226 J. Steiner, 



Vaw protothallina Kremplh. Flora, 1876, p. 267. 



Hyphothallo nigro praedominante, thallus KHO ut in specie 

 plus minus lutescens. 



Graniticola in reg. Athi-Plains crebre adest, insulas parvas 

 inter Calopl. ciiinahariuani formans. 



33. Buellia italica Garov. Delect. II, p. 21. 



Planta normalis, areolis bene diffractis, basalticola in reg. 

 Alhi-Plains exemplar unicum. 



Var. Recnbariana Mass. in Sched. crit. p. 163 et exs. n. 302. 



Thallus minus distincte areolatus. 

 Basalticola in reg. Athi-Plains. 



34. Rhizocarpon viridiatrum Flk. sec. Kerb. Syst. p. 262. 



Medulla J fulvescit. Sporae 16—21 [x lg., 9 — 11 [x lt., 1 — 3 

 Sept., cellulis hinc inde iterum divisis. Planta modesta, areolis 

 dissipatis v. nonnullis congestis, hyphothallo obscuro nullo. 



Basalticola inter alios lichenes rara in reg. Athi-Plains. 



35. Microphyale rufula Stnr. 



Thallus tenuissimus, farinosus, albus, insulas parvas in- 

 determinatas forraans, gonidia chroolepea majora. Apothecia 

 orbicularia ad 0-8 mm lata v. minora, subcrassa mox adpresso 

 sedentia. Discus primum punctiformis tandem ad 0*45 mm 

 dilatatus, planus v. subplanus, rufus, nudus. Excipulum pro- 

 prium marginem crassum, dilutiorem v. disco concolorem for- 

 mat, extus v. nudum v. diu thallo leviter albo-pruinosum. 



Paraphyses filiformes, subconnatae epithecium luteo-rufu- 

 lum formant. Asci elongati 64 [x lg., 8 — 11 [x lt., leptodermei. 



Sporae octonae, oblonge subfusiformes, hyalinae, 1-sep- 

 tatae 14 — 17 [x lg., 3-5— 4-5 jx lt. 



Hymenium J primum coerulescit mox obscure vinose 

 fuscescit. KHO nee epithecium nee excipulum aliter colorat. 



Corticola prope Matchakos. 



Nicht selten und hervorragend von den anderen Arten der 

 Gattung verschieden, aber unscheinbar, da immer nur kleine 



