Acta Societatis pro Fauna et Flora Fennica, 49, N:o 2. 35 



Var. nitidula Vain. 



Verrucaria aethiobola var. morgacea f. nitidula Vain. Adj. Lich. 

 Lapp. II (1883) p. 174. 



Thallus tenuis, continuus aut parce rimulosus, cinereo- 

 fuscescens, nitidus, hypothallo indistincto. Apothecia ver- 

 rucas formantia depresso-hemisphaericas, 0.5 — 0.4 mm latas. 

 Perithecia fusconigra, integra, amphithecio thallino tenui diu 

 tota obducta, demum vertice anguste aut plus minusve late 

 denudato et nigricante aut impure nigricante. Sporae long - . 

 0.022 — 0.030, crass. O.oio — O.012 mm. 



Distr. Ad saxa granitica subinundata in rivulis ad 

 Kivisto in Padasjoki in Tavastia austr. et ad Veskoniemi in 

 regione pinifera Lapponiae Inarensis (Vain.). 



Affinis est var. margaceae. 



Var. subferruginea Vain. 



Adj. Lich. Lapp. II (1883) p. 175. 



Thallus modice incrassatus, rimosus, leviter ferroso- 

 tinctus, subrufescenti-fuscescens, opacus, hypothallo parum 

 evoluto. Apothecia lat. 0.4— 0.5 mm, diu late amphithecio 

 thallino obducta, vertice anguste aut parcius demum late 

 denudato nigricanteque. Sporae long. O.024 — O.030, crass. O.oio — 

 O.014 mm. 



Distr. Ad saxa granitica, dioritica et chloritico-schistosa 

 inundata vel subinundata fluminum rivulorumque obvia. Ka- 

 relia bor.: Viekijoki in Lieksa (Vain.). Ostrobotnia Kajanensis: 

 Saarenkoski in Kianta(Vain.). Kuusamo: Kiekkipuro ad Paana- 

 jarvi (Vain.). 



V. margacea var. cataleptoides f. ferruginosa Nyl., Exp. 

 Pyrenoc. p. 26, ad V. clopimam Dub. Bot. Gall. p. 647 spectans 

 („sporis long. O.018, crass. O.oos mm"), sec. specim. haud orig. 

 in herb. Nyl. thallo bene ochraceo, apotheciis minoribus et 

 sporis „long. O.016 — O.022, crass. O.009 — O.011 mm" a var. subferru- 

 ginea, quae proxime affinis est var. margaceae, differt. 



Var. Leightonii (Hepp) Vain. 



Verrucaria Leightonii Hepp Flecht. Eur. (1853) n. 95 (in herb, meo), 

 nee Mass., nee Arn. 



