.1 "H ' 



V. 



•i* 



;{ 



-1 "i , 



/All— -"V-.- 



..y' ■'' 



\%' 



:j 



292 



eisenstein, prope Kutschuk-Ali in territorio africano Djur: Dr. 

 Schweinfurth. 



123. BuelUa a/ricana Mttll. Arg, Thallus argillaceo-cinereus 

 V. demum rufescens v. ferruginascens, crassitie mediocris, con- 

 tiguo-rimoso-fractus, areolae planae et parvae, hypothallus in- 

 distinctus; apothecia 1^ mm. lata, innato-sessilia, primum 

 plano-concava, margine parum prominente cincta, demum con- 

 rexiuscula et immai^inata, nigra et opaca, madefacta mollia; 

 lamina crassior subcupreo-fuscescens, tenuis fulvescenti-subhya- 

 lina, mollis, epitheeium fulvescenti-fuscum, hypotliecium tenue, 

 dilute fuscescens v. subhyalinum, paraphyses superne clavatae 

 Ibique modice moniliformes, asei 8-spori, sporae (2-loc., fuscae) 

 8—11 (X longae, 475—573 latae. — Juxta Bueiliam feriilem KSrb. 

 Lieh. Hochst. p. 33 (Nyl. in Flora 1864 Lich. Hochst. n, 8) in- 

 serenda est, a qua thalli colore, apotheciis et sporis minoribus 

 differt. A B. steUvkUa et afOnibus jam tballi areolis non discretis, 

 apotheciis primum baud depresso-innatis et hypothecio fere 

 hyaline diifert. B. aherrans Krplh. dein sporis muUo majoribua 

 gaudet. — Habitat in saxis gneissiacis in collibus Gumango, in 

 a&ic. territorio Nyamnyam, cum Placodio Uiaeode mixta at par- 

 cisslme lecta: Dr, Schweinfurth. 



124. Endocarpiscum SchoemfvrO^ii Mull Ai^. Thallus peltatus 

 orbicularis v. ambitu obtuse angulosus, 1—2 mm. latus, dein 

 2 — 4-plo major et varie radiatim lobatus, lobi obovati, retusi 

 T. majores inciso-paucilobulati, semper piano - convexi v. sub- 

 plani, ad marginem nonnihll deflexi, olivaceo-vireates t, olivaceo- 

 cinerei; baud sorediosi, subtus praeter gomphuni primo centralem 

 rhizinis aliquot crassis brevibus laxe affixi. Apothecia i^ota. 

 Primo intuitu ab B. Guepmi in eo dlstinguitur quod minor, 

 rigidior, obscurior, convexiuscula, et esorediosa, et dein prae- 

 sentia rhizinarum et haplogonimiis subduplo minoribus bene 

 differt. — Habitat in monte Baginse territorii gentium Nyamuyam, 

 quasi in vicinitate Lacus Nyanza, ubi legit cl. et egreg. Dr. 

 Schweinfurth, qui benevole Lichenes ex hoc territorio mihi 

 tradidit et insuper nuperius numerosos aegyptiacos mecum com- 

 municaTit quorum enumerationem mox in hocce Diario edi- 

 turus sum. 



125. Cryptoihek africanaMiXW. Axg, Thallus tenuis, furfuraceo- 

 granulosus v. subdisperso-granulosus, niger, opacus; apothecia 

 e verruciformi lecanorea, immerso-sessilia, demum crasse mai*- 

 ginata, 7s ^' f*^re 74 "i"i* ^^^^i cum thallo concoloria, discus 



