28 E. A. Vainio, Pyrenocarpeae. 



Distr. Ad saxa inundata vel subinundata praesertim 



in littoribus rivulorum vel etiam lacuum, rarius in pratis 



crescit, passim in provinciis meridionalibus mediisque ob- 



veniens. Lapponia Inarensis: In regione betulina ad Kongas 



prope Mare Glaciale (Vain.), Kultala (Vain.). Lapponia Tulo- 



mensis: Kola et Kitofka (N. I. Fellman). Lapponia Murma- 



nica: Jokonga (Fellm.). Lapponia Ponojensis: Kislaja Guba 



(Fellm.). Kuusamo: In regione abietina nonnullis locis (Vain. 



Adj. Lich. Lapp. II p. 174), ad Tavajarvi lecta. 



In v. margaceam saepe transit. Nucleus albidus, guttulas 

 resinosas continens, jodo violascens. Perithecium fuligineum, 

 basi tenue aut medio subalbidum, ostiolo circ. O.020 mm lato. 

 Periphyses constipatae, numerosae, long. O.010 — O.020, crass. 

 O.015 — O.003 mm, articulatae, articulo apicali interdum globoso 

 constrictoque. Paraphyses in gelatinam diffluxae, tubulo tenuis- 

 simo interdum bene conspicuo continuoque. Asci ventricosi aut 

 clavati aut oblongi, long. circ. O.050 — 0.060, crass. O.020 — O.024 mm, 

 membrana modice incrassata, gelatinosa. Sporae 8:nae, distichae. 

 oblongae ellipsoideaeve, apicibus obtusis rotundatisve. Gonidia 

 pleurococcoidea, globosa, simplicia diam. O.oos — O.005 mm, parce 

 2-cellulosa. 



Obs. 1. V. latebrosa f. subecrustacea Brenn., Bidr. Hogl. Lafv. 

 (1885) p. 125, in Valikallio et Pohjoiskallio Hoglandiae collecta 

 (M. Brenner), sec. specim. orig. a Nyl. „V. margacea (subecrustaceal" 

 nominatum, „sporis long. O.022 — O.030, crass. O.on — O.014 mm", thallo 

 cervino, tenui, apotheciis 0.5 — 0.4 mm latis, totis nigricantibus denu- 

 datisque instructum, intermedia est inter v. primariam et v. marga- 

 ceam. 



Obs. 2. V. aethiobola Wahlenb. sec. specim. orig. in herb. Ach. 

 ad hanc var. pertinet; specim. sinistrum peritheciis nudis, fuligineis, 

 basi anguste fuscescentibus aut pallido-fuscescentibus, latere haud 

 anguloso-productis, nucleo depresso-subgloboso; specim. dextrum 

 peritheciis majoribus, nudis, fuligineis, basi anguste fuscescentibus, 

 latere haud productis, hemisphaericis, nucleo globoso. 



Var. internigrescens Nyl. 



in Brenner Bidr. Hogl. Lafv. (1885) p. 125. — Havaas Beitr. Nor- 

 weg. Flecht. (Bergens Mus. Aarb. 1909) p. 35. 



Thallus tenuis, rimulosus, sordide cinerascens, opacus, 

 varie dispersus et partim areolis dispersis, hypothallo tenui 

 nigricante ad ambitum et inter areolas evoluto. Apothecia 



