- 74 — 

 carbonaceo marginata; margine jam primitus atro, 

 interdum a thallo coronato. Discus semper aper- 

 tm, hìjpothecio simplici atro-carhonaceo vel gru- 

 moso fiisco impositiis. Asci clavaeformes, octospo- 

 ri, paraphijsibas immixti. Sporae ovoideo-eUipsoi- 

 deae, unilocidares, pellucidae, episporio decolori, 

 nucleo simplici. — Thallus crustaceus , adnatus, 

 effiguratus , centro areolatus . amhitu radioso - 

 plicatus. 



ì. Placolecis haldnina Trevis. (Parmelia bala- 

 nìna Fries: Lecidea adglutinala Diifour, Nyland.); 

 varietas: Lecidea opaca Dufour, Fries; Psora opaca 

 Massai. — 2. Placolecis plumbea Trevis. (Lecidea 

 plumbea Garov., Massai.) 

 5- ì§»porai»tatia Massai. 



6. Psora De Cand. 1 805. (Tlialloidima Massai. 

 1853.) 



7. Dlplotomma Flotow 1849,Trev. J 851, non 

 MassaL (Diploicia Massai. 1853. — Corniolhecium 

 Mass. 1854. — Catolechia Kórb. 1855., non Mass.) 



8. Tonlnla Massai. (Arlhroranima Massai.) 



** EuLEciBEiNAE Ticv. (Thallus crustaceus uniformis.) 

 Subtribus IIL Biatoreae Trevis, 



(Apothecia patellaeforrnia, innalo-sessilia, primitus 

 excipulo proprio marginata. Margo excipuli eeracei co- 

 lorati nunquam primitus atro-carbonaceus. — Thallus 

 crustaceus unilbrmis.) 



9. Biatora Fries ( Sporae 8 unilocnlares, nucleo 

 simplici.) 



