152 THE WEST VIRGINIA FLORA 



T. coNCOLOR (Dicks.) Tuck. 



On Robiiiia 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). 



PARMELIACEAE. 



PARHELIA Ach. 

 P. PERLATA (Linn.) Ach. 



On Acer rnbriim, and on sandstone boulders (Nuttall, 

 848). 

 P. BoRRERi Turn. 



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



P. BORRERI RUDECTA Tuck. 



On Rohinia Pseudacacia, Monongalia Co., along Falling 

 Run (Millspaiigh, 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 Primus serotina (Sheldon, 3735). 

 P. RUDECTA Ach. 



On bark of Red Oak (Sheldon, 3946). 



