210 E. A. Vainio, Lecideales. 



partim dilute olivaceum, KHO non reagens. Sporae ba- 

 cillares, breves, 3-septatae, subrectae. 



Distr. In rupe prope Raianlahti in Korpilahti in Ta. 

 (Vain.) una cum Stigonemate minuto (saxicola) et Biatorella 

 torvula (Nyl). 



Facie externa Bilimbiam trisepta (Naeg.) in memoriam revo- 

 cat, sed sporis tenuioribus ab ea differt. Bacidiae umbrinae var. 

 orthosporae proxima sit et forsan variatio ei analoga B. umbri- 

 nae. Thallus opacus, hypotliallo indistincto. Apothecia simplicia 

 lat, 0.2 mm, vulgo tuberculoso-confluentia proliferave, tubercula 

 0.7 — 1 mm lata formantia, nuda, opaca, bene aut depresse con- 

 vexa, margine excluso. Hymenium circ. 0.040 — O.oso mm crassum, 

 jodo caerulescens, dein fulvescens, ascis subviolascentibus. Hypo- 

 thecium ex hyphis erectis, conglutinatis formatum, subplecten- 

 parenchymaticum, cavitatibus cellularum rotundatis ellipsoideisve, 

 parcius etiam oblongis, lat. O.oois — O.002 mm, membranis modice 

 incrassatis, KHO non reagens. Perithecium tenue, partim olivaceo- 

 fuscescens (KHO rufescens), partim olivaceo-pallidum, plecten- 

 parenchymaticum, cavitatibus subellipsoideis, O.ooi — O.oois mm 

 latis, membranis sat tenuibus, ex hyphis radiantibus, conglutinatis 

 formatum. Paraphyses arete cohaerentes, crass. O.0015 mm, crebre 

 septatae, ramoso-connexae, gelatina hymeniali haud abundante. 

 Asci clavati, in apice membrana haud incrassata. Sporae „long. 

 0.015 — 0.025, crass. O.002 — O.0025 mm, apicibus obtusis" (secund. 

 annot. Nyl. in herb. suo). Gonidia pleurococcoidea, simplicia 

 diam. O.oos — O.004 mm, etiam 2-cellulosa et glomerulosa, mem- 

 brana sat tenui. 



29. B. umbrina (Ach.) Th. Fr. 



Lich. Scand. II (1874) p. 365. Lecidea Ach. Lich. Univ. (1810) p. 

 183, Syn. Lich. (1814) p. 35; Nyl. Lich. Scand. (1861) p. 209 (excl. var.); 

 Norrl. Bidr. .Sydostr. Tav. Fl. (1870) p. 189; Vain. Adj. Lich. Lapp. II 

 (1883) p. 23. Secoliga umbrina Stizenb. Krit. Bern. Lee. Nadelf. Sp. 

 (1863) p. 25. Lecidea pelidna Ach. Lich. Univ. (1810) p. 158 p.p.; Nyl. 

 Obs. Lich. Pyr. (Fl. 1872) p. 11, Lich. Paris (1896) p. 86. L. holome- 

 laena Floerk. in Sprang. Syst. Veg. IV (1828) p. 206; Schaer. Enum. 

 Lich. Eur. (1850) p. 134 p. p. Scoliciosporum holomelaenum Mass. Ric. Lich. 

 Crost. (1852) p. 104; Koerb. Parerg. Lich. (1861) p. 240. Lecidea luteola 

 **L. holomelaena Nyl. Prodr. Lich. Gall. (1857) p. 361. Biatora strepto- 

 spora (Naeg.) Hepp Flecht. Eur. (1860) n. 523. Bacidia asserculorum 

 Th. Fr. Lich. Arct. (1860) p. 181 (Lich. Scand. II p. 474, 475). 



