150 E. A. Vainio, Lecideales. 



Hymenium jodo saltern primum caerulescens. 



Sect. 1. Hypothecium obscure intenseve coloratiim. 



Ser. A. Hymenium crassum (crass, aire. O.120— O.oeo 

 mm). 



1. B. fuscorubella (Hoffm.) Arn. 



Fl. 1871 p. 55. Verrucaria Hoffm. Deutschl. Fl. II (1795) p. 175 

 Seculiga Stizenb. Krit. Bern. Lecid. Nadelf. Sp. (1863) p. 53 p. p 

 Lecidea Nyl. Fl. 1878 p. 453. Lecidea luteola d. L. fuscorubella Ach 

 Meth. Lich. (1803) p. 61, Lich. Univ. (1810) p. 196, Syn. Lich. (1814) p 

 41 (excl. L. hypopta); Nyl. Lich. Scand. (1861) p. 209. L. luteola fl L 

 acerina (Pers.) Ach. Meth. Lich. (1803) p. 60, Lich. Univ. (1810) p. 197 

 Biatora polychroa Th. Fr. Vet. Ak. Forh. 1855 p. 17. Bacidia Koerb 

 Par. Lich. 2 Lief. (1860) p. 131; Th. Fr. Fl. 1861 p. 413. Bacidia 

 effusa /9. macrospora (Hepp) Arn. Fl. 1858 p. 505; Rabenh. Lich. Eur. 

 Exs. XVII (1859) n. 481. Bacidia anomala Koerb. 1. c. (1860) p. 132 p. p., 

 Lich. Select. Germ. (1861) p. 219. Biatora effusa fl. macrocarpa Hepp 

 Flecht. Eur. Ill (1860) n. 520. Biatora rubella v. anceps Hepp Syn.- 

 regist. Flecht. Eur. p. 3. 



Thallus tenuis aut modice incrassatus, verrucoso- aut 

 partim verruculoso-inaequalis, verrucis depressis, contiguis 

 aut dispersis, cinereo-glaucescens aut cinerascens aut albi- 

 dus. Apothecia majuscula aut mediocria, subfusca aut p. p. 

 sanguineo-rubescentia aut rufescentia vel testaceo-rufescen- 

 tia aut fusco-nigricantia, primum plana, demum vulgo con- 

 vexa, margine mediocri aut sat tenui, persistente aut de- 

 mum excluso, vulgo nuda. Hypothecium superne rufescenti- 

 aut pallido-rubricosum, KHO purpureum. Hymenium cras- 

 sum. Epithecium dilute rufescens aut pallidum. Sporae 

 vulgo aciculares, longae, sat crassae, pluri-septatae. 



Var. acerina (Pers.) Vain. L. luteola J. L. acerina (Pers.) Ach. 

 I. c. Secoliga fuscorubella v. phaea Stizenb. 1. c. (1863) p. 57. Bacidia 

 Th. Fr. Lich. Scand. (1874) p. 346. 



Exs. Lojka Lich. Univ. IV (1886) n. 178. — Malme Lich. Suec. Exs. 

 IV (1908) n. 87. 



Thallus tenuis aut sat tenuis, albidus aut sordide albicans. 

 Apothecia mediocria aut raro majuscula, umbrino-rufescentia aut 

 cinnamomea. 



Distr. Al.: Ramsholm (E. Nylander). Ad corticem fraxini rara. 



