Ä 
107 
nata (vel thallo supra ea parum prominulo) sterigmatibus pluri- 
articulatis vel arthrosterigmatibus munita; spermatia oblongo- 
cylindrica aut eequaliter cylindrica (raro obsolete utroque apice 
incerassatula). 
V.— PHYSCIA Nyl. 
Genus unicum hujus subtribus notisque allatis dignotum, sec- 
tiones duas distinetas continens. 
Å. — Species flavescentes, thallo flavo. Spore incolores solide utrogue apice 
beulum offerentes (que locula bina tubulo tenui in axi spore disposito ple- 
rumque junguntur), raro simplices. — Species 1—2. 
1. P1. parietina (L.) DN., Nyl. Syn. p. 410. 
Thallus flavus lobato-incisus, lobis planiusculis subimbricatis 
sat adpressus, subtus pallidior vel pallido-albidus; apothecia 
aut concoloria, aut cerino-aurantiaca, mediocria (circa latit. 
1,5—3 millim.). 
Ad cortices, ligna et saxa vulgaris, at precipue in cultis, in 
certis autem regionibus rarescens; in Lapponia deest, nisi in 
maritimis (ad rupes). 
cem arborum (pini presertim, betulse) frequens (adhuc ad Sinum Sal- 
fensem rarius, ex Smmrf. Lapp. p- 109); raro ad lapides. — Var. Sp lor 
bulata (FIk.) Nyl. 1. e. p. 412 sistit statum athallinum vel lobulis 
Darcis brevissimis, polycarpum ; ad ligna et cortices raro. 
> Ph. lyehnea (Ach.) Nyl. Syn. P- 411 (sub parietina). 
I Vix nisi varietas Physcie parietine microphyllina, thallo 19 
hatulo effuso, lobulis säpe lacero-dissectis et sepe margine 
