312 THE WEST VIRGINIA FLORA 



Steele). Webster: at Hacker Valley (H. H. Smith 1571). 

 Greenbrier : near White Sulphur Springs. Hardy : near 

 White Sulphur Springs. Hardy: near Moorefield (Gamble)- 

 O. ARGILLICOLA. Mackenzie, Torreya 4:56. 1904). 



Biennial, with numerous stems ascending from the same: 

 root, 5-15 dm. hgh. Stems puberulent, but otherwise with- 

 out pubescence ; leaves of the stemless plant of the first year 

 rosulate, 6-15 cm. long, the blades oblanceolate, 15 mm. or less 

 wide, sinuate, acute, puberulent on both sides, the mid-nerve 

 strongly developed, tapering at the base to a long, rather 

 narrowly winged petiole; cauline leaves of the flowering 

 plants of the second year, with narrowly linear-lanceolate 

 blades, the well-developed ones 6-8 cm. long, 7 mm. or less 

 wide, remotely sinuate-dentate, acute, glabrous or slightly 

 puberulent, tapering to a petiole-like base and often strongly 

 decurrent on the stem, forming well-developed ridges ; calyx- 

 tube 3-4 cm. long and longer than the sepals, perfectly gla- 

 brous, as also are the sepals, the tips of the latter free, 

 spreading, often 3-4 cm. long ; petals bright yellow, obcordate, 

 crenulate, 3-4 cm. long, so that the open flower is often 6-8 

 cm. across ; capsules perfectly glabrous, 2-3 cm. long, sessile, 

 gradually tapering upward from the broad base and often 

 strongly curved, somewhat quadrangular, strongly ribbed ; 

 seeds angled, 1-1.5 mm - l n g- 



Open sunny clay banks and along rivers, in loose, rocky 

 soil. Greenbrier : near White Sulphur Springs, August 27, 

 1903 (Mackenzie 373). 



KNEIFFIA Spach. 



K. PUMILA (L.) Spach. (Oenothera pumila L.). 



Dry fields, frequent throughout the State, especially in the 

 northern section. Hardy: near Moorefield (Gamble). Ran- 

 dolph: near Pickens (H. H. Smith 1387). 



K. FRUTICOSA (L.) Raim. Sun-drops. "Wild Beet." (Oenothera 

 fruticosa L.). 



Common in most soils, and in cultivated fields as a weed. 



Summers : near Talcott and Lowell. Marion : near Worth- 



ington. Gilmer: near Glenville (Map el). Fayette: near 



Nuttallburg (Nuttall). 



K. FRUTICOSA DIFFERTA (Millsp. Prel. Cat. Fl. W. Va., 366( 1892) . 



Damp meadows, Wood County, near Lockhart's Run, the 

 most common form. 



Stems I to 2 ft. high, nearly smooth, branching diffusely 

 from every axil. Flowers profuse, large. Lower leaves 

 ovate. Capsules narrowly winged, very short ; apical inflores- 

 cence strongly cymose. 



