_ 6 — 



a. Limborieae nob. plerumque corticicolae, gymnosporae?, 

 thallo adnato, depauperato <* , apothec. globosis, discretis^ 

 acroschizis v. elongatis, flexuosis, longe - rimosis , quibusd. 

 strato medullari protuberante inclusis v. patellaribus : — 

 Conian^ium , Ustalia , hecanaictis , Opegrapha , Graphis. — 

 Sarcographa, Chiodecton, Glyphis; — Urceolaria, Thelotrema^ 

 Limhoria. . . 



b. Umhilicaricae : saepius saxicolae , gymnosporae ? , 

 ihaUo carlilag. — membranaceo ', centro v. fibrillis plurib. 

 affixo, apotheciis orbicularib. superficiariis , apertis , lamina 

 sporigera gyrosa v. aequabili : UmhUicaria (Gyrophora) , 

 Pyxine. 



c. Verrucarieae noh. heterobiae ; ascosporae ?, thallo 



crustac. adnato -\ conspicuo; verrucis fructiferis papillato- 



ostiolatis, discretis v. confluentibus, quibusd. rostratis et poro^ 

 communi hiantibus: — Diojygma ? Pyrenothca , Verrucaria , 

 Pyrenastrum ; — Sphceromphale, Trypethelium ^ M.ycoporum^ 

 Astrothelium, ... 



d. Endocarpeae'. saxi - terri - corticicolae , ascosporre ? ^ 

 thallo crust. adnato V. libero membranaceo; verrucis fructiferis 



immersis v. prominulis, excipulo thallode clauso, ostiolo -i 



producto: — Pertusaria, Thecaria, Sa^edia, Endocarpon.. 



FAM 7. LECIDEACEjE nob. {Podetiopsorae R c h b.). 



Lichenes minuti v. mediocres, saepius terri-saxi-lignicolae; 

 Thallus crustac, squamuloso-foliaceus, granulosus v. obsoletus; 



in podetia H longa , solida v. fistulosa, obsoleta v. cum 



ihallo confluentia abiens, Apothecia primilus aperta <^ c. 

 hypothecio conico, globoso v. deplanato, lamina sporigera 

 durabili v. faliscente obducto ; excipulo proprio marginante 

 v. nullo, raro thallode clauso, demum acroschizo : 



a. Calycieoe : minutae, thallo subleproso v. O; prodetiis 

 gracillimis , apothec. primitus apertis, glob. v. conicis , fatis- 



