Acta Societatis pro Fauna et Flora Fennica, 53, N:o 1. 157 



feme vel medio dilutius coloratum, aut in specimine orig. varians 

 partim fuscescens. Hymenium O.oso—O.oko mm crassum. Hymenium 

 superius aeruginosum, simul interdum epithecio subgranuloso fuligineo 

 obductum. Sporae bacillares aut partim subaciculares, septis vulgo 7, 

 raro in eodem apothecio 3, long. O.oss — O.023 (observante Nyl. — O.048) 

 mm, crass. O.003 — O.002 mm. — Etiam in specimine orig. v. melanoticae 

 Nyl. (n. 355 in mus. Fenn.) perithecium in margine saltem extus 

 aeruginosum et KHO violascens; ibi etiam thallus algis nigricantibus 

 obductus. 



Var. erythrochlora Vain. 



Thallus tenuis aut sat tenuis, verruculosus aut verrucosus, 

 cinereo- aut pallido-glaucescens, aut raro evanescens. Apothecia 

 disco atro. Hypothecium totum subviolaceum. Hymenium superius 

 aeruginosum. Perithecium saltem in margine extus aeruginosum, 

 KHO non reagens. Sporae sat longae mediocresve, septis numerosis. 

 Corticola. 



Distr. Ad corticem Salicis capreae et Populi. Ta.: Mustiala 

 (A. Kullhemi. Sat.: Sakkola in Ikalinen (V. Rasanen). Kuus.: livaara 

 (F. Silen). KKer.: Soukelo (P. A. Karsten). LPon.: Ponoi („L. bacilli- 

 fera f. incompta" Nyl. Lich. Lapp. Or. p. 155, Fellm. Lich. Arct. 176 

 in mus. Fenn., in herb. Nyl. n. 17458, est status in v. .subrufescentem 

 transiens). 



Thallus sat tenuis, verrucosus, sordide albidus aut cinereo- 

 glaucescens, aut evanescens. Apothecia lat. 0.4— O.3 mm, crass. O.2 mm. 

 Perithecium in margine extus aut totum aeruginosum, KHO non vio- 

 lascens, at saepe dilutius vix distincte aeruginosum evadit, intus saepe 

 est violaceum et inferne decoloratum. Hypothecium totum subviola- 

 ceum aut inferne dilutius coloratum. Sporae bacillares aut partim 

 subaciculares, long. O.027— O.oso (observante Kullh. „ — O.045"), crass. 

 0.002 0.003 mm, saepe 7-septatae. Hymenium O.oso — O.oeo mm crassum. 

 — In Malme Lich. Suec. Exs. XHI (1913) n. 315 hypothecio in var. 

 chlorocheilam Vain, transit. Conidangia, lat. O.no mm, atra, concep- 

 taculo (in lamina tenui) sordide violaceo-fuscescente, in vertice an- 

 guste subaeruginoso. Sterigmata simplicia, long. O.020, crass. O.005 mm, 

 apicibus conidia efferentibus. Conidia filiformia, bene arcuata, long, 

 circ. 0.020 — 0.014 mm. 



Var. epihypna (Nyl.) Vain. Lecidea bacillifera * subincompta 

 f. epihypno Nyl. in Norrl. Fl. Kar. Oneg. II (1876) p. 31. Bacidia 

 abbrevians f. epihypna Blomb. et Forss. Enum. Plant. Scand. (Points- 

 fort.) 1880 p. 81. 



Thallus modice incrassatus, verrucoso- et verruculoso-inaequalis, 

 pallidus aut cinereo-glaucescens. Apothecia disco atro. Hypothecium 

 superius rubricoso-fuscescens, inferius dilute coloratum. Hymenium 



