36 E. A. Vainio, Pyrenoearpeae. 



Thallus modice incrassatus aut sat tenuis, rimosus, 

 pallido-luridus griseusve, opacus, hypothallo parum evo- 

 luto. Apothecia lat. 0.5 — 0.4 mm, diu lateque amphithecio 

 thallino obducta, vertice anguste aut saepe demum late 

 denudato. Sporae long. O.024 — O.030, crass. O.010 — O.on mm. 



Distr. In saxis ad cataractam Kongas prope Mare 

 Glaciale in Lapponia Inarensi (Vain.), ad Kirjavalahti in 

 Karelia Ladogensi (W. Nyl.), ad Lounatpuoli Hoglandiae 

 (Vain., „V. latebrosa" sec. Nyl. in Brenn. 1. c. p. 125). 

 Specimina ad Nikola ad fl. Svir in Karelia Olonetsensi 

 („V. cataleptoides" sec. determ. Nyl. in Elfv. Ant. Veg. Svir 

 p. 170, n. 2879 in herb. Nyl.) et ad Siikainen in Satakunta 

 (A. J. Malmgren) collecta ab his leviter differunt. 



Huic proxima etiam est Hepp Flecht. Eur. IV (1867) n. 942 

 [„Verr. catalepta ;1. alutacea (Wallr.) Hepp". Diversa est Verrucaria 

 Leightonii Mass. Sched. Crit. (1855) p. 30 1= Leight. Lich. Brit. Exs. 

 n. 140), Amplwridium Leightonii Arn. Lich. Frank. Jur. p. 256. 



Addentur adhuc formae sequentes, quae leviter a var. 

 Leightonii (Hepp) differunt: 



F. cinereoalbescens Vain. Thallus rimosus, cinereo- 

 albescens, opacus, hypothallo ad ambitum leviter aut parum 

 evoluto. Apothecia thallo immersa, vertice 0.3— 0.2 mm lato 

 nigricante, denudato et saepe demum leviter parumve pro- 

 minente. Sporae sec. Nyl. „long. O.028, crass. 0. oh — O.oismm". 

 In rupe granitica littorali rivuli ad Tali prope Helsingforsiam 

 (Vain.). Fragmentum ejusdem speciminis in herb. Nyl. (n. 2842) 

 nominata est „ V. latebrosa", et planta facie externa similis 

 in Lojka Lich. Hung. Exs. n. 160 „V. latebrosa f.devergescens 

 Nyl." Specim. orig. V. devergescentis Nyl. (Fl. 1877 p. 462) 

 n. 3025, magis simile est v. margaceae, at sporis angustio- 

 ribus, long. O.019 — O.029, crass. O.oos— O.oiu mm, perithecio 

 subhemisphaerico, lat. O.40 — O.35 mm, basi tenui. 



F. einereorugulosa Vain. Thallus rimosus, verruculoso- 

 inaequalis, cinereus aut sat obscure cinerascens, opacus, hypo- 

 thallo parum evoluto. Apothecia verrucas formantia 0.4(0.3) 

 mm latas, amphithecio thallino omnino obductas, vertice 

 perithecii raro demum plus minusve denudato nigricanteque. 

 Sporae sec. Kullh. „long. O.02G — O.036, crass. O.012 — O.015 mm". 



