102 E. A. Vainio, Pyrenocarpeae. 



Thallus sat crassus, continuus aut raro in plagulas 

 squamaeformes contiguas aut reflexas solutus, sat laeviga- 

 tus aut verrucoso- vel verruculoso-inaequalis, giaucescen- 

 ti- vel sordide albidus aut cinerascens vel pallide rufescenti- 

 cinereus. Apothecia crebra, thallo immersa aut semiimmersa, 

 vertice 0.2 — 0.3 mm lato, convexo aut hemisphaerico, nigri- 

 cante, emergente denudatoque, margine ostiolari leviter 

 prominente, ostiolo sat parvo, leviter foveolato. Perithecium 

 globosum, vertice crasso, fuscofuligineo, ceterum tenue et 

 sordide pallidum vel partim dilute fuscescenti-pallidum, O.25 

 (O.2 — O.3) mm latum. Sporae 8:nae, decolores aut „pallidae" 

 (sec. Th. Fr.), murales, cellulis sat numerosis, long. O.ois — 

 O.034, crass, circ. O.012 mm („long. O.015 — O.030, crass. O.009 — 

 0.014 mm" sec. Th. Fr.). 



Distr. Karelia Onegensis: supra terrain calcem conti- 

 nentem inter muscos et lichenes in Valkeamaki (J. P. Norrlin). 

 Kuusamo: Ad terram humosam prope Kitkajoki (F. Silen). 

 Lapponia Ponojensis: Supra muscos humidos ad Orlow 

 (A. O. Kairamo). 



Thallus crass. 0.2 mm, sat opacus, superne strato corticali 

 obductus chondroideo, O.020 mm crasso, cavitatibus cellularum 

 brevibus, superne depressis, O.001 mm latis, membranis incrassa- 

 tis, hypothallo indistincto. In f. fimbriata Norm., Spec. Loc. Nat. 

 Lich. Norv. (1868) p. 369 (129) „plagulae squamaeformes rhizinis 

 densis fimbriatis" instructae. In f. cretacea Th. Fr., Polybl. 

 Scand. p. 19, „crusta albissima, farinoso-dehiscente". — Apothecia 

 vertice opaco aut leviter nitido, saepe partim strato chondroideo 

 decolore tenuissime obvelata. Periphyses numerosae, constipatae, 

 simplices, increbre septatae, long. O.025 — O.030, crass. O.001 — O.0015 

 mm, gelatina conglutinatae. Paraphyses in gelatinam diffluxae, 

 cavitates striis parcis indicatae. Asci subclavati aut difformes, 

 long. 0.080 — O.090, crass. O.016 — O.024 mm, membrana tenui, molli. 

 Sporae distichae, ellipsoideae, apicibus rotundatis, aut raro ovoideae 

 et altero apice obtuso, membrana tenui, haud gelatinosa, jodo non 

 reagentes. Nucleus albidus, parum resinoso-guttulosus, jodo roseus, 

 secundum Th. Fr. (1. c. p. 20) „interdum distincte caerulescens". 

 Gonidia pleurococcoidea, simplicia et interdum 2-cellulosa. 



Obs. Ad f. primariam Th. Fr. (Polybl. Scand. p. 19), „crusta 

 albida, inaequali, verrucoso-rugulosa" dignotam, pertinet specimen ad 

 Kitkajoki in Kuusamo lectum. F. muscicola (Hepp) Th. Fr. 1. c, secundum 



