162 



Astragalus Mexicanus, DC. Larger Ground Plum. 



In the Sioux valley, near Brookings. 

 Astragalus Plattensis, Nutt. Platte Milk Vetch. 



In the Sioux valley near Sioux Falls, and in the Black 

 Hills. 



Astragalus Caroliiiianus, L. Carolina Milk Vetch. 

 Astragalus Canadensis, I/. 



In sandy soil and waste places in the Minnesota and 

 Sioux valleys and in the Black Hills. 

 Astragalus adsurgens, Pall. Ascending Milk Vetch. 

 On prairies throughout the state. 



Astragalus hypoglottis, I/. Cock's-head. 



Abundant from the Missouri valley eastward, and in 

 the Black Hills. 



Astragalus Drummondii, Dougl. Drurnmond's Milk 

 Vetch. 



In the Black Hills, near Hot Springs. 



Astragalus racemosus, Pursh. Racemose Milk Vetch. 



Abundant in heavy soils from the Missouri river west- 

 ward; occasional in the James valley. 



Astragalus Msulcatus, (Hook.) Gray. Grooved Milk 

 Vetch. 



In the foot-hills of the Black Hills, and in the adjoin- 

 ing plains. 



Astragalus lotiflorus, Hook. I^ow Milk Vetch. 



In the Black Hills and on the adjoining plains. 

 Astragalus Missouriensis, Nutt. Missouri Milk Vetch. 



From the Missouri valley westward; common on dry 

 banks and hills. 



Astragalus gracilis, Nutt. Slender Milk Vetch. 



In dry ground in the Minnesota region, and near Hot 

 Springs in the Black Hills. 

 Astragalus microlobus, Gray. Notched Milk Vetch. 



Common in the Black Hills. 



