LEGUMINOUS PLANTS. 421 



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

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



PETALOSTEMON DECUMBENS, Gray. 



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

 rose-purple, with the former. 



PETALOSTEMON CANDIDUS, Michx. 



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

 land Mountains. July August 



PETALOSTEMON CORYMBOSUS, Michx. 



Stems clustered, erect, very leafy. Leaflets 8-7 filiform ; teeth of 

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

 cedar barrens. All Petalostemons are excellent herbage. 



AMOBPHA FRUTICOSA, "L.-(Lead Plant, or Fake 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.--(Eose Acacia), 



Arc 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, and dense recemes 

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



TEPHROSIA VIRGINIANA, Pers.--(Goafc Rue). 



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

 side turne,d 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. 



