ORDER XLIII. LEGUMINOUS. 



bracts small. Calyx with the lower segment longest. Legume with 2 

 — 4 joints, hispid, nearly rhoniboidal. — Purple. 2£. Sept. — Oct On 

 the coast of Car. and Geo. 2 — 3 feet. 



- 7. D. glabel'lum, (D. C.) Stem erect, nearly glabrous. Leaves ter- 

 nate ; leaflets small, ovate, obtuse, pubescent on both surfaces. Flow 

 ers in terminal, leafy panicles. Calyx with the upper lip entire. Le- 

 gume with 3 — 5 reticulated, rhomboidal, hispid joints. — Purple. 2(. 

 Aug. — Sept. Common in shady places. 2 — 3 feet. 



8. D. obtu'sum, (D. C.) Stem erect, branching, hairy toward the sum- 

 mit, glabrous below. Leaves ternate ; leaflets small, ovate, obtuse, 

 often slightly cordate. Flowers in terminal, elongated, erect panicles ; 

 upper lip of the calyx emarginate, the lower lanceolate. Legume with 

 2 — 3 hispid, nearly orbicular, reticulate joints. — Purple. If. Sept. — - 

 Oct. In dry soils. Common. 2 — 3 feet 0. D. Marilandium, Boott. 



9. D. cilia're, (D. C.) Stem erect, pubescent. Leaves ternate, on 

 short, hairy petioles ; leaflets small, ovate, pubescent underneath, cili- 

 ate, somewhat coriaceous. Flowers in a terminal, racemose panicle 

 Calyx hairy, upper lip shortest, mostly entire. Legumes with 2 — 3 

 nearly round, reticulate joints. — Purple. If. Sept. — Oct. In sandy 

 soils. 2—3 feet. 



10. D. rig'idum, (D. C.) Stem erect, much branched, with rigid pu- 

 bescence toward the summit, striate. Leaves ternate ; leaflets oblong- 

 ovate, obtuse, ciliate, hairy underneath; petioles hairy. Flowers 

 small, in long, erect, paniculate racemes. Calyx with acute segments. 

 Legumes with 2 — 3 hispid joints. — Purple. 2£. Aug. — Sept. In dry 

 soils. Common. 2 — 3 feet. 



11. D. steic'tum, (D. C.) Stem erect, generally simple, or branching 

 toward the summit, slender, pubescent, or glabrous. Leaves ternate ; 

 leaflets linear, elongated, coriaceous, reticulate, glabrous, or slightly 

 pubescent. Flowers in terminal or axillary racemes, few-flowered, on 

 slender pedicels; upper lip of the calyx emarginate, shorter than the 

 lower. Legume 1 — 2 -jointed ; joints semi-obovate, hispid. — Purple, green 

 at the base. If. Aug. — Sept. In pine-barrens. 3 — 4 feet 



12. D. panicula'tum, (D. C.) Stem erect, furrowed, slender, hairy 

 toward the summit. Leaves ternate ; leaflets oblong-lanceolate or lin- 

 ear-lanceolate or oval, slightly hairy, and paler beneath ; margins rev- 

 olute. Flowers in paniculate racemes, with long, slender pedicels ; 

 upper lip of the calyx emarginate, much shorter than the lower. Le- 

 gume usually 5-jointed, pubescent; joints somewhat triangular. — Pur- 

 ple. 2£. Aug.— Sept. Common. 2 — 3 feet 



13. D. rotundifo'lium, (D. C.) Stem angular, prostrate, hirsute, 

 branching, geniculate. Leaves ternate ; leaflets large, orbicular, pubes- 

 cent, ciliate. Floioers in axillary, paniculate racemes. Calyx nearly 

 equally 4-cleft. Legumes hispid, with 3 — 5 rhomboidal joints, hispid. — 

 Pale purple or nearly white. If. Aug. — Sept. In dry soils. Common. 

 2—4 feet. 



14. D. linea'tum, (D. C.) Stem creeping, angled, striate. Leaves 

 ternate, on very short petioles ; leaflets nearly round, small, almost 

 glabrous ; stipules persistent, subulate. Flowers in loose, terminal, 

 elongated panicles ; upper lip of the calyx 2-cleft, lower one 3-cleft, 

 with the middle segment longest Legumes sessile, hispid, generally 

 with 3 joints, which are nearly orbicular. — Pale purple. H. Aug. — 

 Sept Near Culloden, Geo. 6 — 15 inches 



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