LEGUMINOSJE, (PULSE FAMILY.) 105 
equal; legume scymitar-shaped, acute. — South Florida. — Stem 29 -3? long. 
Leaflets 13/-2'long. Racemes 1/-2! long. Flowers small. Legume 1/-1}! 
long, tapering at the base. 
+ + Calyx 4-parted, nearly as long as the corolla, the lobes linear or lanceolate, 
nearly equal : stems twining or erect. 
4. R. menispermoidea, DC. Stems several from one root, prostrate 
or twining, downy ; stipules ovate-lanceolate ; leaflets solitary, reniform, tomen- * 
tose; peduncles rarely as long as the petiole, with few crowded flowers at the 
summit ; calyx deeply parted, the lanceolate acute or acuminate lobes nearly 
equal ; legume oblong, acute, tomentose, 2-seeded. — Charlotte Harbor, South 
Florida, Blodgett. — Stems 2°-3° long. Leaflets 1/-2' in diameter. 
5. R. tomentosa, Torr. & Gray. Leaflets 1 or 3, roundish or ovate; ra- 
cemes dense-flowered ; legume oblong. 
Var. monophylla, Torr. & Gray. Pubescent ; stem low (3’-6/), erect ; 
leaflets mostly solitary, reniform or orbicular ; racemes very short, the upper- 
most clustered. (Glycine simplicifolia, El.) 
Var. erecta, Torr. & Gray. Velvety; stem erect (1°-1}°); leaflets 3, 
oblong or roundish, sometimes acute ; racemes many-flowered, the terminal one 
often elongated. (G. erecta and G. mollissima, Ell.) 
Var. volubilis, Torr. & Gray. Hairy; stem twining, angled ; lowest leaves 
simple, the upper ones trifoliolate ; leaflets 3, roundish or ovate, often angular 
on the margins ; racemes very short, few-flowered. (G. tomentosa, Ell.) — 
Dry sandy soil, Florida to North Carolina, and west to Mississippi. June- 
August. 
* * Stem tall, erect, with long virgate branches : flowers solitary or by pairs, in the 
axils of the upper leaves : calyx deeply 4-cleft, shorter than the corolla. 
6. R. galactoides. Stem bushy, purplish, closely pubescent; leaves 
very small, almost sessile; leaflets 3, oval or obovate, rigid, reticulate, pubes- 
cent; flowers mostly longer than the leaves, yellow, the vexillum reddish exter- 
nally ; legume oblong, 2-seeded. (Pitcheria galactoides, Nutt.) — Dry sand 
ridges, Florida and Alabama. June. — Stem 29— 49 high. Leaflets 3” - 9” 
long. Legume $' long. 
27. APIOS, Boc. 
Calyx somewhat 2-lipped ; the lateral teeth nearly obsolete, the lowest one 
longest. Vexillum very broad, reflexed ; the keel at length twisted. Stamens 
diadelphous (9 & 1) Legume nearly terete, many-seeded. — A smopth peren- 
nial a tem herb, with unequally pinnate leaves, and brownish-purple flowers in 
dense axillary racemes. T 
1. A. tuberosa, Monch.— Swamps, Florida to i Mississippi; and north- a 
ward. July and August.— Root bearing small edible tubers. Stem twining - 
high. Leaflets 5~7, ovate or ovate-lanceolate. Racemes often by pairs, 
Ecce bros mdmacc ox ee 
