Primus Virginiana, L. Choke Cherry. 



Along streams and lakes throughout the state. 



Primus demissa, (Nutt.) Walp. Western Wild Cherry. 

 Along streams from the Missouri valley westward. 



Prunus serotiiia, Ehrh. Black Cherry. 



Rare in the Minnesota and Sioux valleys. 



MIMOSACE^;. Mimosa Family. 



Acuaii Illiiioensis, (Michx.) Kuntze. 

 Desmanthus brachylobus, Benth . 



On sandy or rocky banks of streams and lakes; occa- 

 sional in the Minnesota, Sioux and James valleys. 



Morongia uncinata, (Willd.) Britton* Sensitive-brier. 

 Schrankia uncinala, Willd. 



In dry soil from the Missouri valley westward. 



. Senna Family. 



Cercis Canadensis, L. Red -bud. 



This species is reported by Engelman to be found at 

 the mouth of the Sioux river. It has not yet been col- 

 lected there or elsewhere in the state. If it reaches our 

 southeastern limit it must be quite rare. 



Cassia chamaecrista, L. Sensitive Pea. 



Jn the southern part of the Sioux and James valleys, 

 near Sioux Falls, Elk Point and Yankton. 



Crleditsia triacanthos, L. Sweet Locust. 



Along the Sioux river in the extreme southeastern 

 county, Union county. 



Oymnocladus dioica, (L ) Koch. Kentucky Coffee-tree. 

 Along the Missouri river in the two southeastern 

 counties, Clay and Union. 



PAPILUONACE^E. Pea Family. 



Sophora sericea, Nutt. Silky Sophora. 



On prairies from the Missouri valley westward. 



