* 



292 ORDEK XLTII. LEGUMINOS22* 



Genus XLL— LUPI'NUS. Tourn. 16—10. 

 (A name given by Pliny ; origin doubtful.) 



Calyx distinctly bilabiate, upper lip usually 2-cleft, the lower 

 entire or 3-cleft. Vexillum with reflexed margins; wings uni- 

 ted at the summit ; keel falcate, acuminate. Stamens mona- 

 delphous ; alternate anthers oblong, the others round. Legume 

 coriaceous, slightly compressed. Herbaceous plants with pal- 

 mate or simple leaves. 



1. L. peren'nis, (L.) Root creeping. Stem pubescent, striate, pro- 

 cumbent, branching. Leaflets 7 — 9, obovate, slightly pubescent beneath. 

 Flowers in long, loose racemes; upper lip of the calyx gibbous at the 

 base, lateral segments of the lower lip setaceous. Petals nearly equal ; 

 vexillum spotted. Legume hirsute. — Bluish-violet. If. April — May. 

 Common in sandy soils. 12 — 15 inches. Wild Lupine. 



2. L. villo'sus, (Willd.) Stem clothed with a dense silky pubescence, 

 decumbent. Leaves simple, large, lance-oblong, on long hairy petioles. 

 Flowers in long dense spikes ; calyx bracteolate. Legumes woolly, ob- 

 long, 4 — 5-seeded. — Reddish-purple. $. April — May. Common. 

 10 — 15 inches. 



8. L. diffu'sus, (Nutt.) Stem decumbent, diffuse, villous. Leaves 

 oblong-ovate, obtuse, on short petioles, destitute of hairs. Resembles 

 in other respects the preceding species. — Blue. 2£. April — May. 

 Sand-hills of Car. and Geo. 10 — 15 inches. 



Tribe VIIL— SOPHO'REiE. 



Stamens 10, distinct; anthers uniform. Legume continuous, 

 sometimes moniliform, but not jointed. 



Genus XLIL— BAPTIS'IA. Vent. 10—1. 

 (From the Greek bapto, to dye; some of the species being used for dyeing.) 



Calyx 4 — 5-cleft, campanulate or bilabiate. Vexillum nearly 

 orbicular, emarginate, reflexed; wings about equal in length to 

 the vexillum, oblong. Keel slightly curved, scarcely as long as 

 the wings. Petals slightly united. Stamens separate, decidu- 

 ous. Legume stipitate, ma^^-seeded, ventricose. Flowers in 

 terminal racemes, or axillary and solitary. Perennial herba- 

 ceous plants. 



1. B. perfolia'ta, (Br.) Stem glabrous, somewhat branched. Leave* 

 perfoliate, orbicular or oval, glaucous, entire. Flowers solitary, axillary, 

 small. Legume large, inflated. Seeds small, reniform. — Yellow. 2Jf. 

 May — July. In dry, sandy soils, middle Car. and Geo. 



2. B. lanceola'ta, (Ell.) Stem pubescent, sometimes nearly glabrous, 

 branching. Leaves ternate, nearly sessile ; leaflets cuneate-Ianceolate, 

 obtuse, glabrous on the upper surface, puberulent on the lower. Floto- 

 ers axillary, solitary, or in terminal racemes. Legume large, somewhat 



