ORDER 43. LEGUMINOSJB. 87 



compressed, of 2- -5 roundish joints. It Lvs. palmately 2-4-foliate with 



sagittate stip., which are enlarged above and supply the place of bracts. 



Z. tetrapliylla MX. Lfts. 4; stip. or bracts oval, acute : pod aculeate, about 3-jointed. 



U N. Car. to Fla. and Tex. 1 2f. Deep yellow. Pods adhesive. June Aug. 



19. JESCHYNOMENE, L. (AlGxvvonai, to be modest; alluding to 

 its sensitive property.) Calyx bilabiate, bibracteolate ; upper lip bifid, lower 

 trifid. Vex. roundish. Stamens diadelphous, 5 in each set. Pod exserted, 

 composed of several truncated, separable, 1-seeded joints. Lvs. odd-pin- 

 n-ite. Stip. semisagittate. Rac. axillary (yellow). August. 



1 2E. liispida Willd. Erect, scabrous; Ifts. very smooth, 2737, oblong-Jincar, ob- 



tuse ; rac. 3-5-flowered ; pod 6-9-jointed. Marshes, Pa. and S. 2 3f. 



2 JE. vlscidula MX. Slender, procumbent, viscidly pubescent ; Ifts. 711, obovate; 



ped. filiform, 1 or 2-flowered ; pod 2 or 3-jointed. Sandy fields, S. 



20. CHAPMANIA, T. & G. (To A. W. Chapman, M. D., author ol 

 " Flora of the Southern States.") Fls. nearly as hi Stylosanthes. Cor. in- 

 serted on the throat of the calyx. Keel 2-cleft at apex. Anth. alike, ob- 

 long. Leg. hispid, 1-2-jointed. A viscid-hirsute branching herb. Leaves 

 phmately 3-7-foliate. Fls. small, yellow, in terminal racemes. 



C. Floridana T. & G. E. Fla. 2 3f. Lfts. oblong. 



21. STYLOSANTHES, Swartz. (^rvXoS, a style, av$o$.} Fls. of 

 two kinds. <J Calyx bibracteolate at base, the tube slender and 'stalk-like, 

 with the corolla insertei on its throat. Vex. orbicular. Sta. 10, mona- 

 delphous. Ov. sterile, with a filiform style. ? Cal. and corolla 0. Ov. 

 between 2 bracteoles. Leg. 1-2-jointed, uncinate with the short, persistent 

 style. Lvs. pinnately trifoliate. 



S. claticr Swart/. Peticil Floiver. St. pubescent on one side ; Ifts. lanceolate, smooth, 

 acute ; spikes 3 i-flowcred : loment 1-seeded (lower joint abortive), if Dry, gravelly 

 woods-, Long Isl. to Fla. If. Fls. yellow. July, August. 



22. ARACHIS, Willd. PEANUT. (Lat. amcos, used by Pliny to 

 designate some subterranean plant.) Calyx bilabiate. Cor. resupinate. 

 St. monadelphous. Pod gibbous at base, coriaceous, veiny, turgid, and in- 

 dehiscent, the joints not separating. S. American herbs, with equally pin- 

 nate leaves and yellow flowers. 



A* hypogsea Willd. Leaflets 2 pairs, oval or roundish, cuneate at base ; stip. entire, 

 lance-subulate, as long as the leaflets ; fruit subterranean. Cult. South. 



23. CORONILLA, L. (Lat, corona, a crown ; from the inflorescence.) 

 Calyx bilabiate. Petals unguiculate. Lomeut somewhat terete, jointed. 

 Seeds mostly cylindrical. J)l Lvs. unequally pinnate. Fls. in simple, 

 pedunculate umbels, roso-colored. 



1 C. EMEKfs. Scorpion Senna. St. woody, angular; ped. about 3-flowered; claws if 



the petals thrice longer than the calyx. France. 8f. May. 

 C. VARIA. Herbaceous; Ifts. 11 1!>, oblong; ped. 10-15-flwd. Eur. 2 If. Jl. Sept. 



24. HEDYSARUM. L. ('HdvS, sweet, apv/j<x, smell.) Calyx cleft 

 into 5 linear-subulate, subequal segments. Keel obliquely truncate, ionger 



