Acta Societatis pro Fauna et Flora Fennica, 49, N.o 2. 231 



Lichenes imperfecti. 



Lichenes apotheciis incognitis, affinitate incerti, et aliae 

 plantae lichenoideae, cum algis in symbiosi vigentes, forsan 

 ad Hyphornycetes (et Basidiomycetes) pertinentes. 



1. Coriscium Vain. 



Etud. Lich. Bres. II (1890) p. 188, 240; Zahlbr. Ascolich. (1903) 

 p. 76, 77; A. Smith Mon. Brit. Lich. II (1911) p. 264. Normandina Nyl. 

 Ess. Nouv. Classif. Lich. Sec. Mem. (1855) p. 191 p. p., Lich. Scand. 

 (1861) p. 264 p. p. 



Thallus minute foliaceus, ambitu rotundatus aut rotun- 

 dato-lobatus, margine adscendente, hypothallo byssino, albido, 

 parce evoluto, ex hyphis haud cohaerentibus formato, arete 

 substrato adhaerens, rhizinis veris destitutus, superne strato 

 corticali parenchymatico, leptodermatico obductus, zona go- 

 nidiali partem maximam mediam thalli occupante, gonidia 

 simplicia, in glomerulos crebre conferta, continente, strato 

 medullari, ex hyphis longitudinalibus formato, inferne ob- 

 ductus. Apothecia incognita. Gonidia flavovirescentia, 

 dactylococcoidea aut coccomyxoidea. 



1. C. viride (Ach.) Vain. 



Etud. Lich. Bres. II (1890) p. 188, 189, 240; Lich. Exp. Vegae 

 Pitlekai (1909) p. 157; A. Smith Mon. Brit. Lich. II (1911) p. 264, t. 35 

 Endocarpon viride Ach. Lich. Univ. (1810) p. 300, Syn. Lich. (1814) p 

 100. Normandina viridis Nyl. Ess. Nouv. Classif. Lich. Sec. Mem. (1855 

 p. 191, Prodr. Lich. Gall. (1857) p. 420 (174), Exp. Pyrenoc. (1858) p 



11, Enum. Lich. Fret. Behr. (1888) p. 26; Th. Fr. Lich. Arct. (1860) p 

 256; Vain. Adj. Lich. Lapp. II (1883) p. 164; Deichm. Branth et Groenl 

 Groenl. Lich. (1888) p. 509; Deichm. Branth Till Groenl. Lich. (1892) p 

 755. Lenormandia viridis Koerb. Parerg. Lich. 1 Lief. (1859) p. 44 

 Endocarpon laetevirens Turn, in Ach. Lich. Univ. (1810) p. 300; Hook 

 in Sm. Eng. Fl. V (1833) p. 158; Leight. Brit. Angioc. Lich. (1851) p 



12. Verrucaria laetevirens Borr. in Engl. Bot. Suppl. (1830) t. 2658 

 Normandina laetevirens Nyl. Lich. Scand. (1866) p. 264; Tuck. Gen. Lich 

 (1872) p. 252; Arn. Lich. Tirol XXI (1880) p. 145, XXX (189 7) p. 34 



