292 



LICHENES ANTILLAKUM A W. E. ELLIOTT COLLECTI. 



ExpoNiT Edv. a. Wainio. 



(Concluded from p. 266.) 



6. PSEUDOPYRENULA. 



1. P. (Tkypetiielium) eluteri;e (Spreng.) Wain. Etud. Bros. ii. 

 204. Ad corticem arbonim in Anguilla in India Occidentali (n. 71 

 et 76). 



2. P. (Trypethelium) degenerans, sp. n. Thallus crassitudine 

 mediocris, pallidas aut passim fuscesceuti-pallidus, contiunus, Ifevi- 

 gatus, nitidulus. Apothecia pro majore parte irregulariter aggre- 

 gata et pseudostromatibus plus minusve distinctis, stepe satis 

 obsoletis, parum elevatis, difformibus, basi in thallum sensim 

 abeuntibus, extus et intus fuscescentibus aut fusco-nigricantibus, 

 niateriaui nullam ochraceam coutinentibus immersa, ostiolo nigro, 

 sajpe leviter impresso indicata. Perithecium globosum, circ. 0-3 

 millim. latum, fuligineum, integrum, crassum. Paraphyses ramoso- 

 connexa}. Spone 8ua3, oblonga^, apicibus obtusis aut rotundatis, 

 decolores, S-septata?, long. 0-025-0-028, crass. O-OIO-O'OU millim., 

 loculis lenticularibus. Ad corfcicem arboris in Laudat (1700 ped. 

 s. m.) in Dominica. Secundum descriptiouem affinis est T. in- 

 fascatulo Mull. Arg. Pyr. Cub. 389 (sporis muralibus ex Nyl. et Hue, 

 Lich. Exot. 302), at annulo ostiolari nullo. 



3. P. (Trypethelium) tropica (Ach.) Miill. Arg. ; Wain. Etud. 

 Bres. ii. 210. Ad corticem arboris in Anguilla in India Occidentali 

 (n. 78). 



4. P. (Heterothelium) endoxantha, sp. n. Thallus endo- 

 phlteodes, albidus, Irevigatus, nitidulus. Apothecia solitaria aut 

 parce confluentia, numerosa, verrucas 0-7-0-5 millim. latas, hemi- 

 sphfericas aut subconoideas, atras, nitidiusculas, baud umbilicatas 

 formantia. Perithecium compresso-subglobosum aut hemisphieri- 

 cum, fuligineum, vulgo dimidiatum aut rarius integrum, basi tenue 

 aut vulgo deficiens. Nucleus subglobosus aut hemispha-ricus, luteus, 

 KHO purpureus. Paraphyses ramoso-connexte. Spora? Bnte, de- 

 colores, 3-septatffi, long. 0-030-0-040, crass. 0-009-0-010 milhrn., 

 fusiformi-oblongas apicibus obtusis, loculis anguloso-lenticularibus. 

 Ad corticem arboris in Morne Anglais in Dominica. Affinis est 

 P. subf/regarue Miill. Arg. (Wain. Etud. Bres. ii. 213), a qua apo- 

 theciis uudis, emersis, et sporis majoribus differt. 



7. Thelenella. 

 1. T. (subg. EuTHELENELLA scct. Clathroporina) turglda, sp. n. 

 Thallus crustaceus, sat tenuis, membranaceo-obducens, fragilis, 

 continuus, verruculoso-ina'qualis, demum pustulato-rugosus et ad- 

 Hato-instratus et substrato laxe affixus, glaucescenti-pallidus vel 

 pallide albido-glaucescens, subtus nigricans, hypothallo cinereo- 

 nigricante anguste limitatus. Apothecia thallo immersa, infra 

 thallum subglobose deorsum prominula, supra thallum ostiolo 

 testaceo aut tuscesceute parvulo indicata, thallum baud superantia 



