LEGUMINOSEX./ (PULSE FAMILY.) 109 
lary clusters. — Dry sandy pine barrens, near the west coast of Florida. June- 
August. — Stem 29 - 49 long. Leaflets 1 -2' long. Flowers largest of all. 
5. G. glabella, Michx. Stem prostrate, minutely pubescent; leaflets 
rather rigid, on short petioles, oblong, rarely acute, smooth and shining above, 
slightly hairy beneath; racemes seldom as long as the leaves, 3 — 6-flowered ; 
style elongated ; legume slightly faleate, at length smoothish, 4 — 6-seeded. — 
Dry pine barrens, Florida to Mississippi, and northward. July and August.— 
Stems 29 —3? long. Leaflets 1’ long. Flowers large, reddish-purple. 
* * Leaves trifoliolate, with nearly sessile leaflets: stems erect. 
6. G. brachypoda, Torr.& Gray. Stems slender, branching, and, as well 
as the leaves and peduncles, smoothish ; leaves long petioled ; leaflets oblong, 
obtuse ; flowers few, somewhat clustered at the summit of the slender peduncle ; 
calyx woolly. — Dry sandy ridges in the pine barrens of Middle Florida. July 
and August. — Stems 1°-1}° high. Leaflets shorter than the petiole. Flowers 
small, purple. 
7. G. sessiliflora, Torr. & Gray. Stem short, smooth, simple; leaflets 
oblong or linear-oblong, obtuse, smooth on both sides ; flowers crowded in nearly 
sessile axillary clusters; calyx hairy.— Dry pine barrens, Florida to North 
Carolina. June- August. — Stem 6/-12! high. Flowers white. Legume ob- 
long-linear, tomentose, 6 — 8-seeded. - 
* * ** Leaves pinnate: stems twining. ^ ay 
8. G. Elliottii, Nutt. Leaflets 7 — 9, elliptical-oblong, emarginate, nearl 
smooth and shining above, pubescent beneath ; racemes longer than the leaves, 
few-flowered near the summit of the peduncle; corolla white tinged with red ; 
legume compressed, villous, falcate, 3 — 5-seeded. — Dry soil, Florida to South 
Carolina, near the coast. May and Juno. — Plant sometimes silky throughout. 
85. CANAVALIA, DC. 
Calyx tubular, 2-lipped ; the upper lip larger, with 2 rounded lobes, the lower 
entire or 2-cleft. Vexillum large, orbicular, with 2 ridges within; keel incurved. 
Stamens monadelphous. Legume oblong-linear, compressed ; the valves with a 
longitudinal ridge near the thickened upper suture. Seeds separated by inter- 
posed cellular tissue : hilum linear. — Prostrate or twining herbs, with trifoliolate 
leaves, and showy flowers in axillary racemes. oue 
1. C. obtusifolia, DC. Smoothish; stem long, prostrate; leaflets thick, 
oval or orbicular, pointless ; racemes stout, longer than the leaves, 6 — 8-flowered ; 
flowers rose-color ; legume 6-seeded. (C. rosea and C. miniata, DC.) — Sandy 
shores of St. Vincent’s Island, Florida, and southward. July - Sept. — Stem 
10°-15° long. Leaflets 3’ long. Legume 4’~5! long, 1’ wide. Seeds brown. 
* 
_ Calyx campanulate, somewhat 2-lipped, the upper lip of two more 
~ less falcate, Stamens diadelphous, the free stamen spurred at 
