126 BIOLOGICAL SOCIETY OF WASHINGTON. 



Graphis dentritica, var. inusta,.Ach. 

 " tricosa, Ach. 



nitidia (?),Nyl. 

 Fam. 3. ARTHONIEI. 



Arthonia pyrrhula, Nyl. 

 " rubella, Nyl. 



" cinereo-pruinosa, Schajr. 



" cinnabarina, Wallr. 



Arthonia lecidella, Nyl. 

 " lurida, Ach. 



" patellulata, Nyl. 



" astroidea, Nyl. 



" epipasta, Ach. 



" macularis, Fr. 



" obscura, Ach. 



" punctiformis, Ach. 



" polymorpha, Ach. 



" taediosa, Nyl. 



" spectabilis, Fl. 



" anastomosans, Ach. 



Mycoporum pycnocarpum, Nyl. 

 Trib. IV. t'alieiacei. 



Acolium tigillare, Dnot. 

 Calicium trichiale, Ach. 



" brunneolum, Ach. 



subtile, Fr. 



. " trachelinum, Ach. 

 " turbinatum, Pers. 



" leucopodum, Nyl. 

 " albo-nigrum, Nyl. 



B. ANGIOCARPI. 

 Trib. V. Verrucariaci'i. 



Fam. 1. ENDOGARPEI. 



Endocarpon miniatum, Schser. 



" " var. complicatum, Schser. 



" " aquaticum, Schoer. 



" arboreum, Sch\vein. 



" rufescens, Ach. 



" pusillum. I Icchv. 



