Acta Societatis pro Fauna et Flora Fennica, 53, N:o 1. 155 



Quercus, Alni, Tiliae, Ulmi, raro in rupibus calcariis schisto- 



sisve et ad terram et supra muscos rupium, frequenter vel 



sat frequenter in provinciis meridionalibus mediisque obvenit, 



septentrionem versus rarescens, et in Lapponia pluribus 



locis lecta. 



Var. endopoTphyrea Vain. Lecidea bacillifera v. sabincompta 



Nyl. in Fellm. Lich. Arct. (1865) n. 175 p. p., Nyl. Lich. Lapp. Or. 



US66) p. 155. L. atrosanguinea f. sabincompta Vain. Adj. Lich. Lapp. 

 II (1883) p. 17 p. p. 



Exs. Norrl. et Nyl. Herb. Lich. Fenn. IV (1875) n. 187. — Malme 

 Lich. Suec. Exs. XIII (1913) n. 316 (in mus. Fenn.). — Fellm. Lich. Arct. 

 (1865) n. 175 p. p. 



Thallus tenuis aut sat tenuis, verruculosus aut verrucosus, 

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

 disco atro. Hj^pothecium totum subviolaceum. Hymenium superius 

 aeruginosum. Perithecium violascens aut extus subtusve sub- 

 decoloratum. Sporae sat longae mediocresve, septis numerosis. 

 Corticola. 



Distr. Ad truncos arboruin in provinciis meridionalibus, 

 septententrionem versus rarescens. Tb.: Laurinniemi in par. Jyvas- 

 kyla (Vain.). Kb.: Koriseva (Vain.). OKaj.: Kiannanniemi et alibi 

 passim in par. Kianta (Vain.). Ob.: Porhola in par. Kemi (M. Bren- 

 ner), Alkkula in Ylitornio (J. P. Norrlin). KKer.: Ruankoski (Fellm., 

 Lich. Arct. n. 175 in mus. Fenn.), liava (Fellm.). Lin.: Kaamas 

 (F. Silcn). 



Hypothallus indistinctus. Gonidia pleurococcoidea, vulgo sim- 

 plicia. Apothecia sparsa aut sat crebra, lat. 0.9 — 0.4 mm, late adnata, 

 basi leviter constricta, baud pruinosa. Perithecium intus aut in mar- 

 gine totum sordide violaceum vel subpurpureum, aut extus et subtus 

 pallidum vel subdecoioratum, chondroideum, hyphis radiantibus, mem- 

 branis pachydermaticis, conglutinatis, cavitatibus angustis, vulgo ob- 

 longis. Hypothecium superne subviolaceum purpureumve aut rarius 

 rubricoso-fuscescens, subchondroideo-plectenparenchymaticum, cavitati- 

 bus cellularum depressis, membranis modice incrassatis, inferne vulgo 

 tantum anguste dilutius coloratum chondroideumque. Hymenium 

 0.055 — 0.050 mm crassum, jodo caerulescens, dein vinose rubens. 

 Hymenium superius aeruginosum aut aeruginoso-nigricans, interdum 

 epithecio nigricanti-granuloso. Sporae bacillares apicibusque obtusis 

 aut partim subaciculares alterumque apicem versus sensim attenuatae, 

 at sat obtusae, rectae aut sat rectae, septis vulgo 5 — 7, long. 0.038 O.024, 

 crass. 0.035 — O.025 mm. 



