ADDITIONS TO THE FLORA OF WASHINGTON. 



119 



Usnea barbata, Fr. 



" " var. florida, Fr. 



" hirta, Fr. 

 " " " rubiginia, Michx. 



" " " dasypoga, Fr. 



" " " ceratina, Schser. 



" angulata, Ach. 

 " trichodea, Ach. 

 Alectoria jubata, L. 

 Fam. 2. PAKMELIEI. 



Theloschistes chrysophthalmus, Norm. 



" var. flavicans, Wallr. 



" parietinus, Norm. 



" polycarpus, Ehrh. 



" lychneus, Nyl. 



" concolor, Dick. 



" " var. effuse, Tuck. 



Parmelia perforata, Ach. 



" " var. hypotropa, Nyl. 



crinita, Ach. 

 saxatilis, Fr. 

 physodes, Ach. 

 Borreri, Turn. 



" var. rudecta, Tuck, 

 laevigata, Nyl. 

 tiliacea, Floerke. 



" var. sublaevigata, Nyl. 



" " sulphurosa, Tuck. 



cetrata, Ach. 



colpodes, Nyl. 



olivacea, Ach. 



caperata, Ach. 



conspersa, Ach. 



ambigua, Ach. 

 Physcia speciosa, Nyl. 

 " hypoleuca, Tuck. 



" comosa, Nyl. 

 " granulifera, Tuck. 



