622 



LEGUMINOSAE (^PULSE FAMILY^ 



lanceolate or ovate-lanceolate, obtuse, with numer« 

 ous straightish veins, much longer than the petiole^ 

 ^.1-l.b cm. long ; flowers showy, larger than in any 

 of our otiier species, 8-12 mm. long. {Meihomia 

 Ktze.) — Open woods and banks of streams, N. B. 

 to N. C, L. Winnipeg, Kan., and Okla. Fig. 797. 



16. D. sessilifblium (Torr.) T. &G. Stem pubes- 



cent, 6-12 dm. high; leaves nearly sessile; leaflets 



linear or linear-oblong, blunt, thickish, reticulated, 



, rough above, downy beneath ; branches of the 



• -caoa ense. panicle long; flowers small. (Meibomia Ktze.) — 



Sandy soil, s. e. Mass. to Pa. ; and from O. and Mich, to 111., s. to Miss. 



and Tex. 



+- ^- Stems ascending, 3-9 dm. high ; bracts small ; racemes or panicles elon- 

 gated and toosely flowered ; flowers smalL 



17. D. rigidum (Ell.) 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. (Meibomia Ktze.) — Dry hillsides, s. N. H. 

 and e. Mass. to Fla., Mich., Neb., and La. Fig. 798. 



18. D. obtusum (Muhl.) 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, 1.2-2.5 cm. long. (D. ciliare DC. ; Meibomia 

 obtusa Vail.) — Dry hills and sandy fields, Mass. to Fla., w. to 

 Ont., Mich., Mo., and Tex. 



19. D. marilandicum (L.) DC. 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. {Meibomia 

 Ktze.) — Copses, Mass. to Fla., w. to Minn., Mo., and La. 



■<- f- -t- Stems reclining or prostrate ; racemes loosely flowered. 



798. D. rigidum. 



26. D. lineatum (Michx.) DC. Stem minutely pubescent, 

 striate-angled ; leaflets orbicular, smoothish, 1-2.5 cm. long, 



799 D lineatum °^^^ch longer than the petiole ; pod scarcely stalked in the calyx. 

 {Meibomia arenicola Vail.) — Dry soil, Md. and Va. to Fla. and 



La. ; also (?) Erie Co., O. {Moseley). Fig. 799. 



39. LESPEDEZA 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 piiinately 3-foliolate leaves, not stipellate. Flowers often polyga- 

 mous, in summer and autumn. (Dedicated to Lespedez, the Spanish governor of 

 Florida in the time of Michaux.) 



o. Stipules subulate-setaceous; bracts minute; calyx-lobes attenuate; 

 perennials h. 

 b. Flowers of 2 kinds; the larger (violet-purple) perfect but seldom 

 fruitful, racemose or panicled ; the smaller pistillate and fertile 

 but mostly apetalous, in small sessile clusters or intermixed with 

 the others c. 

 C. Petaliferous flowers 1-6, on elongate filiform peduncles, which are 

 mostly 2-4 times as long as their subtending leaves. 



Stems soft-downy with short spreading hairs 1. L. procumbens. 



Stems glabrate or sparingly appressed-pubescent. 

 Stems prostrate or trailing ; stipules mostly 2-4.5 mm. long . 2. L. repens. 

 Stems upright ; stipules mostly 5-8 mm. long . . . . 3. Z. violacea. 

 C Petaliferous flowers few-many ; peduncles stouter, some or all of 

 them shorter than the leaves d. 

 d. Many of the peduncles elongate and exceeding their subtending 

 leaves. 



