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ALEcToRIA Ach. 
A. divergens (Ach.) Nyl. 
A. jubata L. 
Var. implexa Fr. 
Var. chalybetformis Ach. 
Var. bicolor Fr. 
Var. prolixa Ach. 
A. capillaris (Ach.) Nyl. (A. judbata var. cana Ach.) 
Thallus pale, hoary to yellowish-rufescent, much elongated 
and frequently branched ; branches flaccid, densely entangled and 
somewhat compressed, angular, lacunose beneath; apothecia un- 
known. , 
A. ochroleuca (Ehrh.) Nyl. 
Var. vigida Fr. 
Var. osteina Nyl. 
Var. nigricans Ach. (A. nigricans Ny}.) 
Var. circinata Fr. 
~ Var. sarmentosa Ny\l. 
THELOSCHISTES Norm. 
L chrysopthalmus (L.) Norm. 
T. parietinus (L.) Norm. 
Var. aurcola Ach. 
Thallus brighter yellow to orange, rounded, lobate, sinuately 
incised, thicker, crenate, the margins erect, granulate; apothecia 
sub-crenate. 
T. lychneus Ny). 
T. polycarpus Ehrh. 
Var. pygmaeus Fr. 
_T. concolor Dicks. (Xanthoria candelaria Ny\.) 
PARMELIA Ach. 
P. aurulenta Tuck. 
P. tiliacea (Hoff.) Flk. 
Var. sublaevigata Ny). 
P. cetrata Ach. 
P. Borreri Turn. 
Var. rudecta Tuck. 
P. saxatilis (L.) Fr. 
