LEGUMINOUS PLANTS. 417 



Thermopsis mollis, R. Brown. Soft-leaved Thermopsis. Peren- 

 nial. June, July. 



Oladrastis tinctoria, Raf. Yellow wood. Tree. May. 



Cercis Canadensis, L. Red-bud. Small tree. March. 



Cassia Marilandica, L. American senna. Annual. July. 



Cassia obtusifolia, wild senna. Annual. July. 



Cassia Chamceerista, L. Partridge pea. Annual. July, August. 



Cassia nictitans, L. Sensitive plant. Annual. July, Angust. 



Gleditsehia triaeanthos, L. Honey-locust, tree. 



Oleditschia monospermy, Walt. Swamp honey-locust, small tree. 

 May. 



Qymnocladus Canadensis, Lam. Kentucky Coffee tree. May. 



Acacia Julibrissim, Acacia, tree. May. 



Demanthus braehylobus, R. Brown. American Mimosa Peren- 

 nial.' June, July. 



Schrankia uneinata, Wild. Sensitive bria'. Perennial. June, > 

 August. 



Schrankia angustata, Torr & Gray. Narrow leaved sensitive brier. 

 Perennial. July. 



Continued botanical research will unquestionably add a good many 

 more species to this list. 

 27 



