WEST VIRGINIA GEOLOGICAL SURVEY 1 53 



PHYSCIACEAE. 

 PYXINE Nyl. 



P. SOREDIATA Fr.. 



On trunk of Ash (Sheldon, 3690). 



PHYSCIA DC. 

 P. LUCOMELA (L.) IMichx. 



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

 Spring {Millspaugh, 1539). 

 P. ciLiARis (Linn.) DC. 



On mossy sandstone rocks (Nuttall, 1063). 



P. CILIARIS CRINALIS Sch^r. 



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 AIPOLIA Nyl. 



On sandstone rock {Nuttall, 1778). 

 P. LEUCOMELAENA (L.) Wain. 



On bark {Sheldon, 3701). 

 P. SPECioSA ("\\'ulf.) Nyl. 



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

 P. COMOSA (Eschw.) Nyl. 



On Red Cedar twigs {Sheldon, 2722). 



U M B I L I C A R I A C AE. 



UMBILICARIA Hoffm. 

 U. DiLLENii Tuck. 



On sandstone rocks {Nuttall, 823). 

 U. Pennsylvanica 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. jMuhlenbergii (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). 



