186 E. A. Vainio, Lecideales. 



Gen. Lich., 1857, p. 122). Secoliga inandata Stizenb. Krit. Lecid. Nadelf. 

 Sp. (1863) p. 33 (p. p.). L. arceutina *L. inundata Nyl. in Norrl. Bidr. 

 Sydostr. Tav. Fl. (1870) p. 189. L. lateola v. arceutina Nyl. Lich. Lapp. Or. 

 (1866) p. 154. Biatora Tulasnei Hepp Syst. Samml. XVII (1852) p. 229. 



Exs. Hepp Syst. Samml. (1852) n. 229, Flecht. Eur. II (1857) n. 

 289 p. p. — Koerb. Lich. Select. Germ. (1857) n. 163 (teste Stizenb. I. c). 

 — Fellm. Lich. Arct. (1864) n. 174. — Zwackh Lich. Exs. (1881) n. 653 

 A, B, C. — Lojka Lich. Regn. Hung. Exs. II (1882) n. 62, III n. 138. — 

 Arn. Lich. Monac. Exs. (1891) n. 182, (1896) n. 441. — Malme Lich. Suec. 

 Exs. VI (1909) n. 140, XXV (1916) n. 620, XXIX (1918) n. 705. — Norrl. 

 et Nyl. Herb. Lich. Fenn. cont. (1921) n. 716, 717. 



Thallus sat tenuis aut crassus, vulgo verruculoso- 

 inaequalis, vulgo cinereo-virescens aut sordide albido- 

 glaucescens. Apothecia minuta, sessilia, basi bene con- 

 stricta, adnata, disco vulgo persistenter piano, rarius demum 

 convexo, carneo- vel testaceo-pallido aut rufescente fusce- 

 scenteve aut nigricante, nudo, opaco, margine concolore 

 aut pallidiore, sat tenui aut rarius tenui, vulgo persistente. 

 Hymenium sat tenue, decoloratum aut praesertim superne 

 sordide coloratum vel dilute subfuscescens vel violaceo- 

 fuscescens, KHO non aut leviter reagens. Hypothecium 

 parte superiore sublutescens fulvescensve aut decoloratum 

 aut dilute fuscescens subpurpureumve, totum plectenparen- 

 chymaticum. Perithecium plectenparenchymaticum. Sporae 

 aciculares, sat longae, sat rectae, vulgo pauci-septatae, vulgo 

 gracillimae. 



Distr. Ad saxa et ligna et rarius ad corticem Alni, 

 Pruni padi et Salicis phylicifoliae in littoribus rivulorum 

 lacuorumque, raro etiam supra muscos et ad basim saxi in 

 prato, in provinciis meridionalibus mediisque passim suisque 

 regionibus sat frequenter obveniens. In Fennia boreali et 

 Lapponia Kuollaensi sat rara. 



Thallus continuus aut rimoso-diffractus, verruculis minutis 

 aut granuliformibus, sparsis aut contiguis, raro rufescenti- aut 

 olivaceo-glaucescens, hypothallo indistincto aut raro albido. Apo- 

 thecia sat crebra aut sparsa, lat. vulgo 0.4 — 0.3, rarius 0.6 — 0. 2 

 mm, crass, circ. O.200 — O.ieo mm, raro mox convexa, margine 

 prominente aut demisso, interdum obscuriore, quam discus. Hypo- 

 thecium plectenparenchymaticum, in parte superiore seriebus cellu- 



