154 THE WEST VIRGINIA FLORA 



STICTA Schreb. 

 S. CROCATA (L.) Ach. 



On bark {Sheldon, 3709). 



S. HERBACEA (Huds.) Ach. 



McDowell Co., on oaks, Elkhorn (Millspaugh). 

 S. EROSA (Eschw.) Tuck. 



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



S. PULMONARIA (L.) Ach. 



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

 paugh, 327). On trees, alt. 1,875 ft. {Nuttall, 824). 

 S. QUERcizANS (Michx.) Ach. 



On trees and rocks {Nuttall, 1057). 



PELTIGERA Willd. 

 P. POLYDACTYLA (Neck.) Hoffm. 



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

 P. APHTHOSA (K.) Hoffm. 



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

 paugh). On rocks among mosses, alt. 1,800 ft. {Nuttall, 

 1090) . 



P. sp. non fruct. 



On Rhododendron maximum {Nuttall, 938). 

 P. HORizONTALis (Linn.) Hofifm. 



On rocks among mosses, alt. 1,875 ft. {Nuttall, 1091). 

 P. CANiNA (Linn.) Hoffm. 



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



NEPHROMA Ach. 

 N. Helveticum Ach. 



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



PANNARIACEAE. 



PANNARIA Delis. 

 P. RUBiGiNOSA (Thunb.) Delis. 



On mossy logs {Nuttall, 1055). 



P. LEUCOSTICTA Tuck. 



On mossy logs and rocks {Nuttall, 1064). 

 P. NIGRA (Huds.) Nyl. 



On sandstone rocks {Nuttall, 1077). 



COLLEMACEAE. 



PHYSMA Zahlbr. 



P. LURiDUM Mont. 



On bark {Sheldon, 3685, 3698). 



