198 LEGUMlNO&ffi. 



38. DIOCLEA, Kth. 



Calyx campanulate, 4-fid, sericeous inside. Standard roundish, auricled at the base. 

 Vexillar stamen adhering to the column above its base. Stigma terminal. Legume sessile, 

 compressed or turgid, filled with cellular tissue. — Twining shrubs ; leaflets 3, stipellate ; in- 

 florescence axillary, fascicled-racemose : flowers purplish, blue, or whitish. 



105. D. g-uianensis, Benth. ! Leaflets elliptical, pointleted, glabrate above, velvety 

 or sericeous beneath ; racemes elongated : bracts erect, caducous ; calyx much longer than 

 its pedicel and the small roundish bracteoles : lobes ovate-lanceolate, pointed: the superior 

 as long as the tube, the inferior longer ; standard orbicular, reflexed : keel straightish, blunt, 

 exceeded a little by the wings, minutely crenulate below ; anthers all fertile ; legume 5-8- 

 seeded, velvety, bicostate along the suture : seeds couipressed, half-surrounded by the rhaphe. 

 — Dolichos comosus, Mey.l Mucuna,_DC. D. panainensis, Walp.l: the velvety form. — Corolla 

 purplish : standard 10"'-12'" long ; legume compressed, 4"-3" long, 6'" broad, oblong, 

 tapering at the base: seeds brown, oval-roundish, 4'" long. — Hab. Trinidad!, Lane, Sch., 

 Cr. ; [Panama ! to Ecuador ! ; Guiana!]. 



106. D. reflexa, T. Hook. Leaflets large," ovate-roundish, mucronate, pubescent be- 

 neath ; racemes elongated : bracts long, lanceolate, reflex ed ; calyx rusty-pubescent, much 

 longer than its pedicel and the small roundish bracteoles : inferior lobe ovate-lanceolate, 

 blunt, as long as the tube, the other shorter; standard orbicular, reflexed: keel much ex- 

 ceeded by the wings, incurved, with a blunt beak; anthers 5, sterile; " legume ovate-oblong, 

 few-seeded." — A high, stout, rusty-hairy climber; leaflets 6"-4" long; corolla 8'" long. — 

 Hab. Jamaica!, Wils., uncommon, [central America to Brazil; Niger; East Indies]. 



39. MUCUNA, Ad. 



Calyx shortly campanulate, 4-fid or 4-toothed. Standard conduplicate, tapering abov , 

 auricled at the base, usually exceeded by the wings : keel cartilagineous at the top ! Stamens 

 diadelphous : anthers alternately unequal. Stigma terminal. Legume thick, leathery, us- 

 ually covered with stinging hairs. — Twining herbs or shrubs ; leaflets 3 ; peduncles long, 

 of ten pendulous ; flowers large, fascicled-racemose or fascicled. 



107. M. prnriens, DC. Leaflets subsericeous beneath, the terminal rhomboid, the 

 lateral very obliquely deltoid ; racemes elongated ; calyx 4-fid : the superior lobe broadly 

 deltoid ; standard ovate, half as long as the wings : keel with a shortly exserted, cartila- 

 ginous beak ; legumi devoid of transverse crests, oblong-linear, curved, densely covered 

 with brown, brittle hairs. — Br. Jam. t. 31. f. 4 : analyt. Jacq. Amer. Pict. t. 188. J)esc. 

 II. 1. t. 49. Mart. Bras. 24. t. 46./. '2— Dolichos, X.— Corolla dark-blue or purple, 15"'- 

 18'" long : standard pale in Jacquin's figure. — Hab. Jamaica!, Dist., Wullschl., common; 

 Caribbean Islands ! ; [all tropical countries], 



108. M. urens, DC. Leaflets sericeous beneath, the terminal ovate, the lateral ob- 

 lique ; flowers fascicled ; inferior calyx-lobe lanceolate, as long as its tube, superior shorter, 

 deltoid ; standard ovate-lanceolate, half as long as the wings : keel with a shortly exserted, 

 cartilaginous beak ; legume with numerous, transverse, foliaceous crests, compressed, oblong, 

 hirsute.— Jacq. Amer. Pict. 1. 189. Tuss. Fl. 2. 1. 13.— Dolichos, L. Negretia, Tuss.— Corolla 

 yellow, 2" long. Hab. Jamaica! A I., Wullschl., uncommon; Caribbean Islands ! ; [Cuba 

 and Panama ! to Peru ! and Brazil Q. 



109. M. altissima, DC. Leaflets glabrous, elliptical, pointleted ; racemes short, Ion g- 

 peduncled ; calyx sericeous, four-toothed : the three superior teeth small or obsolete, the 

 inferior longer ; standard ovate-oblong, nearly as long as the wings ; beak of the keel car- 

 tilaginous, bluntish, equalling the wings ; legume with numerous, transverse, convex lines, 

 compressed, spathulate, oblong, hirsute. — Jacq. Amer. Pict. 1. 190. — Dolichos, Jacq. —Corolla 

 18"' long : standard and wings blue or purple, keel greenish-yellow ; legume 6" long, 1-J" 

 broad below its pointed top, callous on the margins, rusty-hirsnte : seeds orbicular, com- 

 pressed, 8"'-10'" diam.; almost wholly surrounded by the rhaphe*-HAB. Jamaiea !, Wils., 

 rare, in mountain-woods, Mauchioneal; [French islands ; Panama ! Brazil !]. 



