280 



M. Fr.) accedeiiSj sed areolaruni superfieie et apotheciis in- 

 signituin est. — Tracliyticola in Andiiim Peruviensium collo 

 inter Lainpa et Arequipa: Lecliler n. 331G in lib. Kew. 



^ 12. Psora breviuscula (Nyl) Mull. Arg. L. B. n. 494 



V, javanica; Lecidea javanica Seliaer. in Moritzi Syst. 

 Verz. p. 128; Biatora javanica Montg. et v. d. Bo.sch. Lich. 

 Jav. p. 34; tlialli squamae ad inargines plus ininusve coral- 

 loidf'o-dissectae. liidiqua cum specie Jatissime distributa 

 conveniunt. — Java: Zolling. n. 838"^. 



13. Thalloidima Ayresianum Mull. Arg.; thallus 

 olivacco - luridus , squamosur^ ; squamae 1 ^/a — 5 mm lalae, 

 lobulatac et leviter crenatae, subadpressae, nonnihil imbri- 

 oatae, intus virentes; apotbecia nigra, ^\^ mm lata, platia, 

 prominenter margiiiata, demum 2 — 3-])lo ampliora et immar- 

 ^'inata, opaca; lamina superne late cupreo- nigricans, caete- 

 rum pallidior; asci angusti, 8-spori; sporae varie oblongo- 

 obovoideae, utrinqne obtusaej 2-loculares, 10 — 13 (t/ longae, 

 5 — 7 /t( latae. — Prima i'ronte fere Fsoram hiridam Mass. 

 simulatts, sed spoi'ae 2-Ioculares et tballus tenuior. Species 

 valde distincta, nulli cognilarum arete accedens. — Ad 

 terram, Ravine of Grand River in ins. Mauritius, ubi a clar. 

 Ayres parce lecta t'uit (hb. Kew.). 



14. Tballoidima (sect. Psorell a) Jan ei ronse Miill. 

 Arg.; thallus dense squamulosus, fulvescenti-pallidus; hypo- 

 thallus indistinctus; squamae parvulae, crenato-lobatae, subtus 

 albo-lanatulae, rigide et longiuscule isidio^^o-armatae ; isidii 

 oylindruU ^4— 2mmb)ngi, ^"/joo — ^^/loo nim biti, divcrgentes; 

 apothecia 1 — P/^ mm lata v. demum prolificatione ampliora 

 et turn irregularia, pallide marginata; discus obscure fuscus; 

 sporae longitudine valde-ludentes, 22— 42iU longae, 2^2 — 3^8^ 

 latae, aciculares, subrectae, 1— 3-sepktae et simul non sep- 

 tatae. — Prima fronte formam valid^m obscure macrocarpam 



simulat Psorae parvi/oUae y. fibrilliferac (Nyl.) JMiilb Arg., 



sed sporae aciculares et demum divisae. — Corticola propc 

 Rio de Janeiro, Portella (in hb. Kew,). 



15- Lecanora graneolaris Miill. Arg.; thallus cer- 

 vIno-albidu3, tenuis, subcorallino- granularis; granula circ, 

 ^^/loo n^m hita, apice subefflorescentia v. saltern albiora, brevi- 

 cyiindrica V. compressula, adscendentia; apothecia % — ^/g mm 

 lata, sessilia, crassiuscula, plana, margine albido crassius- 

 culo et integro v. crenato demum pulveraceo-granoso cincta^ 

 discus livido-fuscus; tbalamium olivaceo-subobscuratum, un- 

 dique sub microscopio virenti-hyalinum ; paraphyses tenellae 

 et conglutinatae; sporae in ascis angustis 8-nae, 13 — 16 /« 

 longae, 8 — 10 n latae, vulgo lato - ellipsoideae. — Habitu 



) 



