105 
1. — Species potissime saxicolæ vel terrestres. 
Sectio A. — Paraphyses vulgo nuliæ, gelatina hymeiiea normali- 
ter iodo vinose rubens. 
■V. 
a. ) Thallus squamulosus. Sporæ incolores simplices in thecis 
myriosporis. 
1. — Stirps V. versipellis Nyl. 
1672. V. versipellis Nyl. 1877, p. 230. — Thallus luridus 
squamulosus; apothecia pyrenio incolore innato; sporæ 
oblongæ, longit. 0,003-4, crass. 0,0010-15 millim., in 
thecis myriosporis fusiformibus medio demum crass. 
0,04 millim. Gel. hym. I dilute cœrulescens, dein vinose 
fulvescens. Paraphyses graciles confertæ. 
Species distinctissima propriæ stirpis vel quidem facile 
proprii generis. Apothecia demum prominentia mamillari 
epithallo fuliginoso tecta* centro sæpius depressulo, loco 
ostioli apotheciorum; tune demum nigredo epithallina 
totam squamulam thalli (intus albam) obducit. 
Supra tegulas lateritias in Gallia occidentali. 
b. ) Thallus areolatus vel areolato-diffractus aut pulvereus, aut 
evanescens. 
1®. — Species quibus adsunt gonidimia hymenialia. 
* Sporæ l-2 n ® in thecis, fuscescentes vel incolores, murali-divisæ. 
2. —» Stirps V. umbrinee Whlnb. 
1673. V. inconversa Nyl. 1875, p. 362. — Subsimilis V. um - 
brinee Whlnb. Nyl. Pyrenoc. p. 21, differens sporis inco- 
loribus. Sporæ 2 næ longit. 0,30-40, crass. 0,011-16 millim. 
Pyrenium nigricans; thallus fuliginosus, passim areolato- 
rimulosus. 
Ad Helsingfurs, pyrenium fuscescens et longit. spora- 
rum usque ad 0,055, crass. 0,018 millim. 
Saxicola in Finlandia. 
