154 tiil: wiisr \ikgima flora 



STICTA Schreb. 



S. CROCATA (L.) Acll. 



On bark {Sheldon, 3709). 



S. HERBACEA (Huds.) Ach. 



McDowell Co., on oaks, Elkhorn {Millspaitgh) . 

 S. EROSA (Eschw.) Tuck. 



On trees, alt. 1,850 ft. {Nutfall, 982). 



S. PULMONARIA (L.) Ach. 



Wirt Co., on trunks of oaks, near Burning- Springs (Mills- 

 paugh, 327). On trees, alt. 1,875 ft. (Nnttall, 824). 

 S. QUERCizANS (Michx.) Ach. 



On trees and rocks {Nuttall, 1057). 



PELTIGERA Willd. 



P. POLYDACTYLA (Ncck.) Hoffm. 



On soil (Sheldon, 649, 1150, 1455, 1543, 2578). 

 P. APHTHCSA (K.) Hofifm. 



Monongalia Co., on rock ledge, near Cassville (Mills- 

 paitgh). On rocks among mosses, alt. 1,800 ft. (Nuttall, 

 1090). 

 P. sp. nan fruct. 



On Rhododendron maximum (Nuttall, 938). 

 P. HORizoNTALis (Linn.) Hoffm. 



On rocks among mosses, alt. 1,875 ^^- (Nuttall, 1091). 

 P. CANiNA (Linn.) Hofifm. 



On earth, rocks and trees (Nuttall, 1061.) 



NEPHROMA Ach. 

 N. Helveticum Ach. 



On rocks (Sheldon, 2721, 2991, 4067). 



P A N N A R I A C E AE. 



PANNARIA Delis. 

 P. RUBiGiNOSA (Thunb.) Delis. 



On mossy logs (Nuttall, 1055). 



P. LEUCOSTICTA Tuck. 



On mossy logs and rocks (Nuttall, 1064). 

 P. NIGRA (Hud'^3.) Nyl. 



On sandstone rocks (Nuttall, 1077). 



C O L L E M A C E AE. 



PHYSMA Zahlbr. 

 P. LURiDUM Mont. 



On bark (Sheldon, 3685, 3698). 



