126 BIOLOGICAL SOCIETY OF WASHINGTON. 



Graphis dentritica, var. inusta, Ach. 

 " tricosa, Ach. 



nitidia (?), Nyl. 

 Fain. 3. ARTHONIEI. 



Arthonia pyrrhula, Nyl. 

 " rubella, Nyl. 



" cinereo-pruinosa, Schger. 



" 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. 

 Trlb. IV. 4'aliciaoei. 



Acolium tigillare, Dnot. 

 Calicium trichiale, Ach. 



" brunneolum, Ach. 



subtile, Fr. 

 " trachelinum, Ach. 



" turbinatum, Pers. 



" leucopodum, Nyl. 



" albo-nigrum. Nyl. 



B. ANGIOCARPI. 

 Trib. \. Verrucariacci. 



Fam. \. ENDOCARPEI. 



Endocarpon miniatum, Scheer. 



" " var. complicatum, Schfer. 



" " " aquaticum, Schaer. 



" arboreum, Schwein. 



" rufescens, Ach, 



" pusillum. 1 [edw. 



