Acta Societatis pro Fauna et Flora Fennica, 53, N:o 1. 321 



Distr. Ad saxa granitica, gneissacea et granulitica in 

 reg. subalp. montium Ukonvaara et Nuorunen (f. decolorata) 

 in Kuus, (Vain.), in Seidevaara in Lin. (F. Silen), Katschkova 

 in LPon. (N. I. Fellman, „L. aglaea" in Nyl. Lich. Lapp. Or. 

 p. 160 sec. specim. in mus. Fenn., f. Fellmani Vain.). 



Thallus modice incrassatus (aut raro sat crassus in f. Fell- 

 mani), areolis laevigatis, angulosis difformibusque aut raro rotun- 

 datis, lat. 0.3 — 0.8 ( — L5) mm. Apothecia lat. O.7 — 1 (0.6 — 1.5) 

 mm, irregulariter aggregata aut sat dispersa, vulgo thallum 

 superantia. Hypothecium fusco- aut subrubricoso-nigricans. Epi- 

 thecium nigricans aut aeruginoso-nigricans aut raro violaceo- 

 fuscescens. Sporae distichae, primum decolores, demum aerugi- 

 noso- aut fusco-nigricantes. Gonidia cystococcoidea, simplicia, 

 globosa aut raro subglobosa, diam. O.oos — O.ou mm, membrana 

 sat tenui aut modice incrassata, vacuolis lateralibus, saepe etiam 

 autosporas subellipsoideas, baud numerosas continentia. 



F. primaria Vain. 



Thallus areolis planis, vulgo angulosis, flavescentibus citrinisve. 



Distr. Ex Ukonvaara et Seidevaara supra indicata. 



Thallus KHO demum praecipitatum granulosum rubrum et cry- 

 stalla acicularia rubra in eadem areola formans. 



F. decolorata (Vain.) Zahlbr. Lich. Rar. Exs. II (1903) n. 25. L 

 chionophila var. decolorata Vain. Adj. Lich. Lapp. II p. 123. 



Thallus albus, partim citrinus. 



Distr. Supra rupem graniticam in reg. subalp. mentis Nuorunen 

 in Kuus. (Vain.). 



Thallus plagis rimosis et diffractis, majoribus minoribusque, 

 planis, sat tenuibus, supra hypothallum nigrum dispersis. Apothecia 

 irregulariter aggregata contiguave, thallum baud superantia, disco 

 piano, margine modice incrassato aut sat tenui, saepe leviter pro- 

 minente. Hypothecium fusconigrum. Epithecium sordide violaceo- 

 fuscescens. Sporae primum decolores, dein aeruginosae demumque 

 nigricantes, medio leviter constrictae, long. O.025— O.029, crass. O.oio — 

 0.013 mm. 



F. Fellmani Vain. 



Thallus areolis convexis, vulgo rotundatis, verrucaeformibus, 

 subcitrinis. 



Distr. Ad saxa granulitica in Katschkova inter Ponoi et Lum- 

 bovski in LPon. (supra indicata). 



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