106 E. A. Vainio, Pyrenocarpeae. 



ter prominente, haud impresso, ostiolo minutissimo. Sporae 

 8:nae, decolores, murales, seriebus transversis cellularum 

 circ. 6 — 8, irregularibus, long. O.030 — O.045, crass. O.016 — 

 O.020 mm. 



Distr. Supra saxa calcaria. Karelia Onegensis: Popon- 

 saari in par. Suojarvi (J. P. Norrlin). 



Nucleus albidus, haud resinoso-guttulosus, jodo roseus. 

 Paraphyses obsoletae, striis tenuissimis, abruptis indicatae. Asci 

 ventricoso-clavati, long. circ. O.090, crass. 0.036 — O.042 mm, mem- 

 brana sat crassa, gelatinosa. Sporae distichae aut tristichae, 

 ellipsoideae oblongaeve, apicibus vulgo rotundatis, jodo non 

 reagentes, membrana sat tenui. Gonidia globosa, simplicia 

 diam. O.005 — O.007 mm, saepe 2-cellulosa aut glomerulosa, pleuro- 

 coccoidea. — Proxima P. Foranae (Anzi) Koerb., quae sec. spe- 

 cim. orig. n. 3674 in herb. Nyl. apotheciis semiimmersis et sec. 

 descr. in Anzi Cat. Lich. Sondr. (1860) p. 105 datam sporis 

 minoribus, „long. O.0225 — O.0243, crass. O.0093 — O.0112 mm latis" 

 ab ea differt. In specim. orig. P. inumbratae (Nyl.) A. Smith 

 perithecium fusconigrum, basi deficiens, amphithecio thallino 

 fusco-cinerascente obductum, apice denudatum, sporae pallidae, 

 murales, cellulis numerosissimis, in seriebus transversis irregulari- 

 bus circ. 12, sec. A. Smith (Mon. Brit. Lich. II p. 302) „pallido- 

 fuscescentes, long. O.033 — O.062, crass. O.on — O.032 mm". Af finis 

 etiam est P. integrascens (Nyl.) Vain., perithecio subintegro et 

 thallo albido vel albido-cinerascente, magis evoluto, a P. hyperborea 

 differens. 



10. P. intermedia Th. Fr. 



Polybl. Scand. (1877) p. 24; Zschacke Hedwigia 1914 p. 305. 

 Verrucaria intermedia Vain. Adj. Lich. Lapp. II (1883) p. 170. Verrucaria 

 intercedens *V. intermedia Nyl. Enum. Lich. Fret. Behr. (1888) p. 89 



Thallus tenuis, dispersus, albidus aut cinerascens, aut 

 evanescens. Apothecia sat crebra aut dispersa, thallo sub- 

 stratove semiimmersa, lat. circ. O.2— 0.3 mm, vertice con- 

 vexo, subhemisphaerico, nigro, nudo, margine ostiolari haud 

 aut parum prominente, ostiolo parvo, haud foveolato. Peri- 

 thecium globosum, superne fuscofuligineum aut subviola- 

 ceo-fuscescens, inferne sordide pallidum aut extus tenuiter 

 fuscescens et subintegrum, margine ostiolari haud promi- 

 nente, ostiolo parvo. Sporae 8:nae, decolores, submurales, 



