180 E- A. Vainio, Pyrenocarpeae. 



Gonidia ad Trentepohliam umbrinam pertinentia, cellulis 

 constricte concatenatis aut separatis, O.oio — O.012 mm crassis, 

 subglobosis, membrana modice incrassata. Paraphyses numero- 

 sae, simplices, crass. O.ooos mm. Asci cylindrici aut subcy- 

 lindrici, long. circ. O.110, crass. O.013 — O.oie mm, membrana 

 tenui. Sporae 8:nae, monostichae aut raro distichae, loculis 

 cylindricis. 



Obs. Specimen ex Arokoski in Padasjoki a Norrl. 1. c. com- 

 memoratum, a Nyl. determinatum, ad Porinam Norrlini Vain, pertinet. 



7. P. Norrlini Vain. (n. sp.). 



Vermcaria glaucocinerea Norrl. Bidr. Sydostr. Tav. Fl. (1870) 

 p. 195 p. p. (sec. determ. Nylandri), haud ,*V. glaucocinerea" Nyl. 



Thallus modice incrassatus, verruculoso-inaequalis et 

 subgranulosus, verruculis et granulis subcontiguis, sat con- 

 tinuus aut varie diffractus, cinerascens, opacus, caespites 

 muscorum obducens, hypothallo indistincto. Apothecia sat 

 sparsa, parte inferiore thallo immersa, demum semi-emersa 

 et verrucas formantia hemisphaericas, circ. 0.5 mm latas, 

 nigras, opacas, nudas, vertice ostiolari haud aut leviter 

 prominente, ostiolo minuto, haud aut interdum foveolato. 

 Perithecium subglobosum, fuscofuligineum, basi tenue. 

 Sporae fusiformes, apicibus obtusis aut sat acutis, long. 

 O.020—O.028, crass. O.ooe— O.009 mm, 3-septatae, loculis aeque 

 longis, membrana sat tenui aut modice incrassata, haud 

 gelatinosa. Gonidia a Trentepohlia iolitho praedita. 



Distr. Supra Grimmiam torquatam partim destructam 

 in rupe ad Arakoski in Padasjoki Tavastiae austr. (J. P. 

 Norrlin). 



Apotheciis multo majoribus, colore perithecii, thallo sub- 

 granuloso verruculosoque et gonidiis a P. glaucocinerea bene 

 differt. — Granula thalli verrucarum diametro. Gonidia cellulis 

 anguloso-subglobosis aut ellipsoideis, circ. O.018 mm crassis, con- 

 stricte concatenatis, membranis incrassatis (Trentepohlia iolithus). 

 Nucleus depresso-subglobosus, decoloratus, guttulas oleosas parce 

 continens, jodo non reagens, metaplasmate ascorum fulvo-rube- 

 scente. Asci cylindrici, long. circ. O.120, crass. O.012 mm, mem- 

 brana tenui. Paraphyses numerosae, simplices, crass. O.ooos — O.001 

 mm. Sporae 8:nae, monostichae aut distichae, loculis cylindricis. 



