Hepaticae. 



R I C C I A C E AE. 



RICCIA Linn. 



R. CANALICULATA Hoffm. (Ricciella nuitans A. Br.). 



The sterile, water form (syn. above). Sandy soil along 

 edge of brook, Monongalia, near Ceredo, and on edge of 

 small pond, near Morgantown (Sheldon, 3897, '3928). 



MARCHANTIACEAE. 



REBOULIA Raddi. 

 R. - -sp. ? 



A sterile specimen on earth and rock, Monongalia, near 

 Warntown (Sheldon, 3631). 



CONOCEPHALUS Neck. 



C. CONICUS (Corda) Schiffn. (Conocephalum conicum Dum.). 

 Monongalia : on ground and sandstone boulders in deep 

 woods at Tibbs Run (Millspaugh, 1672) ; on rocks beside a 

 stream near Randall, same situation north of Morgantown 

 and on University Campus below Falling Run (Sheldon, 

 177, 1308) ; also at Coopers Rock (Post, 1669). 



LUNULARIA Adans. 

 L. CRUCIATA (L.) Dum. 



In a greenhouse, Monongalia: at Morgantown (Sheldon. 

 2941). 



MARCHANTIA (L.) Raddi. 

 M. POLYMORPHA Linn. 



In various situations, Monongalia : near Morgantown, be- 

 tween bricks of sidewalk (Millspaugh), on brick wall in 

 Experiment Station greenhouse (Sheldon, 537) ; among 

 damp mosses base of sandstone boulder, Tibbs Run (Mills- 

 paugh), on earth near the mouth of a coal mine at Richards 

 (Sheldon). Preston: around the edge of a lime pile at Pis- 

 gah, on earth in spruce swamp near Cranesville (Sheldon, 

 1531, 1462). Gilmer: near Glenville (Mapel). Fayette 

 near Nuttallburg (Nuttall). Randolph: on ground in a 

 burned place at the summit of Point Mountain ; Grant : in a 



