LEGUMINOSiE. (I'Ur.Si: I'-.VMILY.) 109 



lary clusters. — Dry sandy pine barrens, near the west coast of Florida. Junc- 

 Aii^'ust. — Stem 2° - 4° long. Leaflets 1' - 2' long. Flowers largest of all. 



.'i G. glabella, Mich.x. Stem prostrate, minutely pubescent ; leaflets 

 ratber rigid, on siiort petioles, oblong, rarely acute, smooth and shining above, 

 slightly hairy beneath ; racemes seldom as long as the leaves, 3 - 6-flowered ; 

 style elongatetl ; legume sliglitly falcate, at length smoothish, 4 - 6-sccded. — 

 Dry pine barrens, Florida to Mississippi, and northward. July and August.^ 

 Stems 2° -3° long. Leaflets 1' long. Flowers large, reddish-purple. 



* * LeavfS trlfoholute, icith nearlj sessile leuflHs: stems erect. 



6. G. brachypoda, Torr. & Gray. Stems slender, branching, and, as well 

 as tiie leaves and ])edunclcs, smoothish ; leaves long petioled ; leaflets obloni:, 

 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, pur|)le. 



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-sceded. 



* * * Leaves pinnate : stems twining. 



8. G. Elliottii, Xutt. Leaflets 7-9, clliptical-oblong, emarginate, nearly 

 smooth and shining above, pubescent bencatli ; racemes longer than tlie 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 June. — I'iar.t ; ometime ■• si!I;y tliroii-hout. 



35. CAITAVALIA, DC. 



Calyx tubular, 2-lippcd ; the upper lip larger, with 2 rounded lobes, the lower 

 entire or 2-ckft. Vexillum large, orbicular, witli 2 ridges within ; keel incurved. 

 Stamens monadelphous. Legume ol)long-linear, compressed ; the valves with a 

 longitudinal ridge near the thickened up])cr suture. Seeds separated by inter- 

 posed cellular tissue : bilum linear. — Prostrate or twining herbs, with trifoliulatc 

 leaves, and j^howy flowers in axillary racemes. 



1. C. Obtusifolia, DC. Smoothish; stem long, prostrate ; leaflets thick, 

 oval or orbicul.ir, pointless ; racemes stout, longer than the leaves, 6 ~ 8-flowerc<l ; 

 flowers rose-color; legume 6-seeded. (C. rosea and C. miniata, Z>C.) — Sandy 

 shores of St. Vincent's Island, Florida, and soutlnvard. July-S"pt. — Stem 

 10° -15° long. Leaflets 3' long. Legume 4' -5' long, 1' wide. Seeds l)rowii. 



36. DOLICHOS, L. 



Calyx campanulatc, somewhat 2-lipped, tlie upper lip of two more or less 

 united teeth, the lower 3-cleft. Vexillum callous near the base. Keel more or 

 less falcate. Stamens diadelphous, the free stamen spurred at the base. Style 

 10 



