Acta Societatis pro Fauna et Flora Fennica, 49, N:o 2. 99 



Man. Brit. Lich. (1861) p. 282. Polymastia monstrum Koerb. Lich. Sel. 

 Germ. XIV (1873) n. 411. 



Exs. Koerb. Lich. Sel. Germ. XIV (1873) n. 411. — Rabenh. Lich. 

 Eur. Exs. XXXVI (1879) n. 962. — Havaas Lich. Exs. Norv. (1902) n. 

 129. — Malme Lich. Suec. Exs. X (1912) n. 250, XV (1913) n. 375. 



Thallus modice incrassatus aut tenuis, rimoso-diffractus 

 aut subcontinuus aut dispersus, sat laevigatus, albidus aut 

 olivaceus, aut evanescens. Apothecia verrucas formantia 

 0.8—0.3 mm latas, hemisphaericas, basi sat praeruptas, nigras, 

 nudas, opacas, vertice convexo aut vulgo margine ostiolari 

 angusto (O.i — O.15 mm lato) leviter prominente aut raro le- 

 viter impresso, ostiolo parvo, haud aut rarius leviter foveo- 

 lato. Perithecium depresso-subglobosum, integrum, fusco- 

 fuligineum. Sporae 8:nae, obscuratae, murales, cellulis 

 numerosissimis, long. O.030 — O.040, crass. O.015 — O.017 mm, se- 

 cund. Th. Fr. long. O.026 — O.040, crass. O.013— O.021 mm, ob- 

 servante Arn. long. O.036— O.045, raro 0.048, crass. O.015 — 

 O.026 mm. 



Distr. Ad saxa micaceo-schistosa prope Kola in Lap- 

 ponia Tulomensi (N. I. Fellman). 



Apothecia sparsa aut crebra. Perithecium amphithecio 

 nullo obductum, interdum basi thallo immersum. Nucleus albidus, 

 parce resinoso-guttulosus, jodo dilute vinose rubens, metaplasmate 

 ascorum rubescente. Periphyses numerosae, constipatae, simplices, 

 increbre septatae, long. circ. O.040, crass. O.0015 mm, membrana 

 tenui. Paraphyses in gelatinam diffluxae, cavitates striis distinc- 

 tis indicatae. Asci clavati, long. circ. O.120 — O.110, crass. O.025 — 

 0.036 mm, membrana sat tenui, molli. Sporae distichae, fere mox 

 olivaceo- aut fuscescenti-obscuratae, ellipsoideae oblongaeve, 

 apicibus rotundatis, jodo non reagentes, membrana tenui, haud 

 gelatinosa. Gonidia pleurococcoidea, saepe simplicia. — Speci- 

 men in Kola lectum, ad f. Kolaensem Vain, pertinens, thallo oliva- 

 ceo, tenui differt a f. Britannica Vain., thallo crassiore, albido 

 instructa, et f. monstrum (Koerb.) Vain., thallo evanescente ab 

 his distinguitur. 



Stirps 2. Hyalospora Zschacke. 

 Sporae decolores aut demum pallidae. 



