136 Kryptogamen. — Flechten. 



270. E. P. subargentifera Nyl. 41, p. 359. Subsimilis P. glabrae (Schär.), sed thallus sub- 

 opacus laxe imbricatus, lobis laciniarum (praesertim terminalibus) albosorediellis. — 

 Auf Felsenmoos, Finland. 



Physcia. 



271. e. Ph. concrustans Nyl. 41, p. 359. Est quasi Ph. obscura (et forsan ejus subsp.) 

 major crassior, thallo pro maxima parte verrucoso-corrugato., etiam apotheciis (d. 

 2— 3mm.) a thallo demum verrucoso-marginatis. — An Pappeln, Finland. 



272. e. Ph. endochroidea Nyl. 42, p. 442. Forsan non specie distat a Ph. ulotriche, sciastrae 

 subsimilis, thallo nigricante adnato, tenuiter laciniato (lac. 0,2— 4 mm. lat.) intus pro 

 magna parte ochraceo-fulvescente v. Variante ochraceo-cinnabarino. Apothecia lecanoro- 

 ideo-parmelina (0,5—8 mm. lat.) nigra, receptaculo subtus fibrillis rhizinoideis nigris 

 brevibus parum distincte munito. Sporae 14— 18m lg., 6— 8m er. — Auf Felsen, Finland. 



273. E. Ph. endochrysoidea Nyl. 42, p. 442. Facie Ph. obscurae thallo cinereo (sorediis 

 glaucescentibus v. alibi obscure caesiis, passim convexis confertis munito) , intus flavo 

 et supra K flavo-virescente. — Auf moosigem Glimmerschiefer, Siebenbürgen. 



274. e. Ph. lithotodes Nyl. 41, p. 360. Est ad Ph. ulothricem fere ut var. lithotea est ad 

 Ph. obscuram, at forsan propria species ob apothecia lecanoroidea, margine sc. thallino 

 sat tenui crenulato. — Auf Felsen, Finland. 



275. e. Ph. retrogressa Stirt. 47, p. 85. Sat similis Ph. stellari, sed medulla (K — ) et sporis 

 nonnihil minoribus, 13— 18 m lg., 7 — 9 m er. — An Rinde, Schottland. 



Pertusaria. 



276. Am. P. Canadensis Stirt. 47, p. 90. Thallus rimoso-areolatus passim ruguloso-inaequalis 

 tenuis pallidus. Apothecia verrucis subconvexis v. convexis sublaevibus inclusa, epi- 

 thecio irregulariter lecanorino (d. 0.2— 4 mm.) planiusculo fusco-nigro; sporae 1—2-nae 

 oblongae, 54— 77 m lg., 20~30 m er. — An Rinde, Canada. 



277. Au. P. circumcincta Stirt. 48, p. 464. Thallus granuloso-congestus crassus subfarinosus 

 albidus v. cinereoalbidus. Apothecia occlusa, demum lecanoroidea (d. 1,5 mm.) coneava, 

 margine prominulo lacerato v. tuberculoso, fusca albopruinosa; sporae oblongae, 130 m lg-, 

 34 m er. — An Rinde, Neu-Seeland. » 



278. e. ? P. diaxantha Nyl. 41, p. 363. Facie fere, ut in Lecanora tartarea, sed thallus 

 C— (nee K tinetus) et sorediis flavis granulosis demum confluentibus efflorescens. Sterilis. 

 — An Felsen, Finland. 



279. Am. P. intranidulans Stirt. 48, p. 92. Thallus tenuis laevigatus albidus. Apothecia 

 verrucis thallinis parvis inclusa , ostiolo nigrescente caesioprninoso , dein explanato, 

 lecanorino farinoso; sporae oblongae, 75— 90m lg., 28m er. — An Rinden, Canada. 



280. e. *P. (communisj leiotera Nyl. 40, p. 303. Facie externa est P. leioplacae, sed 

 sporis 1 — 2-nis. — An Buchen, Dänemark, Frankreich. 



281. Au. P. pertraetata Stirt. 47, p. 93. Thallus nonnihil ruguloso-inaequalis laevigatus 

 albidus. Apothecia verrucis prominulis, planiusculis majusculis sparsis, plura saepius 

 in singulis inclusa, ostiolo papillato pallido v. pallide fuscescente; sporae 8-nae uni- 

 seriatae, 26— 38m lg., 13— 18 m er. Auf Holz, Tasmanien. 



282. e. P. violaria Nyl. 40, p. 299. Thallus glebuloso-diffractus, subeerebriformi-verrueosus, 

 crassulus (1 mm. er.) albido-cinerascens. Sterilis. (Thallus C ^ , violaceus.) Incerti 

 generis. — Auf Serpentin, Frankreich. 



Phlyctis. 



283. As. Ph. arachnoidea Kremph. 27, p. 16. Thallus indeterminatus macularis subcontinuus 

 tenuis, araneosus byssoideo-foveolatus, demum sublepidotus. Apothecia dispersa minu- 

 tissima punetiformia coneava obscura, margine crassiusculo albido et virescente, sub- 

 holosericco-ciliato ; sporae singulae, fusiformi-oblongae, 13— 14m lg., 4-5 ra er. — An 

 Blättern, Borneo. 



284. Au. Ph. oleosa Stirt. 48, p. 464. Thallus areolato-diffractus laevis albidus, areolis con- 

 cavis recurvis. Apothecia aggregata, rarius sparsa, depressa margine dentato inflexo, 

 rufo-cervina, ochraeeo-pruinosa; paraph. apice rufulae; sporae 4-nae, 7-septatae, 

 cylindraceo-ellipsoideae, curvatae, 80 ra lg., 18 m er., incol. — An Stämmen, Neu-Seeland. 



