l6o THE WEST VIRGINIA FLORA 



Super thallum Ricasolia suhlaevis Nyl. Fayette : near 

 Nuttallburg (L. W. Nuttall coll. no. 1781). 

 L. ViRGiNiENSis Calk. & Nyl, Bot. Gaz., 22:333, (1896). 



Thallus glaucescens tenuis lasvigatus rimulosus citrino- 

 flavus ; apothecia f usca aut nigra convexiuscula immarginata 

 latit. circ. 0.5 mm., intus medio sordida; spora oblonga in- 

 coloris, long. 0.009-0.012, crass. 0.004-6 mm. ; epithecium et 

 pars media hypothecii dilute fuscescens. In toto gelatina 

 hymenialis coerulescens, dein theca vinose rubescens. 



E stirpe videtur Lecidca sangnineo-atra, prope Lecidewn 

 delineatam Nyl. 



On sandstone rock under the drip of a wet cliff. Fayette : 

 near Nuttallburg (L. W. Nuttall coll. no. 1779). 



L. ERICINA Nyl. 



Bark of trees (Nuttall, 1047). 



L. PLATYCARPA STERIZA (Ach.) Nyl. 



On a rock (Sheldon, 4030). 



L. SPEIREA Ach. 



Fayette: near Quinnimont (Pollard & Maxon, 134). 

 L. ALBOCOERULESCENS (Wulf.) Schasr. 



Fayette: near Quinnimont (Pollard & Maxon, 138). 



L. CRUSTULATA Ach. 



On stones (Sheldon, 4058). 



BUELLIA DeNot. 



B. MYRiocARPA (DC.) Mudd. 



On bark of trees (Nuttall, 1185). 



B. PETRAEA (Fl.) Tuck. 



On sandstone rocks (Nuttall, 1071). 



B. COLLUDENS Nyl. 



On sandstone (Sheldon, 2289). 



G R A P H I D A C E AE. 



OPEGRAPHA Humb. 



O. VARiA (Pers.) Fr. 



Bark of trees (Nuttall, 1034). 

 O. ATRA Pers. 



Bark of trees (Nuttall, 1033). 

 O. MiNUTULA Merrill ined. 



On sandstone ledge (Sheldon, 3987). 



