WEST VIRGINIA GEOLOGICAL SURVEY 



R. HISPIDA (Desv.) Britton. (N. palustre var. hispidum, Gray). 



Preston : near Kingwood. 



R. ARMORACIA (L.) Hitch. Horseradish. (Nasturtium Armo- 

 racia Fries.). 



Escaped from cultivation in many waste places and fields. 

 Marshall : frequent in several places where it is complained 

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

 doah Junction. 



CARDAM.INE L. 



C. PARVIFLORA Linn. 



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

 near Uffington (Sheldon, 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 (Nuttall). Randolph: 

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



C. BULBOSA(Schreb.)B.S.P. Spring Cress. (C. rhomboidea, DC.). 



Wet meadows and springy places. Preston : Cold Spring. 



Monongalia : road to Cheat River beyond Fasten. Wood : 



Kanawha Station. Fayette : near Nuttallburg, common 



(Nuttall). Mercer: near Bluefield. 



C. PURPUREA(Torr.)Britt. (C. rhomboidea, var. pur pur ea, Torr.). 

 Damp places. Monongalia: near Morgantown (Mills- 

 paugh). Ohio: in a spring marsh near Wheeling (Mertz, 

 I44b). 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. PENNSYLVANIA Muhl. 



Wet places. Randolph : borders of Candy Creek (Green- 

 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). 



