LEGUMINOUS PLANTS. 421 



leaves pinnate, with very numerous small leaflets ; whole plant glandu- 

 lar dotted. Cedar barrens. June — August. Very valuable plant. 



PETALOSTEMON DECUMBENT, Gray. 



Perennial. Decumbent. Leaflets very thin, narrowly linear, corolla 

 rose-purple, with the former. 



PETALOSTEMOH CANDIDUS, Miehx. 



Leaflets 7-9, lanceolate or linear-oblong; corolla white Cumber- 

 land Mountains. July — August 



PETALOSTEMON CORYMBOSUS, Miehx. 



Stems clustered, erect, very leafy. Leaflets 3-7 filiform ; teeth of 

 the calyx setaceous, plumose ; vexillum oblong. June — August. Dry 

 cedar barrenB. All Petalostemons are excellent herbage. 



AMORPHA FRUTICOSA, Ii.—(Lead Plant, or False Indigo). ' 



Shrubs with odd pinnate leaves; flowers purple. A tall-growing 

 shrub. Confined to creek and river banks. 



ROBINIA PSEUDO-ACACIA, L.-( Common Locust), 

 ROBINIA VISCOSA, Vent.-(Clammy Locust), 

 ROBINIA HISPIDIA, L.-(JJose Acacia), 



Are generally known. Planted in avenues — the two latter in gardens 

 for their gorgeous blossoms. 



WISTARIA FRUTESCENS, D. C. 



Woody twiner, climbing high, with minute stipules, anddense recemes 

 of large and showy lilac-purple flow ers. Often cultivated for ornament. 



TEPHROSIA VIRGINIANA, Fers.~(Goats Erne). 



Calyx about equally 5-cleft. Standard roundish, usually silky out- 

 side turned back, scarcely longer than the coherent wings and keel. 

 Silky, villous. Leaflets 7-29 linear, oblong. Flowers showy. Roots 

 long, slender and very tough. Perennial. "Worthless. 



TEPHROSIA SPICATA, Torr & Gray. 



Similar to the foregoing, but the spikes loose, long, peduncled and 

 few flowered . Perennial. Not worth much. 



