1 66 THE WEST VIRGINIA FLORA 



PLAGIOCHILA Dum. 

 P. SULLIVANTII Gottsche. 



Monongalia : on earth in vicinity of Quarry Run (An- 

 drews). 

 P. PORELLOIDES Lindb. 



Monongalia : on sandstone boulder in Tibbs Run, Grant, 

 in a deep ravine on wet stones and sand near Bayard (Mills- 

 paugh, 1700, 2000, 2050, 2041). 

 P. VIRGINICA Evans, in Millsp. Prel. Cat. Flora, W. Va., 497 



(1892). 



Growing in wide, depressed, and intricate tufts; stems 

 ascending from a prostrate caudex, simple or sparingly 

 branched, sometimes geniculate and rooting at the joints, 

 otherwise eradiculose; leaves contiguous or somewhat im- 

 bricated, widely patent, ovate or rhomboid-ovate, the dorsal 

 margin decurrent, slightly reflexed, entire, the ventral mar- 

 gin plane or refiexed at base, mostly entire, the apex broad, 

 rounded or truncate, sharply and irregularly spinulose ; am- 

 phigastria none. 



Stems i to 3 cm. long, with the leaves i to 2 mm. wide ; 

 leaves 1.2 mm. long, 0.7 mm. wide; spines short, acute, 

 separated by rounded sinuses, varying in number from 2 to 

 3 on each leaf, usually 4 or 5 ; leaf-cells averaging 0.023 

 . mm. in diameter in middle of leaf, thin-walled and scarcely 

 thickened at the angles. 



Mercer : on walls of dry limestone cave, Beaver Spring 

 (Millspaugh, 1550). 



CHILOCYPHUS Corda. 

 C. PALLESCENS (Ehrh.) Dum. 



Preston: near Albright, on decaying log (Sheldon, 3373). 

 C. POLYANTHUS (L.) Corda. 



Pocahontas : on decaying leaves and grass in Cranberry 

 Glades (Sheldon, 3846); and Greenbrier : on decaying log 

 at Durbin (3766). 



LOPHOCOLEA Dum. 



L. BIDENTATA (L.) Dum. 



Monongalia: on mossy rocks by Quarry Run (Andrews). 

 L. HETEROPHYLLA (Schrad.) Dum. 



Monongalia: on earth near Easton (Andrews), and at 

 Morgantown (Sheldon, 2846). Taylor: on rocks and earth 

 at Fettermann (Sheldon, 2535). 

 L. MINOR Nees. 



Wayne: on rocks and earth near Ceredo (Sheldon, 3895). 



