Acta Societatis Pro Fauna et Flora Fennica, 49, N:o 2. 97 



F. simplicior Vain. (Norrl. & Nyl. Herb. Lich. Fenn. Ill, 

 1875, n. 148 c). Thallus primum e verrucis discretis, convexis, 

 0.4 — 0.2 mm latis, demum p. p. confluentibus et areolas verru- 

 coso-inaequales formantibus, constans. Loco magis irrigato in 

 Sortavala lecta (Norrl.). 



2. Polyblastia (Mass.) Lonnr. 



Fl. 1858 p. 630; Mass. Ric. Lich. Crost. (1852) p. 147 p.p., Mem. 

 Lich. (1853) p. 139 p.p.; Th. Fr. Lich. Arct. (1860) p. 265, Gen. Hete- 

 rolich. (1861) p. 108, Vet. Ak. Forh. (1864) p. 275, Polybl. Scand. (1877) 

 p. 8; Mull. Arg. Princ. Class. (1862) p. 78 (nee Lich. Beitr. in Fl. 1882 

 n. 490, nee Pyr. Cub. 1885 p. 376 et 407); Koerb. Par. Lich. 4 Lief. 

 (1863) p. 336 (p. p.); Zahlbr. Ascolich. (1903) p. 53, 56. Porphyrio- 

 spora Mass. Ric. Lich. Crost. (1852) p. 154. Sporodictyon Mass. Fl. 

 1852 p. 321, Rec. Lich. Crost. (1852) p. 181; Th. Fr. Lich. Arct. (1860) 

 p. 264. 



Thallus crustaceus, uniformis. Apothecia simplicia, 

 gonidiis hymenialibus nullis. Perithecium rectum, ostiolo 

 mediano. Gelatina hymenialis jodo reagens. Paraphyses in 

 gelatinam dissolutae. Sporae 8:nae aut singulae binaeve, 

 decolores aut demum pallidae obscurataeve, ellipsoideae 

 aut oblongae aut raro subglobosae, murales vel submu- 

 rales. Gonidia pleurococcoidea. 



Stirps 1. Sporodictyon (Mass.) Vain. 

 Sporae demum obscuratae. 



1. P. Henscheliana (Koerb.) Lonnr. 



Fl. 1858 p. 631; Th. Fr. Polybl. Scand. (1877) p. 11; Arn. Lich. 

 Tirol XXV (1893) p. 387, 388; A. Sm. Mon. Brit. Lich. II (1911) p. 305; 

 Zschacke Hedwigia 1914 p. 315. Sphaeromphale Henscheliana Koerb. 

 Syst. Lich. Germ. (1855) p. 336. Sporodictyon Henschelianum Koerb. 

 Par. Lich. 4 Lief. (1863) p. 332. Verrucaria subumbrina Nyl. Nov. Lich. 

 Norv. (Ofv. K. Sv. Vet. Ak. Forh. 1860) p. 296, Lich. Scand. (1861) p. 

 269, Enum. Lich. Fret. Behr. (1888) p. 89; Norrl. Bidr. Sydostr. Tav. 

 Fl. (1870) p. 194. Polyblastia robusta Arn. Lich. Tirol XIII (1874) p. 251, 

 XXV (1893) p. 388. Polyblastia Henscheliana f. robusta Arn. Lich. Exs. 

 (1894) p. 42, Lich. Tirol XXX (1897) p. 37. 



Exs. Larbal. Lich. Herb. V (1879) n. 198. — Arn. Lich. Exs. (1890) 

 n. 1508. 



7 



