124 BIOLOGICAL SOCIETY OF WASHINGTON. 



Cladonia macilenta, Hoff. 



" Floerkiana, Fr. 



" pulchella, Schwein. 



" cristatella, Tuck. 



" leporina, Fr. (var.) 



Cystocoleus rupestris, Rabh. 



Fam. '2. LECIDEEI. 



Baeomyces roseus, Pers. 

 Biatora rufo-nigra, Tuck. 

 " coarctata, Th. Fr. 

 " decolorans, Fr. 

 " russula, Mont. 

 " sanguineo-atra, Fr. 

 " atro-rufa, Ach 

 " exigua, Fr. 

 " milliaria, Fr. 

 " anomala, Fr. 

 " mixta, Fr. 



rubella, Fr. 

 " " var. spadicea, Ach. 



" " " suffusa, Fr. 



" " " Schweinitzii, Tuck. 



" " " incompta, Nyl. 



" " " inundata, Fr. 



" " " arceutina, Ach. 



" umbrina, Ach. 

 " chlorosticta, Tuck. 

 " vernalis, Fr. 

 " uliginosa, Fr. 

 " hypnophila, Turn. 

 " campestris, Fr. 

 " resinae, Fr. 

 Heterothecium sanguinarium, Tuck. 



" leucoxanthum, Spreng. 



" vulpinum, Tuck. 



Lecidea contigua, Fr. 

 " enteroleuca, Fr. 

 " " var. olivacea, Fr. 



