WEST VIRGINIA GEOLOGICAL SURVEY 153 



P H Y S C I A C E AE. 

 PYXINE Nyl. 



P. SOREDIATA Ff. 



On trunk of Ash (Sheldon, 3690). 



PHYSCIA DC. 

 P. LUCOMELA (L.) Michx. 



Mercer Co., with moss on wet limestone ledge, Beaver 

 Spring (Millspaugh, 1539). 

 P. CILIARIS (Linn.) DC. 



On mossy sandstone rocks (Nuttall, 1063). 

 P. CILIARIS CRINALIS Schser. 



On moss, alt. 1,850 ft. (Nuttall, 1042). 

 P. AQUILA (Ach.) Nyl. 



On rocks and on moss (Nuttall, 1035). 

 P. STELLARIS (Linn.) Tuck. 



On standstone rock (Nuttall, 872). 



P. STELLARIS AIPOL1A Nyl. 



On sandstone rock (Nuttall, 1778). 

 P. LEUCOMELAENA (L.) Wain. 



On bark (Sheldon, 3701). 

 P. SPECIOSA (Wulf.) Nyl. 



On a tree trunk with mosses (Sheldon, 3696). 

 P. COMOSA (Eschw.) Nyl. 



On Red Cedar twigs (Sheldon, 2722). 



UMBILICARIACAE. 



UMBILICARIA Hoffm. 

 U. DILLENII Tuck. 



On sandstone rocks (Nuttall, 823). 

 U. PENNSYLVANIA Hoffm. 



On sandstone rocks (Nuttall, 849). 

 U. PUSTULATA (Linn.) Hoffm. 



On faces of sandstone cliffs (Nuttall, 855). 

 U. PAPULOSA (L.) Hoffm. 



On rock (Sheldon, 2491). 



U. MUHLENBERGII (L.) Hoffm. 



On rocks at the summit of White Top Mountain (Sheldon, 

 2480). 



PELTIGERACEAE. 



LOBARIA Hue. 

 L. AMPLISSIMA (Scop.) Arn. 



On trunks of various trees (Sheldon, 1300, 2470, 3451, 

 3702, 3963). 



