JAN. 1896. FLORA OF W. VIRGINIA MILLSPAUGH & NUTTALL. 181 



B. inundata Fr. 



On sandstone rock (Nuttall, 1074). 



B. suffusa Fr. 



On bark of tree (Nuttall, 1095). 



LECIDEA Ach. 

 Xi. Tennesseensis Nyl. 



On sandstone rock (Nttttall, 1073). 



Xi. fuliginea Ach. 



On upper side of dead log (Nut tall, 1787). 



Xi. Nuttallii Calkins, mss. 



Parasitic on Sticta erosa (Nut tall, 1781). 



Xi. Virginiensis Calkins, mss. 



On sandstone rock under drip of wet cliff (Nuttall, 1779). 



Xi. ericina Nyl. 



Bark of trees (Nuttall, 1047). 



BUELLIA DeNot. 



B. myriocarpa (DC.) Mudd. 



On bark of trees (Nuttall, 1185). 



B. petrsea(Fl.) Tuck. 



On sandstone rocks (Nuttall, 1071). 



GRAPHIDACE^:. 



OPEGRAPHA Humb. 

 O. varia (Pers.) Fr. 



Bark of trees (Nuttall, 1034). 



O. atra Pers. 



Bark of trees (Nuttall, 1033). 



GRAPHIS Ach. 

 G. scripta (Linn.) Ach. 



On bark of trees (Nuttall, 1051). 



G. scripta recta Schaer. 



On bark of Betula luiea and of B. lenta (Nuttall, 1026). 



G. elegans (Sm.) Ach. 



On bark of trees, Fayette Co. (Nuttall, 1039). 



G. dendritica Ach. 



On bark of Betula lenta, etc. (Nuttall, 1037). 



ARTHONIA Ach. 

 A. cinuabariua Wallr. 



Bark of tree (Nuttall, 939). 



