Page:The Living Flora of West Virginia and The Fossil Flora of West Virginia.pdf/190

166 THE WEST VIRGINIA FLORA PLAGIOCHILA Dum. P. Sullivantii Gottsche. Monongalia: on earth in vicinity of Quarry Run (An drews). P. PüRelLoiDES Lindb. Monongalia : on sandstone boulder in Tibbs Run, Grant, in a deep ravine on wet stones and sand near Bayard (Millspaugh, 1700, 2000, 2050, 2041). P. viRGiNiCA Evans, in Millsp. Prel. Cat. Flora, Y. 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 retlexed at base, mostly entire, the apex broad, rounded or truncate, sharply and irregularly spinulose ; amphigastria none. Stems i to 3 cm. long, with the leaves 1 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 drv 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 (Andrervs). 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).