420 LEGUMINOUS PLANTS. 



CROTALARIA SAGITTALIS, L. Rattlebox. 



Flowers in racemes, commonly yellow, stem erect, branching. Leaves 

 oblong laneolate, stipules united and decurrent on the stem, legumes 

 much inflated. Plant hairy. Valuable, g owing abundantly in the 

 State in sandy soil. June and September, —r Good. 



MELILOTUS ALBA, Lam.— ( While Meliiote, not indigenous. 

 Cultivated as forage. 



TRIFOLIUM PRATENSE, L.— (Sed clover already described.) 



TRIFOLIUM ARVENSE, L -{Babbit joot clover.) 

 Annual, silky, erect, heads cylindrical. No use. 



TRIFOLIUM REFLEXUM, L— (Buffalo clover.) 



Biennial; stems ascending, downy; leaflets obovate, oblong, finely 

 toothed. Stipules thin, ovate; pods 3-5, seeded. Valuable. Round 

 Nashville. 



TRIFOLIUM REPENS, L-( White clover.) 

 Universally known. 



TRIFOLIUM CAROLINIANUM, Michx--(CWma clover. 

 Small, procumbent, corolla purplish. Does not afford much forage. 



MEDICAGO LUPULINA, L— (Black MedicL) 



Stem procumbent. Heads of flowers roundish, £ inch diameter, pale 

 yellow. Abundant in dry pastures. Sheep feed on it. It is introduced 

 from Europe and an annual. May and August. 



PSORALEA MELILOTOIDES, Michx-Psoralw. 



Calyx 5, a cleft, persistent, the lower lobe longest. Pod strongly 

 wrinkled; leaves pinnately 3-folialate stem erect, 2-3 feet high. Peren- 

 nial. Very good for all stock. Common. 



PSORALEA SUBACAULIS, Torr and Gray. 



Nearly stemless; leaves palmate, 7-folialate. Root with a tuber. 

 Flowers purple, in May. Cattle feed on it. Nashville, rare. 



PETALOSTEMON FOLIOSUS, Gray.— (Leafy Prairie 

 Perennial. Flowers in a spike, rose-colored Stem erect, smooth s 



