42 E. A. Vainio, Pyrenocarpeae. 



Distr. Supra lapides graniticos et raro ad conchas 

 vetustas littorales. Nylandia: Makienpaallys Hoglandiae 

 (Vain.). Tavastia austr.: Hollola (J. P. Norrlin), Sutoisen- 

 niemi in Korpilahti (Vain., „V. mauroides" sec. Nyl. in Vain. 

 Fl. Tav. Or. p. 120). Tavastia bor.: Jyvaskyla (Vain.). Ostro- 

 botnia austr.: Karijoki (A. J. Malmgren). Lapponia Murma- 

 nica: Olenji (P. A. Karsten). 



Ad hanc formam pertinet etiam V. acrotella Ach. Meth. Lich. 

 p. 123. 



6. V. subfuliginea Vain. 



Adj. Lich. Lapp. II (1883) p. 171. 



Thallus modice incrassatus aut sat tenuis, subcontinuus 

 aut rimulosus aut partim demum rimoso-diffractus, laevigatus, 

 nigricans vel fusco-nigricans, opacus. Apothecia sat crebra, 

 thallo semiimmersa aut primum diu subimmersa, verrucas 

 formantia O.is — O.23 mm latas, hemisphaericas aut conoideo- 

 hemisphaericas, parte inferiore amphithecio thallino tenui 

 plus minusve distincto obductas, vertice atro plus minusve 

 late denudato. Perithecium subglobosum, fuligineum, inte- 

 grum, latere haud producto, margine ostiolari haud aut 

 leviter prominente, ostiolo parvo et haud foveolato aut saepe 

 demum leviter dilatato foveolatoque. Sporae oblongae aut 

 subfusiformi-oblongae aut ovoideo-oblongae, long. O.oie — O.024 

 ( — O.012), crass. O.005 — O.009 mm. 



Distr. Tavastia austr.: Supra lapides graniticos litto- 

 rales ad Karkistensalmi in Korpilahti („V. latebrosa" sec. 

 determ. Nyl. in Vain. Fl. Tav. Or. p. 120). Ostrobotnia 

 Kajanensis: Ad saxa dioritica et granitica littoralia inundata 

 vel subinundata lacus Kianta ad Kiannanniemi et in rivulo ad 

 Suomula in par. Kianta (Vain.). 



Thallo laevigata distinguitur a V. umbrinula et thallo eras- 

 siore obscurioreque a V. obnigrescente. Thallus crass, circ. 



O.Ho mm, irregulariter contextum, parte inferiore nigricans. 

 Gonidia pleurococcoidea, saepe glomerulosa, simplicia globosa et 

 diam. O.008— O.ooo mm, membrana laeviter incrassata. Perithecium 

 fuscofuligineum, latere rotundato. Periphyses long. O.020 — O.oie, 

 crass. O.002 mm. Paraphyses in gelatinam diffluxae, striis indicatae. 



