GENERUM CRYPTOGAMICOKUM. 695 



V. LICHENES. 



A. A i>r G I o c A R p I Schrad. 

 (Myelocarpi Meycr, Pjrenocymatii Wallr.') 



Apothecia siihglobosa y thallo inclusa: asci spo~ 

 rophori subdeliquescentes. 



491. ExDOCARFOx Hediu. Apothecia f[Iobosa, 

 tliallo inchisa, ostiolo punctiformi in superficie pa- 

 tiila , excipiilo thallode. Ascidia hyalina, radiata, 

 subtilissima, sporidia turbida vel opaca gerentia. 

 Thalius horizontalisj subfoliaceus. Sp. 1404 — 

 1406. 



492. PoROPHORA Meyer. Verrucae thallodes 

 nucleos plures gelatinosos cum sporidiis coloratis 

 hyalinis intra ascidia laxa tenerriraa continentes. 

 Ostiola vel papillae- vel punctiformia. Thallus 

 crustaceus, saepe in soredia (Isidium Ach^ abiens. 

 Sp. 1407. 



493. Verrucaria Pers. Apothecia subglobosa, 

 atra, thallo crustaceo innata, ostiolo vel papilla 

 instructa , nuda yel thallo obvelata. Sporidia mo- 

 niliformia. Sp. 1408—1414. 



494. PvRETfOTHEA lVfe5. Apothccia subglobo- 

 sa, carbonacea, ostiolo pertusa, globulum spori- 

 diophorum protrudentia, evacuata discoidea. Sp. 

 1415 — 1419. 



B. H Y M E N o c A R p 1 Meyev. 

 (Discocymatii Wallr.) 

 Lamina proligera aperta, ihallo innata: asci 

 sporophori persisientes» 



