2. P. cándidus, Michx. Smooth; leaflets 7–9, lanceolate or linear-oblong; heads oblong, when old cylindrical; bracts awned, longer than the nearly glabrous calyx; corolla white.—With n. 1.
3. P. villòsus, Nutt. Soft-downy or silky all over; leaflets 13–17, linear or oblong, small (4–5´´ long); spikes cylindrical (1–5´ long), short-peduncled, soft-villous; corolla rose-color.—Wisc. to Mo., west to the Rocky Mts.
4. P. foliòsus, Gray. Smooth, very leafy; leaflets 15–29, linear-oblong; spikes cylindrical, short-peduncled; bracts slender-awned from a lanceolate base, exceeding the glabrous calyx; petals rose-color.—River-banks, Ill. and Tenn.
5. P. multiflòrus, Nutt. Glabrous throughout, erect, branching; leaflets 3–9, linear to oblong; spikes globose, the subulate setaceous bracts much shorter than the acutely toothed calyx, petals white.—Kan. to Tex.
17. TEPHRÒSIA, Pers. Hoary Pea.
Calyx about equally 5-cleft. Standard roundish, usually silky outside, turned back, scarcely longer than the coherent wings and keel. Stamens monadelphous or diadelphous. Pod linear, flat, several seeded, 2-valved.—Hoary perennial herbs, with odd-pinnate leaves, and white or purplish racemed flowers. Leaflets mucronate, veiny. (Name from τεφρός, ash-colored or hoary.)
1. T. Virginiàna, Pers. (Goat's Rue. Catgut.) Silky-villous with whitish hairs when young; stem erect and simple (1–2° high), leafy to the top; leaflets 17–29, linear-oblong; flowers large and numerous, clustered in a terminal oblong dense raceme or panicle, yellowish-white marked with purple.—Dry sandy soil. June, July.—Roots long and slender, very tough.
2. T. spicàta, Torr. & Gray. Villous with rusty hairs; stems branched below, straggling or ascending (2° long), few-leaved; leaflets 9–15, obovate or oblong-wedge-shaped, often notched; flowers few, in a loose and interrupted very long-peduncled spike, reddish.—Dry soil, from Del. and Va. to Fla. and Miss. July.
3. T. hispídula, Pers. Hairy with some long and rusty or only minute and appressed pubescence; stems slender (9–24´ long), divergently branched, straggling; leaflets 5–15, oblong, varying to obovate-wedge-shaped and oblanceolate; peduncles longer than the leaves, 2–4-flowered, flowers reddish-purple.—Dry sandy soil, Va. to Fla. and Ala.
18. INDIGÒFERA, L. Indigo.