274 E. A. Vainio, Lecideales. 



Exs. Zwackh 1. c. — Arn. Lich. Exs. (1865) n. 276 a, (1875) b. — 

 Malme Lich. Suec. Exs. IV (1898) p. 97. 



Thallus crustaceus, sat tenuis aut tenuis, leviter ver- 

 ruculoso-inaequalis, cinereo-glaucescens, soraliis instructus, 

 linea hypothallina fusco-nigricante limitatus. Apothecia late 

 adnata, basi leviter constricta, lat. O.s — 2.2 mm, disco 

 nigro, nudo, piano aut demum depresso-convexo, margine 

 modice incrassato aut sat crasso, nigro aut fuscescente, 

 prominente aut rarius demum excluso. Epithecium fusce- 

 scens aut raro violaceo-nigricans „aut obscure olivaceum" 

 (sec. Arn.). Hypothecium fuscescens. Paraphyses baud 

 ramoso-connexae. Sporae 8:nae, fusco-nigricantes, ellipsoi- 

 deae, long. O.019 — O.024 mm („ — O.028 mm" sec. Arn. et Th. 

 Fr.), crass. O.oio— O.013 mm („ — O.ois mm" sec. Arn.), cellulis 

 paucis. 



Distr. Ad corticem Alni, Juniperi, Betulae et raro 

 Sorbi (Abietis, Pini pumilionis, Quercus et ad lignum nudum 

 in terris externis) in turfosis, abiegnis turfosis, lucis 

 et silvis mixtis collectum. Ab.: Hirvensalo (F. Elfving.). 

 N.: Alppila Helsingforsiae (Vain.), Gersterby in Kyrkslatt 

 (G. Lang). Ka.: Nonnullis locis ad Vanhaviipuri et Huus- 

 niemi (Vain. Lich. Viburg. p. 68), Ta.: Kesain in Luhanka, 

 Soima in Korpilahti (Vain. Fl. Tav. Or. p. 117). Tb.: Ad Touru- 

 joki in Jyvaskyla (Vain. 1. c). Kar. Vien. occ: Koroppi 

 (Vain. Adj. Lich. Lapp. II p. 123). OKaj.: Lentiira (Vain.). 



Potius sit affine Sporopodio, quam Buelliae (Diplotommae) 

 alboatrae, endosporio baud distincte incrassato, hymenio crasso, 

 paraphysibus laxiorioribus et conidiis fusiformibus a posteriore diffe- 

 rens. Conidiis forsan recedit etiam a Sporopodio, in quo conidia ellip- 

 spidea in duabus speciebus cognita sunt. — Thallus soraliis vulgo 

 subrotundatis, cinerascentibus aut glaucescentibus aut albidis, 

 crebris, raro partim confluentibus, farinosis, vulgo planis, baud 

 aut parum prominentibus instructus", nee KHO nee CaCl202 re- 

 agens" sec. Arn. Apothecia sat parce evoluta, vulgo dispersa, 

 KHO non reagentia, disco opaco, margine opaco aut leviter nitido, 

 integro. Perithecium fusco-fuligineum, ex hyphis subradiantibus, 

 sat leptodermaticis, conglutinatis formatum, cavitatibus oblongis, 

 angustis. Hypothecium fuscescens, ex hyphis formatum irregu- 

 lariter contextis, vix pachydermaticis, conglutinatis, cavitatibus 



