LEGUMINOSiE. , 187 



a. leaflets broad. 



p. angustifolium. Leaflets usuaJly single, most of tliem lanceolate-linear or lanceolate; 

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

 leaflets. 



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

 (o, j8) ; S. Vincent I, Ouild. ; Trinidad I, O. ; [Cuba ! and Mexico 1 to Brazil !, trop. Africa, 

 East Indies !]. 



50*. D. g^angeticum, DC. Virgate ; branches angular, hispidulous-pubescent ; leaflets 

 single, ovate, costate-veiny, glaucous-scabrous beneath : stipules distinct ; lomeatum aut- 

 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, D(7. 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. 270-273. — Kacemes elongated: flowers crowded, small. — 

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



52. D. cajauifolium, JD(7. Virgate ; branches cylindrical, scabrous-pubescent ; leaflets 

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

 liquely subulate, -dficidnous ; 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. — ^Hedysarum, Kth. D. laburnifolium, Sieb. Tr. 82. 

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

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

 Bolivia I]. 

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

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

 arcuate : suture slightly notched, dorsal margin si?iuate to or beyond the middle : joints 

 10-3, deltoid-semioval. — Jacq., Schcenbr. 3. t. 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 purpMsh-blne, 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, DO. Creeping, rooting ; branches procumbent or ascending ; leaflets 

 3, ovate (or lanceolate) j lomentum long-stipitate, unciuate-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. reptans, DC. D. radicans, Maef. 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, WuUschl., common in shady places ; S. Kitts !, Dominica !, Imr. ; Trinidad 1, Lochh. ; 

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



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

 narrow, central: joints reticulated, z«<?etoceK^.^Stipules usually auricled-subulate ; 

 flowers racemose. 



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

 oval or oblong : stipules subulate, oblique at the base ; lomentum subsessile, unciuate-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, Pcepp. 

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

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

 Ecuador 1, Peru 1 ; Society Islands !]. 



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

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

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

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



