90 FABACEAE. 



1. P. cameus Michx. Plants 3-10 dm. tall: leaflets 5-7; blades linear, linear- 

 elliptic, or linear-oblaneeolate. 5-10 mm. long: calyx 3-3.5 mm. long: corolla 

 deep-pink: standard about 4 mm. long; blade oval: blades of the other petals 

 elliptic-oblong to narrowly oblong. — Pinelands. — F. K.^ — Prairie-clovek. 



11, KUHNISTERA Lam. Herbs. Leaflets few or several. Spikes mostly 

 depressed, corymbose, resembling heads of Carduaceae. Calyx-lobes setaceous. 

 Standard with a narrow tapering blade. Filaments united to below the 

 middle. Pod as in Petalostemon. 



1. K. pinnata (Walt.) Kuntze. Plants 3-12 dm. tall: leaflets 3-15; blades 

 linear-filiform to linear-cuneate, 5-10 mm. long: spikes subglobose: bracts 

 ciliate: calyx-lobes filiform-setaceous, much longer than the tube, plumose: 

 standard 6-8 mm. long; blade lanceolate: pod about 2 mm. long. — Pinelands. 



12, AESCHYNOMENE L. Annual erect or diffuse plants. Leaflets 

 several or many, pinnate. Eacemes several-flowered. Calyx spathe-like, the 

 lips respectively minutely 2-lobed and 3-lobed, Corolla yellow or reddish: 

 standard with a broad blade : wings and keel-petals with narrow curved blades 

 which are auricled at the base. Ovary bent, sparingly muricate. Lonient 

 several- jointed, the sections oval or quadrate, 



1. A. pratense Small, Plants 9-20 dm. tall: leaflets mostly 15-25; blades 

 narrowly oblong, 5-6 mm. long: calyx-lips 4-4.5 mm. long: blade of the 

 standard suborbicular, 10-13 mm. wide; blades of the keel and wing-petals 

 slightly narrowed above the auricles: pods scalloped-edged, the sections oval, 

 reticulate. — Everglades. — Sensitive joint-vetch, 



13, SECULA Small, Herbs with prostrate stems and branches. Leaflets 

 few, pinnate. Panicles few-flowered. Calyx 2-lipped; upper lip with 2 broad 

 lobes; lower lip with 3 lobes. Corolla yellowish or purplish: standard with a 

 very broad blade: wings and keel-petals auricled on one side, the keel-petals 

 with the narrower blades and abruptly bent. Loment few-jointed, the sections 

 half-orbicular, 



1, S, viscidula (Michx,) Small. Plants sticky-pubescent, the branches 1-12 

 dm, long: leaflets 5-9; blades obovate, 3-12 mm. long, reticulate: calyx-lobes 

 obtuse: corolla yellowish or purplish; standard 5-6 mm. long: pods 1-2 cm. 

 long, pubescent, 2-3-jointed. — Pinelands. — {Cuba, Ant.) 



14, STYLOSANTHES Sw. Herbs, Leaflets 3, pinnate. Flowers of two 

 kinds, the one complete, but sterile, the other without a perianth, but fertile. 

 Calyx 2-lipped: upper lip with 2 broad lobes; lower lip with the middle lobe 

 longer and narrower than the lateral ones. Corolla yellow or orange, persistent : 

 standard with a very broad blade: blades of the wings and the keel-petals 

 auricled, the latter incurved, Loment flat, 1- or 2-jointed, the lower joint 

 empty, the upper one opening at the apex. 



1. S, hamata (L,) Taub. Plants decumbent or procuml)ent: leaflets 7-17 mm. 

 long; blades oblong to oblong-lanceolate: calyx 2-2.5 mm. long: standard 4-5 

 mm. long: pods 2-jointed, the lower joint usually abortive, the terminal one 

 with 1-ribbed sides and a hooked beak. — Pinelands. — F, K. (Bah., Cuba, Ant.) 



15, MEIBOMIA Heister, Herbs, shrubs, or vines. Leaflets 3, or rarely 

 1 or 5, Eacemes simple or compound. Calyx 2-lipped, sometimes obscurely so, 

 the middle lobe of the lower lip often smaller or narrower and longer than the 



