16. D. sessilifòlium, Torr. & Gray. Stem pubescent (2--4° high); _leaves nearly sessile; leaflets linear_ or linear-oblong, blunt, thickish, reticulated, rough above, downy beneath; branches of the panicle long; _flowers small_.--Copses, Penn. and Ky., west to Mich., Iowa, Mo., and Tex. [+][+] _Stems ascending (1--3° high); bracts small; racemes or panicles elongated and loosely flowered; flowers small._ 17. D. rígidum, DC. Stem branching, _somewhat hoary_, like the lower surface of the leaves, with a close roughish pubescence; _leaflets ovate-oblong_, blunt, thickish, reticulated-veiny, rather rough above, _the lateral ones longer than the petiole_.--Dry hillsides, Mass. to Fla., west to Mich., Mo., and La. 18. D. ciliàre, DC. Stem slender, _hairy or rough-pubescent; leaves crowded, on very short hairy petioles; leaflets round-ovate or oval_, thickish, more or less hairy on the margins and underneath (½--1´ long).--Dry hills and sandy fields, N. Eng. to Fla., west to Mich., Mo., and Tex. 19. D. Marilándicum, F. Boott. _Nearly smooth_ throughout, slender; _leaflets ovate or roundish_, very obtuse, thin, _the lateral ones about the length of the slender petiole_; otherwise resembling the preceding.--Copses, N. Eng. to Fla., west to Mich., Mo., and La. [+][+][+] _Stems reclining or prostrate; racemes loosely flowered._ 20. D. lineàtum, DC. Stem minutely pubescent, striate-angled; leaflets orbicular, smoothish (½--1´ long), much longer than the petiole; pod scarcely stalked in the calyx.--Dry soil, Md. and Va. to Fla. and La. 28. LESPEDÈZA, Michx. BUSH-CLOVER. Calyx 5-cleft; the lobes nearly equal, slender. Stamens diadelphous (9 and 1); anthers all alike. Pods of a single 1-seeded joint (sometimes 2 jointed, with the lower joint empty and stalk-like), oval or roundish, flat, reticulated.--Herbs with pinnately 3-foliolate leaves, not stipellate. Flowers often polygamous, in summer and autumn. (Dedicated to _Lespedez_, the Spanish governor of Florida in the time of Michaux.) § 1. _Stipules subulate-setaceous; bracts minute; calyx-lobes attenuate; perennial._ [*] _Flowers of two sorts, the larger (violet-purple) perfect, but seldom fruitful, panicled or clustered; with smaller pistillate and fertile but mostly apetalous ones intermixed or in small subsessile clusters; calyx 1--2´´ long; pod exserted._ 1. L. procúmbens, Michx. _Slender, trailing and prostrate_, minutely appressed-hairy to soft-downy; leaflets oval or obovate-elliptical, 3--9´´ long; _peduncles very slender, few-flowered_; keel equalling the wings; pod small, roundish, obtuse or acute. (Incl. L. repens, _Bart._)--Dry sandy soil; common.