PAPILIONACEJE. 69 



Legume inflated, l-celled. Flowers in axillary racemes, her- 

 baceous. 



1. 1*. Vrnr-osA. A small hairy plant, procumbent. Leaves unequally pin- 

 nn - 9-17 oval, oblotii,', peiiolate, raihor distant. Floutm* on pe- 



ji; us long us the leaves, •'•lusicred near th« summit, 8-*20. Seg- 



■wTi/x ot the calyx acuir, lon«:, bracts lanceolate-subulate- Legumes riWous, 

 sessile, inflated. Seeds small, few.. 



Yellow. 0. April — May. On the coast. 



Gemts XXIX. ZORNIA. 



Calyx bilabiate, upper lip emarrjinatc, the lower S-cleft. 

 Petals inserted into the calyx, ve-\illiim broad-cordate, revo- 

 lute; keel petals colierinn^. Stameiif! monadelphoiis, alter- 

 nately shorter; antht'rs alternately oblong and globose. — 

 Le^imc jointed, hispid, 4-5 joints. Perennial herbaceous 

 plants. Leaves digitate, petioled, stipulate. Flowers with 

 2 bracts. 



1. Z. Tetrafhtlla. Sinn prostrate, branching, diffuse. Leaflets 4, lan- 

 ceolate, glabrous. Flnwers in loiiij spikes 5-9 flowered, alternate ; bracts 

 ovate, 5-nerved ; upj)er segments of the calyx broad, emarginate, all the seg- 

 ments ciliate; vexillum broad, reniform ; wings broadly ovate as long as the 

 vexilhim ; keel short. legume 2-4 jointed, joints nearly round. 

 Yellow. %. July. "Sandy lands. 1-2 ft. long. 



Genus XXX. STYLOSANTHES. 



Calyx tubular, somewhat bilabiate, with two lanceolate 

 bracts at the base. Corolla inserted into the calyx ; vexil- 

 lum broad; keel small. Stamens monadelphous. Anthers 

 altern\itoly linear and ovate. Style short and recurved. — 

 Legume \-2 joi tiled, hooked. 



1. S. Elatior. .S/<'m erect, pubescent on one side. Z^avcs pinnate ; leaf- 

 lets 3, lanceohiie glabrous, entire. Leaves around the capitiilum simple, lan- 

 ceolate. Flou'tTs. in a terminal compact capitiilum, all sterile but 2. Calyx 

 with ihe upper lip 2-clefr, the lower 3-cleft. Legume hooked at the summit, 

 1-cellcd. Sterile flowers furnished with 2 plumose lanceolate bracts. 

 Yellow. %. May— Aug. Common. 10-15 inches. 



Genus XXXI. ^SCHYNOMENE. 



Calyx bilabiate, the upper lip bifid : the lower S-cIeft. — \ 



Corolla inserted into the hase ot' the calyx. Vexilllum near- 

 ly round ; wings oblong; keel cymbiform. Stamens 10, di- * 

 adelphoiis, 5 in each division. Legume compressed, straight, 

 generally composed of many 1-seeded joints ; joints truncate, 

 easily separated. »Scf?r/5 compressed ; annual plants. Leaves 

 unequally pinnate. Flowers in axillary racemes. 



1. JE. Ilt'H'mA. S^<»m erect, hispid, tubercled. I^nvex in many pairs, 20- 

 ' *'" :flets linear, obtuse ; sti[)i]Ies sub-sagittate, ovale. 



, „.., 20- 



*5 *'"' :flets linear, obtuse ; sti[)ules sub-sagittr..., „ 



Flower -; calyx bilabiate deeply divided, the upper lip bi- 



