214 E. A. Vainio, Lecideales. 



Var. orthospora Vain. 



Thallus tenuis aut sat tentiis, obscure cinereo-virescens. Apo- 

 thecia nigra. Hymenium superius aeruginosum et partim in eodem 

 apothecio olivaceum, strato gelatinoso summo olivaceo. Sporae rectae 

 et parce arcuatae in eodem apothecio. 



Distr. Ad saepimenta vetusta in Papula et Uuras prope Viburgum 

 (Vain.). — Non sit autonoma species, facie externa B. umbrinae v. psotinae 

 consimilis, et sporis parce arcuatis, quales parce etiam in aliis var. 

 observantur, in earn transit. Apothecia convexa, nigra, opaca aut levi- 

 ter nitida, nuda, crebra, margine inconspicuo, textura sicut in B. um- 

 brina. Sporae aciculares aut rarius subfusiformes, rectae aut parce 

 arcuatae, apicibus sat obtusis aut sat acutis aut altero apice obtuso, 

 long. 0.030 — 0.034, crass. O.0025-O.003 mm, 3 — 7-septatae. Hymenium O.oso 

 mm crassum. Paraphyses simplices, crass. O.ooos— O.oo: mm, apice baud 

 incrassatae. Epithecium KHO non reagens. Hypothecium pallidum, 

 plectenparenchymaticum, seriebus cellularum irregulariter verticalibus. 

 Gonidia pleurococcoidea, saepe divisa. 



Obs. 1. F. leptomerea {Lecidea leptomerea Sommerf. Suppl. Fl. 

 Lapp., 1826, p. 161) thallo tenui, ochraceo a var. psotina differt (secund. Th. 

 Fr. 1. c. p. 366). Ad rupem ferruginosam in Sikomaki in Padasjoki (Vain.). 



Obs. 2. Bacidia holomelaena c. corticicola Anzi, Cat. Lich. Sondr. 

 (1860) p. 71, Lich. Langob. (1861) n. 260, (1868) n. 515, ad B. incomptom 

 Borr. pertinet. B. holomelaena var. corticola Zwackh, Lich. Exs. (1861) 

 n. 417, Enum. Lich. Heidelb. (Fl. 1862) p. 125, est B. umbrina var. 

 turgida (Koerb.) Vain, corticola, thallo tenui, cinereo-virescente aut 

 cinereo-olivaceo et apotheciis fuscescentibus instructa. Ad hanc f. 

 corticolam (Zwackh) specimina sub v. turgida supra indicata, ad corti- 

 cem Alni in Sutosenniemi et ad corticem Salicis capreae in Haukka- 

 vuori in Korpilahti collecta, pertinent. — Huic analoga f. alnicola 

 Vain., thallo tenui, cinereo-olivaceo, apotheciis nigris instructa, ad v. ' 

 psotinam supra relata, ad Alnos sat frequenter in Tavastia et prope 

 Helsingforsiam occurrit. — „Scoliciosporum corticolum" in Arn. Lich. 

 Exs. (1898) n. 328 b (Zwackh Lich. Exs., 1898, n. 1187), ad corticem 

 Sarothamni in Oldenburg a Sandstede lectum, thallo soraliis insperso 

 et apotheciis rufescentibus a B. umbrina var. turgida differens, notis 

 internis apotheciorum sporisque ei consimile, ad Bacidiam sarothamni 

 Vain, pertinet. — Scoliciosporum compactum a. asserculorum Koerb., 

 Syst. Lich. Germ. (1855) p. 269, Parerg. Lich. (1861) p. 240, ad speci- 

 mina lignicolas praesertim var. compactae spectant. L. pelidna v. 

 compacta f. asserculorum Vain., Lich. Vib. (1878) p. 65, ad ligna et 

 cortices Alni et Pini collecta, f. saepimentorum a Nyl. in herb, suo 

 (n. 17540) melius nominatur, L. asserculorum Ach. hue non pertinens 

 (conf. Th. Fr. Lich. Scand. p. 474). L. pelidna v. compacta f. saxi- 

 cola Vain., 1. c. (Scoliciosporum compactum ,1. saxicolum Koerb., 1. c), 



