Acta Societatis pro Fauna et Flora Fennica, 49, N:o 2. 179 



Distr. In rupibus littoralibus collecta. Alandia (Edvin 

 Nylander), Geta (K. Linkola). Hoglandia (Edvin Nylan- 

 der). Tavastia austr.: In flumine Tammijoki in Luhanka 



(Vain.). 



Perithecium ostiolo circ. O.020 mm lato. Gelatina hymenialis 

 jodo non reagens. Asci subcylindrici, long. O.070— O.oso, crass. 

 O.012 mm, membrana tenui. Paraphyses numerosae, simplices, 

 crass. O.ooos mm. Sporae 8:nae, distichae (fortuito unam sporam 

 vidi 6-septatam, long. O.031 mm, aliam 4-septatam). Gonidia ad 

 Trentepohliam umbrinam pertinentia, cellulis O.010 — O.012 mm 

 crassis, membrana modice incrassata. Conidangia „apotheciis 

 concoloria". Conidia „long. O.002, crass. O.0015 mm" (Arn.). 



6. P. glaucocinerea (Nyl.) Vain. 



Verrucaria lectissima *V. glaucocinerea Nyl. Lich. Scand. (1861) 

 p. 278. Verrucaria glaucocinerea Norrl. Bidr. Sydostr. Tav. Fl. (1870) 

 p. 195 p. p. Verrucaria lectissima var. terrestris Nyl. Herb. Mus. 

 Fenn. (Notis. Sallsk. pro F. et Fl. Fenn. 4, 1859, p. 235) p. 93 (nomen 

 nudum). 



Thallus tenuis, verruculoso-inaequalis, subdispersus, 

 albido-cinerascens vel cinereo-glaucescens, opacus, hypo- 

 thallo indistincto. Apothecia sat crebra, immersa, demum 

 leviter emergentia et verrucas depresso-hemisphaericas, 

 circ. O.250 mm latas, fuscescentes aut raro rufescentes vel 

 pallescentes, opacas, aut basi amphithecio thallino, thallo 

 concolore anguste obductas, vertice denudatas formantia, 

 margine ostiolari haud prominente, ostiolo circ. O.oeo mm 

 lato, haud foveolato. Perithecium subglobosum, superne 

 rufescens et inferne pallidum aut raro totum pallidum. 

 Sporae oblongo-fusiformes, apicibus obtusis, „long. O.ois — 

 O.023, crass. O.007— O.oos mm" (Nyl.), 3-septatae, loculis aeque 

 longis, membrana sat tenui, haud gelatinosa. Gonidia a 

 Trentepohlia umbrina praedita. 



Distr. Ad terram arenosam in rupe pone Observato- 

 rium Astronomicum Helsingforsiae (W. Nyl.). Ad terram 

 argillaceo-arenosam in Kasniemi in Padasjoki Tavastiae 

 austr. (J. P. Norrlin). Etiam ad Minister in Germania a 

 Nitschke collectum (n. 1779 in herb. Nyl., „sporis O.019 — 

 O.026 mm longis, O.oos mm crassis"). 



