Mar., 1915.] 
Onagraceae of Ohio. 
467 
2. Kneiffia pumila (L.) Spach. Small Sundrops. Erect 
puberulent herbs, leaves oblanceolate to oblong; flowers, yellow, 
in terminal, leafy-bracted, spikes; capsules clavate, sessile or 
short stalked. Franklin, Ashtabula, Cuyahoga, Madison, Car- 
roll, Washington. 
3. Kneiffia fructicosa (L.) Raim. Common Sundrops. Erect 
pubescent herbs; leaves lanceolate to ovate, denticulate or nearly 
entire; capsule sessile or short stalked, oblong with prominent 
wings. Fairfield, Lake, Jackson, Wayne, Lucas, Muskingum, 
Trumbull, Cuyahoga, Belmont, Carroll, Stark, Portage, Crawford, 
Harrison, Hocking, Clarke, Lorain, Summit, Richland. 
8 . Hartmannia Spach. 
Annual or perennial, erect or decumbent herbs with alternate 
pinnatifid or lyrate leaves; flowers in terminal spikes or racemes, 
drooping in the bud, white, purple or red; sepals 4, deciduous, 
petals 4, large; stamens 8; ovulary with 4 cavities; capsules 
clavate, 4 winged. 
1. Hartmannia speciosa (Nutt.) Small. White Evening- 
primrose. More or less branched puberulent herbs, J^-3ft. tall; 
leaves lanceolate, pinnatifid or sinuate, 1-2 in. long, flowers 
white or pink, 2 in. broad; capsules in. long. Franklin 
County. 
9. Lavauxia Spach. 
Low herbs usually acaulescent sometimes with a short stem, 
basal leaves pinnatifid; flowers bisporangiate, white, pink, or 
pale yellow; sepals and petals 4; stamens 8; ovulary 4-angled, 
stigma 4-cleft; capsules sometimes winged above. 
1. Lavauxia triloba (Nutt.) Spach. Three-lobed Evening- 
primrose. Perennial, nearly glabrous herbs; leaves, petioled 
pinnatifid or sinuate, oblong lanceolate, 1-8 in. long; flowers 
pink or white; hypanthium slender, 2-4 in. long; capsule as wide 
as long, about in. long. Montgomery County. 
10. Gaura L. 
Annual, biennial, or perennial herbs, rather woody at the base, 
leaves, alternate, sessile; flowers bisporangiate, white, pink or red, 
in terminal spikes or racemes; hypanthium prolonged beyond the 
ovulary deciduous, sepals 4; petals 4 (sometimes 3); stamens 8; 
stigma 4 lobed; fruit resembling a nut, ribbed or angled, indehis- 
cent. 
1. Gaura biennis L. Biennial Gaura. Erect hairy or softly 
pubescent herbs, 2-5 ft. tall with lanceolate, acute or acuminate 
leaves; flowers white, turning pink, in long slender spikes; fruit 
sessile, %-% in. long, 4-angled. Stark, Paulding, Montgomery, 
