WEST VIRGINIA GEOLOGICAL SURVEY 26=; 



R. HISPIDA (Desv.) Britten. (N. palustre var. hispiaum, Gray). 



Preston : near Kingwood. 

 R. Armoracia (L.) Hitch. Horseradish. {Nasturtium Arino- 

 racia Fries.). 



Escaped from cultivation in many waste places and fields, 

 ^larshall : frequent in several places where it is complained 

 of as a weed difficult to eradicate. Jefferson : near Shenan- 

 doah Junction. 



CARDAAHNE L. 



C. parvi flora Linn. 



On rocks. Monongalia : near Morgantown (A. B. Brooks) ; 

 near Uffington {Slieldon, 1366). 

 C. HiRSUTA L. Small Bitter Cress. 



Wet places. Monongalia : Monongahela River below Mor- 

 gantown ; above Little Falls. Marion : near Catawba and 

 elsewhere. Fayette : near Nuttallburg (iYnWa//). Randolph: 

 near Pickens {H. H. Smith, 1406). 

 C. BULBOSA(Schreb.)B.S.P. Spring Cress. (C.rho'mboidea,T)C.). 

 'W'et meadows and springy places. Preston : Cold Spring. 

 Alonongalia : road to Cheat River beyond Easton. Wood : 

 Kanawha Station. Fayette: near Nuttallburg, common 

 (Nuttall). Mercer: near Bluefield. 

 C. PURPUREA (Torr.)Britt. (C. rhomhoidea, var. purpurea, Torr.). 

 Damp places. Alonongalia: near Morgantown (Mills- 

 paugli). Ohio: in a spring marsh near Wheeling {Mertz, 

 144b). Upshur {Pollock). 

 C. ROTUNDiFOLiA Michx. Mountain Water Cress. 



Cool Springs. Preston : Cold Spring. Jefferson : Flowing 

 Spring. "Wirt : near Burning Springs. Calhoun : Laurel 

 Run. Monongalia : near Morgantown. Ohio : near Wheel- 

 ing {Mertz, 145). 

 C. PRATENSis Linn. 



Wet meadows. Ohio: near Wheeling {Richardson). 



C. Pennsylvanica Muhl. 



Wet places. Randolph : borders of Candy Creek .( Gr^^M- 

 man 374, 373) and vicinity of Horton. 



DENTARIA L. 



D. diphylla Michx. Pepper Root. 



Common in deep, cool ravines and in the mountains. 

 Monongalia : Wirt : Wood : Calhoun : Lewis : Upshur : near 

 Buckhannon {Pollock) Jefferson : Grant : and Tucker coun- 

 ties. Gilmer: near Glenville {Mapel; Brown). Fayette: 

 Hawk's Nest {Porter) ; near Nuttallburg (Nuttall). 



