— 57 — 



métro œquans, lotus opaco-aihus, leniiissinie siihpulvei'iiloiitus,- 

 centro nreolato-depresso-glehosus, peripherice pulchrc elfigu- 

 rato-laciniatus, laciniiip arcte adnata», adpresso-adplanatœ, 

 Liltimaî latiusciile rotiindata^ et subcrenatae, marcine ultimo 

 nonniliil turuido et subgranuloso leviter concavfe; apothocia 

 nutnerosa, 1-1 Vs™"' ''^^"- niargo tenais et primum prominehs, 

 albus, demiim undulatus: discus subplanus, gilvo-fuscescens 

 V. gilvo-pallescens, epruinosus; lamina cum hypothecio hya- 

 lina, epithecium crassiuscule flavescenti-fuscum, paraphyses 

 conglutinatffi, asci subangusti, 8-spori; spone oblongo-ellipso- 

 idese v. ovoideae, H-1^[;l longse, 5-6[jl latœ; gonidia diametro 

 10-1 2 IX œquantia. — Primo intuitu fere cum PI. savicolo v. 

 alhopulverulento convenit, sed apothecia aliter colorata, thal- 

 lus undique albus et laciniao ultinife subconcavie iatiusculœ, 

 quo charactere, pneter sporaruni minutiem et colorem apothe- 

 ciorum, etiam a subsimili PI. suhcandicante Miill. Arg. e val- 

 lée de Bagnes, di versa est. — Sur les blocs, rare. « 



6. Buellia heteropsis Mull. Arg. Simillima est diversissiniie 

 Lecideœ confluentulœ Mull. Arg. (in Flora Ratisb. 187:2, p. 

 536, ubi sporaesimplices et hyalinœ), nec non Buelliam nlym- 

 picam Miill. Arg. (Licli. Beitr. N° 159) satis bene simulans at 

 magis stenospora et microspora et hypothecio crasso atro-fusco 

 pnedita, athallina (thallus saltem non observatus); apothecia 

 numerosa, approximata (haud seriata), plana, Vs'Vi"'" \'aI<^-, 

 prominenter et tenuiter marginata, discus rufescenti-ater v. 

 ater, demum turgescens v. hemisph;ericus, intus concolor; la- 

 mina hyalina, epithecium fuscum, hypothecium crassum et 

 atro-fuscum, paraphyses graciles, superne capitatœ et articu- 

 latae, asci cylindrici, apice pachydermei, 8-spori; sporte gra- 

 ciles, 10-12 [;l longae, 31/2-5 v, saepius S^/^ix latae, oblongato- 

 ellipsoideae, e viridi fuscœ, 2-loculares. — Prima fronte facile 

 pro forma macra Lecideœ crusfulaùe aut L. goniophilœ lia- 

 benda. — Sur les blocs de la pente chaude. 



7. Encephalographa (sect. Dactylospora) pulvinata Mull. 

 Arg., Leciographa pulvinata Rehm in Lojka Bericht 1869, 

 p. 500. — Parois de roches humides sur Dermatocarpon minia- 



