— 89 — 



(Sphaeriae Sp. Bernh. Thelotrematis Sp. 

 Acn. L. M. Verrucariae Sp. Pers.) 



15. Thelotrema. Ach. Apoth. verruciforme a 

 thallo formatum excauatum marginatum, tha- 

 lamium perithecio membranaceo, supra rum- 

 pente, cinctum, includens; nucleo compresso 

 intus similari substriatoque. 



Thallus cartilagineus membranaceus et sub- 

 crustaceus vniformis. 



(Vna specres Vrceolariae Ach.) 



16. Vyrenula. Ach. Apoth. verruciforme a thallo 

 formatum , thalamium solitarium, perithecio 

 crasso cartilagineo (atro) papillato prominente 

 obductum, includens nucleo globoso cellu- 

 lifero. 



Thallus crustaceus vel cartilagineo - mem- 

 branaceus vniformis. 



(Nouum genusAcH. vnicam Spec. Thelotre- 

 matis et Verrucariae Ach. M. L. et Suppl. 

 complectens.) 



17. Variolaria. Pers. Apoth. verruciforme a 

 thallo formatum(passim sorediferum) submar- 

 ginatum , tiaminam proligeram (perithecio 

 destitutam) compressam celluliferam inclu- 

 dens velansque. 



Thallus cartilagineo-membranaceus vel cru- 

 staceus vniformis. 



(Verrucariae S. Hoffjm. Wigg. — Herpetis 

 Sp.. Hall.) 



13. Sagedia. Ach. Apoth. verruciforme a thaUo 

 formatum supra membrana colorata, depres- 

 sione disciformi nctata, Laminamque proli- 

 geram nucleiformem intus similarem thallo 

 immersam obuelante, tectum. 

 Thallus crustaceus vniformis. 



