Acta Societatis pro Fauna et Flora Fennica, 53, N:o 1. 257 



Nyl. L. milliaria var. triseptata Nyl. in Hue 1. c. (L. ternaria var. 

 3-septata Nyl. Fl. 1878 p. 248), „ascis jodo persistenter caerulescenti- 

 bus" distincta, quoad specimina Europaea perperam jungitur cum 

 Bilimbia triseptata (Hepp), quae sec. specim. orig. in herb. Nyl. apo- 

 theciis majoribus, planis, persistenter marginatis instructa est. 



F. saxicola (Koerb.) Arn. Lich. Frank. Jur. (Fl. 1884) p. 179 p. p., 

 Lich. Exs. (Index, 1894) p. 5, n. 167 a. B. milliaria /i saxicola Koerb. 

 Par. Lich. 2 Lief. (1860) p. 171. 



Apothecia atra, vulgo simplicia. Thallus verruculosus, dispersus, 

 vulgo tenuis. Saxicola. 



Distr. Prope Humaljarvi in Kyrkslatt (G. Lang) et prope Selka- 

 pajanlahti Hoglandiae („L. ternaria" in Brenn. 1. c, „L. saxigena Uloth" 

 in herb. Nyl., n. 18698). 



Biatora lignaria d. saxigena Hepp, Flecht. Eur. HI (1860) n. 510, 

 a W. Uloth lecta {„Lecidea saxigena Uloth" sec. Nyl. Fl. 1881 p. 539), 

 apotheciis subsmaragdescentibus et lividis, apotheciis nigris immixtis, 

 a f. saxicola differens, in Fennia nondum coUecta est. L. milliaria var. 

 saxigena Leight, Lich. Brit. Exs. VII (1856) n. 210, sec. Stizenb. 1. c. p. 

 44 ad B. lignariam nostram pertinet. 



F. fraterculans Nyl. in Brenner Bidr. Hogl. Lafv. (1885) p. 92. 

 Lecidea fraterculans Nyl. Fl. 1875 p. 11, 448. 



Thallus crassus aut sat crassus, e verruculis et verrucis saepe 

 in glomerulos disperses confertis, albidis constans. Apothecia atra, 

 saepe p. p. aggregata confluentiave. Saxicola. 



Distr. N.: Somerikonvuoret Hoglandiae (Vain.). Ta. : Nyystola 

 in Padasjoki (Vain.). Sb. : Pisanvuori in Nilsia (K. Linkola). 



F. leucococca (Nyl.) Vain. Lecidea sphaeroides var. leucococca 

 Nyl. in Stizenb. Lee. Sab. (1867) p. 18. 



Apothecia uno latere vel subdimidiatim cinereo-rufescentia et 

 plurima omnino nigra, opaca, immarginata. Thallus tenuis, verru- 

 culosus et partim granulosus. 



Distr. Ad lignum vetustum in Evo (J. P. Norrlin). 



Perperam a Th. Fr. (Lich. Scand. p. 379) ad B. Naegelii relata est. 

 Notae internae sunt f. ternariae. Apothecia bene convexa, immarginata. 

 Hypothecium albidum, hyphis erectis. Epithecium in partibus nigris 

 aeruginosum. „Gelatina hymenialis, jodo caerulescens, dein vinose 

 rubens et sporae long. O.oie — O.023, crass. O.004 — O.005 mm, 3-septatae" sec. 

 annot. Nyl. Asci polystichi. Videas p. 244. 



F. triseptatula (Nyl.) Vain. Lecidea iriseptatula Nyl. Fl. 1875 

 p. 361. 



17 



