Jan. 1896. Flora of W. Virginia — Millspaugh & Nuttall. 181 



B. inundata Fr. 



On sandstone rock (^Nuttall, 1074). 



B. suflfusa Fr. 



On bark of tree {Nuttall, 1095). 



LECIDEA Ach. 

 Ij. Tennesseensis Nyl. 



On sandstone rock {Nuttall, 1073). 



Xi. fuliginea Ach. 



On upper side of dead log {Nuttall, 1787). 



Xi. Nuttallii Calkins, mss. 



Parasitic on Sticta erosa {Nuttall, 1781). 



Xi. Virginiensis Calkins, mss. 



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



X(. ericina Nyl. 



Bark of trees {Nuttall, 1047). 



BUELLIA DeNot. 

 B. myriocarpa (DC.) Mudd. 



On bark of trees {Nuttall, 1185). 



B. petraea (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 lutea 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. cinnabarina Wallr. 



Bark of tree {Nuttall, 939). 



