Order 46.— LEGUMINOS^ 309 



in axillary and terminal racemes. Bracts conspicuous before flowering. Pods 

 about 5-jointOd. 



13 D. sesEilifdlium Terr. & Gr. St. erect, tomontous-pubescent ; Ivs. sessile, 

 Ifis. linear or linear-oblong, obtuse at each end, scabrous above, softly tomeniovs le- 

 nmih ; slip, subulate ; pan. of spicato rdtemes, very long ; bracts, minute ; leg, 

 small, hispid, of 2 to 3 serai-orbicular joints. — Woods, tlie W. States and Tex. St. 

 2 to 3f high. Lite, about 2' by i'. Fls. small, numerous and crowded. Aug. 



14 D. Dillenii Darl. Plant erect, branching, hairy ; Ifts. oblong, villous beneath ; 

 r4ip. subulate ; rao. panicled ; joints of the lomcnt 3, rhomboidal,- reticulate, a little 

 liairy, connected by a narrow neclc. — Moist soils, K. and "W". States. St. sulcate, 

 scabrous, 2 to 3f high. Lfts. 2 to 3' by 1 to 2', smooth above. Panicle large, 

 terminal, naked. Fls. purple. Jl. (D. Marilandioum DC.) 



15 D. rfgidum DC. Erect, branching, scabrous, pubescent; Ifts. ovate-oblonp, 

 obtuse, terminal one the longest ; petioles short, hairy ; stip. ovate-acuminate, cili- 

 ato, caducous, rac. paniculate, voiy long; leg. with 2 to 3 obliquely ovcU or semi- 

 obovate joints. — Hills and woods, Mass. to La. St. 2 to 3f high, often with numer- 

 ous long, erect, rigid branches^ Lfts. 1 to 3' long, J as wide, rather coriaceous, 

 reticulatc-veinod. Ms. violet-purple. Aug. 



16 D. cili3.re DC. Erect, slender, scabrous-pubescent; Ivs. crowded, on slwrt 

 hairy petioles; lfts. small, ovate, short-stalked, pubescent beneath, ciliate on the 

 margin; stip. filiform, caducous; paiL terminal, lower branches much longer; 

 joints of the short stiped lament 2 or 3, obliquely roundish, hispid, reticulate. — 

 Woods, N. Eug. to La. Hight 2f Fls. purple. Aug. 



17 D. Marildndiouni Boott Erect, branching, hairy; lfts. ovate, obtuse, sub- 

 cordate at base, the lateral ones as long as the petioles ; slip, subulate ; pan. ter- 

 minal ; lament stype as long as calyx, joints 1 or 2, obliquely obovate. — Woods, N. 

 States to Ela. St. 2 to 3f high. Lfts. 6 to 12" by 4 to 8". Fls. violet-purple, 

 small. Aug. (D. obtusum DC.) 



18 D. lineatum DC. Slender, assurgent ; st. finely striate with colored lines ; 

 lfts. small, roundish oval, smoothish, green both sides ; rac. terminal and lateral, 

 very long and loose ; lommt quite sessile in the calyx, joints about 2, roundish 

 oval. — Dry woods, Can. to Fla. and La. Sts. 2 or 3f long. Lvs. on short stalks ; 

 lfts. 6 to 12" diam., quite obtuse. Fls. and leg. small. 



13 D. striotum DC. Erect, slender, nearly glabrous ; lvs. petiolate ; Ifls. linear, 

 elongated, coriaceous and reticulatoly veined, mucronato ; stip. subulate ; pan. 

 slender, few-flowered ; leg. hispid, incurved, of 1 to 3 Innately triangular joints, 

 with a filiform isthmus, the stipe shorter than, or about as long as the calyx. — 

 Pine barrens, N. J. to Fla. and La. St. about 3f high. Lfts. 2 to 3' by 2 to 3", 

 longer than the petioles. Fla. small, pui-ple, on slender pedicels. Aug. (D. 

 tonuifolium T. & G.) 



24. LESPEDE^ZA, Mx. (In honor of Lespedez, Governor of Flori- 

 da, who {Protected Michaux in his travels there.) Calyx 5-partecl, bi- 

 bracteolatc, segments nearly equal ; keel of the corolla very obtuse, on 

 slender claws ; legume (loment) lenticular, compressed, small, unarmed, 

 indehisccnt, 1-secded. — Genus taken from- Hcdysarum. 4 Lvs. pal- 

 mately trifoliate, reticulately veined. 



§ Flowers nil complete. Calyx villous, long. Cor. whitish with a pnrplo spot Nos. 1, 3 



S Kls. partly apetalous. Calyx short. Corolla violet — Stems upright Nos. 8, 4 



— Stems prostrate Ko. 5 



1 L. capitita Mx. Bdsh Clovek. Lfts. elliptical, silky beneath ; stip. subulate ; 

 fascicles cf fls. ovate, subcapiiate, shorter than the leaves, axillary; loments hairy, 

 shorter than the villous calyx. — An erect, hairy, half shrubby plant, in dry soils, 

 Can. to Car. St. nearly simple, villous, 2 to 4f high. Lvs. numerous, on short 

 petioles, consisting of 3 coriaceous lfts. Lfts. 1 to IJ' by 3 to 6", nearly smooth 

 above, covered with silky pubescence beneath. Aug., Sept (L. frutescens Ell.) 



/3. ANGtrSTiFOLiA Ph. Lfts. linear, smooth above. (L. angustifolia Ell.) 



2 L. hirta Ell. St villous; lfts. roundish oval, pubescent beneath; rac. capitate, 

 axillary, oblong, longer Hum the leaves; oor. and loment about as long as the 



