LEGUMINOSiE. 187 



o. Leaflets broad. 



$. angustifolium. Leaflets usually single, most of them lanceolate-linear or lanceolate. 

 — D. angustifolium, DC. ? The lower leaves present, sometimes broad-elliptical or roundish 

 leaflets. 



Hab. Bahamas !, Swains. ; Jamaica !, all coll., common in pastures ; Antigua !, Wullschl. 

 (a, /S) ; S. Vincent I, Guild. ; Trinidad !, Cr. ; [Cuba ! aud Mexico I to Brazil !, trop. Africa, 

 East Indies !]. 



50*. D. gangeticum, DC. Virgate ; branches angular, hispidulous-pubescent ; leaflets 

 single, ovate, costate-veiny, glaucous-scabrous beneath : stipules distinct ; lomentum sub- 

 sessile : suture slightly notched, dorsal margin sinuate beyond the middle : joints 8-5, 

 semiorbicular. — Wight Ic. 1. t. 271. — 1'-3' high; flowers small, purple or yellowish- 

 white. — Hab. Naturalized in Jamaica !, Wils., common ; [introduced from the East Indies], 



51*. D. latifolium, DC. Virgate; branches subcylindrical, villous; leaflets single, 

 large, broadly ovate, repand, subtomentose beneath : stipules distinct ; lomentum subsessile, 

 pilose : suture continuous or slightly notched, dorsal margin sinuate to the middle : joints, 

 5-3, semioval. — Wight Ic. 1. 1. 270-272. — Racemes elongated : flowers crowded, small. — 

 Hab. Naturalized in S. Vincent !, Guild. ; [introduced from the East Indies ! ; trop. Africa !] . 



52. D. cajanifolium, DC. Virgate ; branches cylindrical, scabrous-pubescent ; leaflets 

 3, ovate-oblong or oblong-lanceolate, glaucous-pubescent beneath: stipules distinct, ob- 

 liquely subulate, deciduous ; lomentum subsessile, with the dissepiments Very narrow : suture 

 slightly notched, dorsal margin sinuate as deep as to the suture : joints 8-5, subdistinct, 

 deltoid-semioval. — Kth. N. Gen. t. 598. — Hedysaram, Kth. D. laburnifolium, Sieb. Tr. 82. 

 (non DC). — 8-10' high ; racemes elongated, at length unilateral : flowers blue.— Hab. Tri- 

 nidad !, Sieb., Lockh., Cr. ; naturalized in Jamaica !, Wils. ; [Mexico ! to Guiana ! and 

 Bolivia!]. . 



53. D. uncinatum, DC. Scandent; stem triquetrous: angles covered with uncinate 

 down ; leaflets 3, ovate-lanceolate or ovate ; lomentum subsessile, uncinate-pubescent, 

 arcuate : suture slightly notched, dorsal margin sinuate to or beyond the middle : joints 

 10-3, deltoid-semioval. — Jacq., Schcenbr. 3. 1. 298. — Hedysarum, Jacq. H. trigonum, Sw. 

 D. trigonum, DC. — Branches adhering to supports by means of the stiff, hooked hairs ; bracts 

 large, ovate, pointed, caducous ; flowers purplish-blue, larger than in the other species : 

 corolla 4" -5"' long. — Hab. Jamaica!, AL, Wils., Lane; common, in hedges of coffee- 

 plantations ; [Sonora to Bolivia, Venezuela ! to Uruguay]. 



54. D. axillare, DC. Creeping, rooting ; branches procumbent or ascending ; leaflets 

 3, ovate (or lanceolate) ; lomentum long-stipitate, uncinate-pubescent, with a single, very 

 narrow dissepiment : suture slightly notched, dorsal margin sinuate as deep as to the suture : 

 joints 2, subdistinct, deltoid-semioval, about as long as the carpophore. — Hedysarum, Sw. 

 D. reptaus, DC. D. radicans, Mac/. D. oblongifolium, DC? — Herbaceous, rarely suffrutes- 

 cent, variable in the down, and form of the leaflets ; racemes lax, usually long-peduncled in 

 the axils of radicant nodes : pedicels geminate ; flowers purple. — Hab. Jamaica !, Dist., Al., 

 March, Wullschl., common in shady places ; S. Kitts !, Dominica !, Imr.; Trinidad !, Lockh. ; 

 Cr. ; [Cuba ! and Mexico ! to Peru 1 and Brazil !]. 



Sect. 4. Chalarium. — Lomentum sinuate equally from both margins : dissepiments 

 narrow, central: joints reticulated, indehiscent. — Stipules usually auricled-subulate ; 

 flowers racemose. 



55. D. scorpiuros, Desv. Procumbent, rooting at the base ; stem angular; leaflets 3, 

 oval or oblong : stipules subulate, oblique at the base ; lomentum subsessile, uncinate-pu- 

 bescent, slightly constricted at the dissepiments, not tortuous : joints 7-2, oval-linear, 

 minutely truncate at both ends, the terminal pointed. — Hedysarum, Sw. D. cinereum, Pa»pp. 

 Cub. Flowers small, whitish, variegated with purple. — Hab. Jamaica !, Dist., Bancr., com- 

 mon in pastures ; Antigua !, Wullschl. ; Dominica !, Imr. ; Trinidad !, Lockh., Cr. ; [Cuba I ; 

 Ecuador !, Perul'; Society Islands!]. 



56. D. asperam, Desv. Virgate ; stem cylindrical ; leaflets 1-3, oblong or ovate, 

 villous beneath : stipules subulate, oblique at the base ; racemes paniculate : pedicels shorter 

 than or as long as the flower; lomentum subsessile, constricted nearly to the centre, some- 

 what tortuous, at length flattened i joints 6-2, orbicular, biconvex— Hedysarum, Pair.— 3'-5 



