ORDER 46. LEGUMINOS^E. 309 



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

 about 5-jointed. 



13 D. sessilifolinm Torr. & Gr. St. erect, tomentous-pubescent ; Ivs. sessile, 

 Ifts. linear or linear-oblong, obtuse at each end, scabrous above, softly tomentous be- 

 neath; slip, subulate ; pan. of spicate racemes, very long; bracts, minute; leg. 

 small, hispid, of 2 to 3 semi-orbicular joints. Woods, the W. States and Tex. St. 

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



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

 slip, subulate; rac. panicled; joints of the loment 3, rhomboidal, reticulate, a little 

 hairy, connected by a narrow neck. Moist soils, ST. 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. Marilandicum DC.) 



15 D. rigidum DC. Erect, branching, scabrous, pubescent; Ifts. ovate-oblong, 

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

 ate, caducous, rac. paniculate, very long; leg. with 2 to 3 obliquely oval 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, | as wide, rather coriaceous, 

 reticulate-veined. Fls. violet-purple. Aug. 



16 D. ciliare DC. Erect, slender, scabrous-pubescent; Ivs. crowded, on short 

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

 margin ; slip, filiform, caducou^ ; pan. terminal, lower branches much longer ; 

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

 Woods, N. Eng. to La. Higlit 2f. Fls. purple. Aug. 



17 D. Marilandicum Boott. Erect, branching, hairy; Ifts. ovate, obtuse, sub- 

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

 minal ; loment stipe as long as calyx, joints 1 or 2, obliquely obovate. Woods, N. 

 States to Fla, 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; 

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

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

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

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



19 D. strictum DC. Erect, slender, nearly glabrous ; Ivs. petiolate ; Ifts. linear, 

 elongated, coriaceous and reticulately veined, mucronate; stip. subulate; pan. 

 slender, few-flowered ; leg. hispid, incurved, of 1 to 3 lunately 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. Fls. small, purple, on slender pedicels. Aug. (D. 

 tenuifolium T. & G.) 



24. LESPEDE X ZA, MX. (In honor of Lespedez, Governor of Flori- 

 da, who protected Michaux in his travels there.) Calyx 5-parted, bi- 

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

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

 indehiscent, 1-seeded. Genus taken from Hedysarum. 14- Lvs. pal- 

 niateiy trifoliate, reticulately veined. 



Flo'wvrs all complete. Calyx villous, Ions. Cor. whitish with a purple spot Nos. 1, 3 



Fls. partly apctalous. Calyx short. Corolla violet Stems upright Nos. 8,4 



Steins prostrate No. ft 



1 L. capitata MX. Busn CLOVER. Lfts. elliptical, silky beneath; stip. subulate; 

 fasciclts of fls. ovate, subcapitate, 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 Ifts. Lfts. 1 1o \\' by 3 to 6", nearly smooth 

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



j3. ANGUSTIFOLIA Ph. Lfts. linear, smooth above. (L. angustifolia Ell.) 



2 L. hirta Ell. St. villous; Z/te. roundish oval, pubescent beneath; rac. capitate, 

 axillary, oblong, longer tfian the leaves; cor. and loment about as long as the 



