This section is from the book "An Illustrated Flora Of The Northern United States, Canada And The British Possessions Vol2", by Nathaniel Lord Britton, Addison Brown. Also available from Amazon: An Illustrated Flora of the Northern United States, Canada and the British Possessions. 3 Volume Set..
Silene racemosa Otth in DC. Prodr. 1: 384. 1824.
Annual, erect, branching, pubescent, 1°-2° high. Lower and basal leaves lanceolate or oblanceolate, 2'-3' long, acuminate or acute, tapering into a villous petiole; upper leaves sessile, lanceolate or linear; flowers white, sessile or very short-pedicelled, distant in forking i-sided spikes; calyx cylindric, 6"-8" long, hirsute, much enlarged by the ripening pod, its teeth ovate-lanceolate, acute; petals white, bifid, with a short obtuse crown.
Silene Menziesii Hook. Fl. Bor. Am. 1: 90. pl. 30. 1830.
Perennial, slender, ascending or decumbent, leafy, widely branching, minutely and densely glandular-pubescent, 6'-18' high. Leaves sessile, or the lowest narrowed into a petiole, oval, ovate-lanceolate or slightly oblanceolate, acute or acuminate at each end, minutely ciliate on the margins, 1'-21/2' long; flowers axillary and terminal, numerous, slender-peduncled, white, 4"-5" long; petals 2-cleft, crown-less, longer than the 5-toothed calyx; capsule about the length of the calyx; seeds black, minutely tu-berculate.
In damp soil, Assiniboia to western Nebraska, Missouri, British Columbia, California and New Mexico. June-Aug.