328 E. A. Vainio, Lecideales. 



F. atroalba (Flot.) Malme in sched. Lich. Suec. Exs. VII (1910) 

 n. 171. Lecidea atroalba Nyl. Lich. Scand. (1861) p. 233 p.p. L badio- 

 atra f. atroalba Vain. Adj. Lich. Lapp. II (1883) p. 129. Rh. badioatrum 

 [j. vulgaris Th. Fr. Lich. Scand. II p. 614 p. p. 



Thallus verrucosus aut rarius areolatus, verrucis areolisve 

 convexis aut rarius planis, subcinerascentibus, rotundatis aut rarius 

 angulosis, laevigatis, baud pruinosis. Apothecia verrucis thalli im- 

 mixta. 



Distr. Sat frequenter proveniens. 



In var. vulgarem saepe transit. Thallus sat crassus aut tenuis, 

 areolis verrucisque circ. O.s — 0.3 mm latis, contiguis aut dispersis. 

 Apothecia lat. circ. O.s— O.s mm, thallum baud superantia aut demum 

 leviter prominentia, disco piano aut rarius demum convexo, margine 

 prominente aut demum excluso. Epithecium rubricosum. Sporae demum 

 fuscescentes. 



F. glaucescens (Naeg.) Vain. Lecidea confervoides y. glaucescens 

 Naeg. (man.) in Hepp Flecht. Eur. I (1853) tab. VI n. 34 (in herb, meo), 

 baud *Rh. glaucescens Th. Fr. 1. c. p. 621. 



Thallus verrucosus aut subareolatus, verrucis areolisve convexis 

 vel depresso-convexis aut raro planiusculis, vulgo rotundatis, cine- 

 rascentibus aut sublivido-cinerascentibus, tenuissime subpruinosis, 

 laevigatis, supra hypothallum nigrum dispersis, Apothecia verrucis 

 thalli immixta. 



Dislr. Supra lapides et rupes graniticas ad Piilila in Korpilahti 

 et Kanavuori in paroecia Jyvaskyla in Tb. (Vain.). 



Thallus modice incrassatus, verrucis areolisque O.s — O.2 mm latis. 

 Apothecia lat. circ. O.s— O.5 ( — 1) mm, thallum haud superantia aut in- 

 terdum leviter prominentia, disco piano, margine vulgo prominente. 

 Epithecium, hypothecium et perithecium rubricoso-fuligineum, KHO 

 distinctius purpureum vel purpureo-fuligineum. Hymenium circ. O.120 

 mm crassum. Sporae demum fuscescentes. Proxima f. subiculosae 

 Floerk. in herb. {Catocarpus atroalbus f. subiculosus Arn. Lich. Tirol 

 XXIV, 1889, p. 253), „glebis thalli fuscidulo-cinerascentibus, dispersis" 

 descriptae. Schedulae speciminis ad Piilila lecti Nyl. a. 1874 adscripsit 

 „L. atroalba vergens in roridam, quae vix quidem est vera varietas, 

 sed sola forma ejusdem". Conidia „bacillaria, long. O.oio — O.012, crass. 

 0.0007 mm" (conf. Nyl. Lich. Paris, 1896, p. 99), filiformia, recta, apicibus 

 affixa sterigmatum brevium simplicium aut bicellulosorum (sec. annot. 

 et icon, in sched. fragmenti ejusdem speciminis in herb. Nyl.). 



F. agglomerata Vain. Lecidea badioatra f. agglomerata Vain. Adj. 

 Lich. Lapp. II (1883) p. 128. 



