WEST VIRGINIA GEOLOGICAL SURVEY 177 



POTTIACEAE. 



DESMATODON Brid. 

 D. PORTERI James. 



Jackson : on sandstone rock near Ravenswood (Sheldon, 

 2388). 



TORTULA, L. 



T. MURALIS (L.) Hedw. Barbula muralis (L.) Trin. 



Mercer: on sandstone ledge, Beaver Spring (Millspaugh, 

 1553). 



TORTELLA C. M. 



T. HUMILIS (Hedw.). B. caespitosa, Schwsegr. Barbula humilis 

 Hedw. 



Mercer: roots of oak, Bluefield (Millspaugh, 1447). Fay- 

 ette: Nuttallburg (Nuttall). 



T. UNGUICULATA (Huds.). Barbula unguiculata Hedw. 



Greenbrier: on rocks along rill near Fort Spring; Monon- 

 galia : on Front Street curb stone and on stone pile in 

 South Park, Morgantown (Sheldon, 2803, 2051, 2279). 

 T. TORTUOSA (L.) Limpr. Barbula tortuosa W. & M. 



Monongalia: in sand under boulder, Camp Eden (Mills- 

 paugh, 1395). 



WEISIA Hedw. 



W. VIRIDULA Hedw. (Mollia viridula Lindb.)- 



McDowell: on ground, open woods, Elkhorn (Millspaugh, 

 1496, 1497). Fayette: near Nuttallburg (Nuttall). 



G R I M M I A C E A E. 



GRIMMIA Ehrh. 

 G. APOCARPA (L.) Hedw. 



Monongalia : on rocks in Tibbs Run (Andrezvs). 



RHACOMITRIUM Brid. 

 R. ACICULARE (L.) Brid. 



Monongalia: at Tibbs Run (Andrews}. 



ORTHOTRICHACEAE. 

 DRUMMONDIA Hook. 



D. CLAVELLATA Hook. 



Monongalia: on a tree near Easton (Andreivs} . 



