 2. B. PARACHROA Wain. ^Etud. Bres. i. 175. Supra rupes ad Boery River (n. 156) in Dominica et ad Fort Charlotte (n. 259, pr. p.) et alibi ad Kingstown in St. Vincent. Trib. 7. SxicTEiE. 1. Sticta. 1. S. Weigelii (Ach.) Wain. Etud. Br^s. i. 189; Stizenb. Fl. 1895, Erganz. 133. Ad corticem arborum in Lay on Park (800 ped.) in Dominica (n. 221) et in Richmond Valley in St. Vincent (n. 228). Stictina quercizans (Del.) Nyl. Syn. Lich. p. 844 (haud Ach.). 2. S. damsecornifolia (Tuck.) Wain. S, quercizans v. dames- cornijolia Tuck. Syn* North. Am. Lich. i. 98. Stictina tomentosa v.
