Acta Societatis pro Fauna et Flora Fennica, 49, N:o 2. 37 



Ad saxa gneissacea in Mustiala in Tavastia austr. (A. Kull- 

 hem). 



F. sordidescens Vain. Thallus sordide cinerascens, 

 rimulosus, opacus, hypothallo indistincto. Apothecia ver- 

 rucas formantia O.s— 0.4 mm latas, vertice late nigricantes 

 denudatasque, basin versus amphithecio thallino tenui anguste 

 obductas. Sporae sec. Nyl. „long. O.030 — O.037, crass. O.015— -O.017 

 mm". In lapide granitico ad Knjasa in Karelia Keretina (N. I. 

 Fellman). 



2. V. saepincola Vain. (n. sp.). 



Thallus tenuis, verruculoso-inaequalis aut verruculosus, 

 continuus aut dispersus (aut partim evanescens), cinerascens 

 aut sordide albidus aut albido-glaucescens, opacus, hypothallo 

 indistincto. Apothecia sat crebra, semiimmersa, verrucas for- 

 mantia O.10—O.15 mm latas, hemisphaericas, nigricantes aut 

 fusco-nigras, nudas. Perithecium subglobosum, rubricoso-fuli- 

 gineum, integrum, latere haud producto, margine ostiolari 

 haud prominente, ostiolo parvo, haud foveolato. Sporae 

 ellipsoideae aut raro oblongae, long. O.ou- O.019, crass. O.007 — 

 O.011 mm. 



Distr. Ad lignum in campo in Jaakkima in Karelia 

 Ladogensi (Vain.). 



Apotheciis minoribus a V. aethiobola distinguitur (Verr. 

 litorea Hepp, Flecht. Eur. n. 434, thallo laevigata ab ea differt). 

 — Perithecium KHO nigricans aut subviolaceo-nigricans. Nucleus 

 jodo fulvescens aut fulvo-rubescens. Paraphyses in gelatinam 

 diffluxae. Periphyses breves. Asci clavato-ventricosi, long. O.055 — 

 O.070, crass. O.020 mm, membrana tenui. Sporae 8:nae, distichae, 

 decolores, simplices, apicibus rotundatis, membrana tenui. Gonidia 

 pleurococcoidea, globosa, simplicia diam. O.010 — O.005 mm, saepe 

 etiam 2-cellulosa aut glomerulosa. 



3. V. subviridula Nyl. 



Fl. 1875 p. 302; Norrl. Symb. Fl. Ladog.-Kar. (1878) p. 32; Hue 

 Addend. II (1888) p. 279. 



Thallus sat crassus aut modice incrassatus, areolatus, 

 areolae circ. 1.5— 0.5 mm latae, contiguae aut partim disper- 

 sae, crebre verrucoso-inaequales vel e verrucis areolisve 



