ORDER 43. LEGUMINOS^. 87 



Si/mpressed, of 2 5 roundish joints. U Lvs. palmately 2-4-foliale 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. 



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



19. .ffiSCHYNOMENE, L. (Atexvrojuai, to be modest; alluding to 

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

 tritid. Vex. roundish. Stamens diadelphous, 5 in each set, Podexserted, 

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

 nule. Stip. semisagittate. Rac. axillary (yellow). August. 



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



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



2 JE. viscidula MX. Slender, procumbent, viscidly pubescent; Ifts. 7 11, obovate; 



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



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

 " Flora of the Southern States.") Fls. nearly as in Stj^losanthes. 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 

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



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



21. STYLOSANTHES, Swartz. (2rvXo$, a style, axSo?.) Fls. of 

 two kinds. $ Calyx bibracteolate at base, the tube slender and stalk-like, 

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

 delphous. Ov. sterile, with a filiform style. 9 Cal. and corolla 0. Ov. 

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

 style. Lvs. pinnately trifoliate. 



S. elatior Swartz. Pencil Flower. St. pubescent on one side ; Ifts. lanceolate, smooth, 

 acute ; spikes 3-4-flowered ; loment 1-seeded (lower joint abortive). 2f Dry, gravelly 

 woods, Long lei. to Fla. If. Fls. yellow. July, August. 



22. ARACHIS, Willd. PEANUT. (Lat, aracos, 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. liypojjti'a Willd. Leaflets 2 paire, 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. Loment somewhat terete, jointed. 

 Seeds mostly cj'lindrical. ^ if Lvs. unequally pinnate. Fls. in simple, 

 pedunculate umbels, rose-colored. 



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



the petals thrice longer than the calyx. France. 3f. May. 



2 C. VABIA. Herbaceous ; Ifts. 1119, oblong ; ped. 10-15-flwd. Ear. 2 4f. Jl. Sept. 



24. HEDYSARUM. L. ('HdvS, sweet, a papa, smell.) Calyx cleft 

 Into 6 linear-subulate, subequal segments. Keel obliquely truncate, longer 



