— 303 — 



basi rupiiim sat fréquenter, sempcr fere Lepraria tobificanie 

 associatum. 



ïhallus K — . Incerti est generis Lichen, ob apothecia hu- 

 cusque ignota. Simul occurrens Zeprarm, forsan sit Lccidea 

 ( lobijicans dicenda ), subsimilis Lecideœ neglectcc , quoad 

 ihalium , sed hoc lobato et reactione K flava distinctiore ; 

 apothecia non visa. 



Cladonia pyxidata (L.). — Sat parce. 



CL. coraUoidea (Ach.). Thallus K — . — In clivis passim. 



RamaLina breviuscula Nyl. — Ad saxa prope mare , haud 

 rara. 



Roccella phycopsis Ach. — Saxicola in summo Cap Béarn 

 parce. 



Parmeiia soredians Nyl. — Ad saxa passira. Simul P. 

 Borreri * ulopliylla (Ach.). 



P. scortea Ach. — Ibidem frequens. 



P. perforata Ach. et P. perlata (Ach.) Nyl. — Ad saxa 

 passim. 



P. conspersa Ach. — Passim saxicola. Etiam terrestris , 

 supra ipsam terram sabulosam nudam , juxta viam versus 

 Vatbo?î)ie. 



P. yerrwci^era Nyl. Sporœ longit. 0,008—0,010 millim., 

 crassit. circiter 0,005 millim. Spermatia bifusiformia, longit. 

 0,006 — 7 millim. , crassit. vix 0,001 millim. Thallus effuse 

 papilloso-isidiosus vel verrucoso-isidiosus. — Ad saxa haud 

 raro obveniens. 



P. prolixa (Ach.) et * De/ese? (Dub.).— Saxicolae passim. 



Physcia parietina var. auréola (Ach.). — Frequens ad 

 saxa aprica. 



Pk. enteroxantha Nyl. Subsimilis Physciœ pulverulentœ , 

 ihallo albo-pruinoso adnato , at meduUa tota citrino-flava 

 (strato corticali subrotundato-celluloso) , K — . — Socia Par- 

 mclice scorteœ prope Portum Veneris , supra lerrara 

 saxorum. 



