LEGUMINOUS PLANTS. 417 



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

 nial. June, 'July. 



Cladrastis 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 Chamcecrista, L. Partridge pea. Annual. July, August. 



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



Gleditschia triacanthos, L. Honey-locust, tree. 



Gleditschia monospermm, Walt. Swamp honey-locust, small tree. 

 May. 



Gymnocladus Canadensis, Lam. Kentucky Coffee tree. May. 



Acacia Julibrissim. Acacia, tree. May. 



Demanthus brachylobus, R. Brown. American Mimosa Peren- 

 nial. June, July. 



Schrankia uncinata, 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 



