ORDER XLIII. LEGUMINOS^. 277 



Genus XIL— PITCIIE'RIA. Nutt. 16—10. 

 (In honor of Dr. Pitcher, of the U. S. Army.) 



Calyx 4-cleft ; lobes nearly equal, subulate, the lower one a 

 little the largest, the upper one slightly bifid. Vcxillum neai-ly 

 orbicular, without callosities. Wings small, narrow, with a sub- 

 ulate tooth at the base. Keel large, rounded. Ovary com- 

 pressed, hairy, with 2 ovules. Stijle hairy toward the base. 

 Leyume oblong, sessile, compressed, 1 — 2-seeded. Seeds slight- 

 ly carunculate, variegated. 



1. P. galactoi'des, (Nutt.) Stem rigid, brandling ; branches angled, 

 pubescent. Leaves small, numerous, trifoliate; leaflets oval or obovate- 

 oval, glabrous, the lateral leaflets smaller and sessile. Flowers solitary 

 or in pairs,. on axillary peduncles. Vexillum partly inclosing the other 

 petals. — Red or yellow. If. May. Alabama. 2 — 3 feet. 



Genus XIII.— GALAC TIA. R. Br. 16—10. 

 (From the Greek gala, milk; yields a milky juice.) 



Calyx 4-cleft. Segments acute, upper one broadest, with 2 

 bracts at the base. Vexillum broad, incumbent, without callos- 

 ities ; other petals oblong. Petals of the keel united at their 

 apex. Legume terete or slightly compressed, linear, many- 

 seeded. Stigma obtuse. Racemes axillary. 



1. G. glabel'la, (Mich.) Stem spreading or climbing over shrubs, 

 terete, glabrous, or a little hairy. Leaves ternate, glabrous above, a 

 little hairy beneath ; leaflets ovate or elliptic-oblong, obtuse, emargi- 

 nate. Racemes axillary, a little longer than the leaves ; seiiments of 

 the calyx acuminate, nearly glabrous. Anthers linear. — Reddish pur- 

 ple. If. June — Sept. Rich shaded soils. 2 — 4 feet. 



2. G. PiLo'sA, (Nutt.) A vine climbing over small shrubs, retrorscly 

 hirsute, terete. Leaflets ovate or oval, hirsute, particularly on the 

 under surface. Racemes axillary, 6 — 12 inches long. Flowers scattered. 

 Anthers linear-oblong. Leyume villous. — Pale purple, y. June — 

 Sept. In dry, shaded soils. 



3. G. mol'lis, (Mich.) Stem prostrate or climbing over small plants, 

 retrorsely pubescent, terete. Leaves ternate ; leaflets oval, villous, 

 canescent, pale beneath. Racemes longer than the leaves, somewhat 

 crowded. Flowers small. Calyx 4-cleft ; lower segment longer than 

 the others, with 2 subulate bracts at the base. Anthers oval. Leyitmc 

 straight, hispid. — Purple. U. June — Sept. In dry soils. 



4. G. Elliott'ii, (Nutt.) Stem twining, running over small shrubs, 

 sparingly pubescent. Leaves unequally pinnate ; leaflets 7 — 9, ellipti- 

 cal-oblong, lucid on the upper surface, pubescent beneath ; petiole 2 — 

 3 inches long. Flowers on long racemes, clustered toward the summit 

 of the peduncle. Pedicels short. Calyx hairy ; lower segment longest, 

 upper one ovate. Leyume compressed, villous, falcate. Seeds 3 — 4, 

 smooth, speckled. — Wliite, tinged with red. %. May— July. On 

 the coast. 



