68 E. A. Vainio, Pyrenocarpeae. 



deae oblongaeve, ,,long. O.oos — O.0145, crass. O.005 — O.0065 mm" 

 (sec. Ras.). 



Distr. Ad lapidem calcarium lectum. Ostrobotnia bor. : 

 Tiurasenkrunni in par. Simo (V. Rasanen). 



Minutie apotheciorum et thallo obscurato V. peloclitam in 

 memoriam revocat, at thallo bene disperso et peritheciis dimi-' 

 diatis ab ea differt, et affinis V. virenti Nyl. et V. polystictoidi 

 Vain, praesertimque V. sparsiusculae Nyl., a qua posteriore thallo 

 cinerascente, nee virescente, et apotheciis paullo minoribus di- 

 stinguitur. — Thallus areolis difformibus, opacis. Perithecium 

 alt. O.190 — O.iso mm, latere haud angulato, ostiolo circ. O.024 mm 

 lato. „Nucleus jodo violascens" sec. Ras. Asci ventricosi clavative. 

 Paraphyses obsoletae. Sporae 8:nae, distichae, decolores, apicibus 

 rotundatis aut altero apice obtuso, guttulas duas oleosas saepe 

 continentes, quare 1-septatae apparent (sed KHO tractatae sunt 

 simplices), membrana tenui, haud gelatinosa. Gonidia pleuro- 

 coccoidea, globosa, vulgo glomerulosa, cellulis O.004 — O.ooe mm 

 latis. 



30. V. virens Nyl. 



in Nya Bot. Notis. 1853 p. 180, Exp. Pyrenoc. (1858) p. 24, Lich. 

 Scand. (1861) p. 270, Fl. 1881 p. 540; Hue Addend. II (1888) p. 277; 

 Vain. Lich. Vib. (1878) p. 71. 



Thallus crassus aut modice incrassatus, areolato- 

 diffractus vel areolatus, areolis circ. 3—0.5 mm latis, con- 

 tiguis aut partim subdispersis, crebre verrucosis verruculo- 

 sisque (verrucis O.2 — O.i mm latis, convexis aut depressis), 

 obscure aut cinereo-glaucescens, opacus, hypothallo indi- 

 stincto. Apothecia dispersa aut sat crebra, thallo immersa, 

 vertice perithecii dilute fuscescente aut fusco-nigricante 

 denudato, demum prominente et verrucam convexam O.2- 

 O.15 mm latam formante. Perithecium globosum, vertice 

 rufescente, ceterum albidum, latere rotundato, margine 

 ostiolari haud prominente, ostiolo parvo. Sporae ellipsoi- 

 deae oblongaeve aut ovoideae, long. circ. O.oie — O.020 mm 

 (,,0.012—0.022 mm" sec. Nyl.), „crass. O.007— O.009 mm" (sec. 

 Nyl.). 



Distr. Ad cementum et interdum lapides graniticos 

 murorum vetustorum et ad saxa calcaria. Nylandia: T616 

 Helsingforsiae (Vain.). Karelia austr.: Viburgum (Vain.). 



