238 Acta Societatis pro Fauna et Flora fennica, VII. 



4 C. pycnocarpiim Nyl., Syn. Lich. (1858 — 60) p. 115 (rnus. 

 Paris/), Lich. Nov.-Gran. (1863) p. 428, ed. 2 (1863) p. 287; Tuck., 

 Syn. North Am. (1882) p. 143. 



TJiallus minutus, irregulariter crebre lacinulatus, lacinulis 

 1—0,2 millim. latis, crassiusculis, creberrime confertis, margine 

 verrueoso-crenulatis vel gibboso-ramulosis, ramulis erenulisque 

 saepe subteretibus, isidiis destitutes. Apothecia demum crebre 

 conferta, peltata basique constricta, 2—0,7 millim. lata, disco rufo, 

 nudo, margine subintegro. Excipulum thallodes, strato corticali 

 destitutum, perithecio proprio nullo distincto. Sporae oblongae 

 ellipsoideaeve aut fusiformes, 1-septatae, long. 0,0 6 — 0,0 9 mil- 

 lim. [„—0,oi7 millim.": Nyl., Syn. Lich.], crass. 0,003 [,, — 0,007 

 millim.": Tuck., 1. c.]. 



Ad corticem arborum prope Sitio (1000 metr. s. m.) in civ. 

 Minarum, n. 734. — Thallus rhizinis et strato corticali destitutes. 

 Gonidia nostocacea. Apothecia disco vulgo demum convexo aut 

 eonvexiusculo. 'Excipulum thallinum gonidiaque continens. Hy- 

 pothecium pallidum, ex hyphis irregulariter contextis partim con- 

 glutinatis formatum. Hymenium circ. 0,0 7 millim. crassum, jodo 

 persistenter caerulescens. Epithechim rufescens. Paraphyses arete 

 cohaerentes. Asci subclavati, apice membrana saepe modice in- 

 crassata. Sporae 8:nae, distichae, apicibus obtusis. 



6. Pterygsopsis Wainio (nov. gen.). 



TJiallus crustaceus aut fere squamosus, ambitu lacinulato- 

 effigurates, colore obscurus, rhizinis hypothalloque distincto de- 

 stitutes, strato corticali superiore destitutes, parte superiore im- 

 primis e cellulis gonidiorum (hyphis parce immixtis) constante, 

 inferne strato corticali obductus ex hyphis formato sat leptoder- 

 maticis fere parenchymatice septatis conglutinatisque. Gonidia 

 sirosiphoidea (ad Stigonema Bornet pertinentia), cellulis in se- 

 ries plures dispositis, vagina aurea aut fuscescenti-aurea, sat tenui. 

 Apothecia thallo innata, subimmersa permanentia, disco parvulo. 

 Perithelium proprium nullum distinctum. Paraphyses sat lax* 4 

 • ohaerentcs, haud ramoso-connexae. Sporae 8:nae, ellipsoideae 

 aut subglobosae, simplices, decolores. 



