152 THE WEST VIRGINIA FLORA 



T. CONCOLOR (Dicks.) Tuck. 



On Robinia Pseudacacia, alt. 2,000 ft. (Nuttall, 1144). 

 T. CONCOLOR EFFUSA Tuckerm. 



Summers: near Lowell (Pollard & Maxon, 150). 



EVERNIA Ach. 

 E. FURFURACEA (L.) Mann. 



On rock; on trunks of trees (Sheldon, 2486, 1544, 3861). 



PARMELIACE AE. 



PARHELIA Ach. 

 P. PERLATA (Linn.) Ach. 



On Acer rubrum, and on sandstone boulders {Nuttall, 



P. BORRERI Turn. 



On Oak, alt. 1,850 ft. (Nuttall, 1032). 

 P. BORRERI RUDECTA Tuck. 



On Robinia Pseudacacia, Monongalia Co., along Falling 

 Run (Millspaugh, 1531). 

 P. COLPODES (Ach.) Nyl. 



On Oak, alt. 1,850 ft. (Nuttall, 1141). 

 P. OLIVACEA (L.) Ach. 



On Liriodendron log newly felled, Monongalia Co., Falling 

 Run (Millspaugh, 1343). 



P. CAPERATA (L.) Ach. 



Monongalia Co., on sandstone rocks, and base of Beech, 

 Falling Run (Millspaugh, 1283). 



P. CETRATA Ach.? .. 



Sterile, but probably referable : to this species. Summers 

 near Lowell (Pollard & Maxon, 146). 

 P. TILIACEA (Hoffm.) Flk. 



Summers: near Lowell (Pollard & Maxon, 151). 

 P. PHYSODES (L.) Ach. 



On the bark of various trees (Sheldon, 1532, 3456, 3663, 

 3668) ; on roof of shed, (3056). 

 P. CONSPERSA (Ehrh.) Ach. 



On a rock (Sheldon, 2160). 

 P. OLIVARIA (Ach.) Hue. 



On rock (Sheldon, 3344). 



P. EXASPERATA (Ach.) DeNot. 



On bark .of Prunus serotina (Sheldon, 3735). 



P. RUDECTA Ach. 



On bark of Red Oak (Sheldon, 3946). 



