44 i ON LICHENS COLLECTED IN TILE ISLAND OS RODMGUEZ 



GRAPHIS SCALPTURATA, Ach. 



Oil branches of trees; very sparingly gathered. ColL Balf. no. 2365. 



G. assimilis, Nyl. Prodr. Gall.\i. 150 (A r . Gran. p. /4). 



On the bark of trees; very sparingly gathered. ColL Balf. no. 2312. 



G. AXALOGA, Nyl. 



On the bark of trees, associated with other lichens ; sparingly gathered. 

 ColL Balf. no. 2218. 



Glyphis cicatricosa, var. fayulosa {Ach.) Nyl. N. Gran. p. 108. 

 On branches (twigs) of trees ; very sparingly gathered. ColL Balf no. 



2295. 



G. tricosula, Nyl, sp. 11. 



" Thallus albus vel albidus, opacus, tenuissimus, tenuiter nigricanti- 



limitatus ; apotheeia nigra, subcsesio-pruinosa, dendroideo-divisa, 



sparsa, parnm ramosa (divisionibus latit. 0*2 millim. veHenuioribus) ; 



spore 8nse, oblongae, 4-loculares, longit. 0*011-0012 millim., crassit. 



()05-0*00(J millim. (demum infuscatse) ; hypothecium fuscum. 

 11 Est Glyphis facie Medusulee fricosr^ simplicioris, notis allatis satis tute 



distinguenda." — Nyl. in lift. 

 On the thin epidermis of bark ; very sparingly gathered. ColL Balf 



no. 2363. 



Tribe Pyrenooarpei. 



Verrucaria 5-septatula, Kyi., sp. n. 



"Thallus macula albida indistincta vel nigricanti-limitata indicatus ; 

 apotheeia pyrenio integre nigro, supra denudata convexula (latit. 

 02-0*5 millim.) ; sporse 8nae, incolores, fusiformes 5-septatae, parva?, 

 longit. 0-013-0-018 millim., crassit. 0004-0-005 millim.; paraphyses 

 sat graciles, non confertae. Iodo gelatina hymenialis non tiucta. 



" Species videtur e stirpe Verrucaria chloroticce, sed paraphyses minus 

 confertae, quamobrera sit potius stirpis Vcrrucarice b-septutai, Nyl- 

 Pyrenoc. p. 58. " % 



On the thin epidermis of bark of trees : very sparingly gathered. ColL 

 Balf no. 2352. " 



V. CHLOROTICA, Ach. 



* 



Oil rocks ; probably not uncommon, and quite similar to the European 



plant. Spores 0018 millim. long, 00045 millim. thick. 

 On rocks; probably common. ColL Balf. no. 2282. • 



V. denudata, Nyl. Pyrenoc. p. 49. 



On the bark of trees ; very sparingly gathered. ColL Balf. no. l- - * 



Trypethelium cruentum, Mat. 



On the bark of trees ; very sparingly gathered. Spores 026-0 

 millim. Ion}?., 0*012-0-015 millim. thick. ColL Balf. 22J5. 



