— 349 — 
XVIII. - PTERYGIUM NyJ. 
Genus coufluens cum Pannaria . 
44. Pt. pannarielltim Nyl. 1869, p. 412. — Apothecia ut in 
Pannularia nigra, sporis 3-septatis, longit. 0,015-16, 
crass. 0,006-7 millim. Thecæ I intense cœrulescentes. In 
Lapponia. 
45. Pt. conferciens Nyl. 1875, p. 358. — Facie fere Sirosi- 
phoni-s pulvinati, sed mox laciniolis fibrilliformibus supra 
imbricalis longe divergens. In Ladoga. 
46. Pt. Lismorense Nyl. 1877, p. 221.— Apothecia nigra mar- 
ginata, intus obscura, sporæ 8® incolores oviformes 1-sept. 
longit. 0,010-11, crass. 0,005-6 millim. Gel. hym. I cœru- 
lescens, dein lutescenti-obscurata. Affine Pt. asperello , a 
quo distat thallo non coralloideo et sporis minoribus. 
47. Pt.posterulum Nyl. 1875, p. 7.— Calcicola in Transsylva- 
nia. Forsan potins hujus generis quam Leptogidium. 
Trib. VII. - COLLEMEI Nyl. 
XIX. — SYNALISSINA Nyl. 
V 
Genus sic dictum ob gonimia hormogonimica. 
48. S. intricata (Arn. sub Omphalaria) Nyl. sub Synahssa 
1883, p. 534. — In Tyrolia et Scotia. 
XX. - OMPHALARIA DR-Mnt. 
49. O.tiruncuïa Nyl. 1878, p.338.~ Sporæ 8* subgtobosæ, lon¬ 
git. 0,008-10, crass. 0,008 millim. Gel. hym. I cœrule- 
scens, dein vinose rubescens (cœrulescentia hypothecii pei- 
sistente) Supra lapides in Sahara. 
50. O. prodig’ula Nyl 1879, p. 353.— Sporæ 8 n ® simplices longit. 
0,011-15, crass. 0,007-9 millim. Gel. hym. I cœrulescens. 
Accedens versus priorem. Saxicola in Gallia meridionali. 
51. O.cribellifera Nyl. 1884,p. 387.—Sporæ 8 næ longit 0,007-9, 
crass. 0,003-4. Gel. hym. I vinose rubescens. Species di- 
stinctissima apotlieciis minutissimis aggregatis cribelloso^ 
