Thermopsis rhoiubifolia, (Nutt.) Richards. Prairie 

 Thermopsis. 



On banks and in draws from the Missouri valley west- 

 ward. 



Crotalaria sagitalis, L. Rattle-box. 



On prairies in the southern part of the state, east of 

 the Missouri river; Union, Clay, Yankton and Charles 

 Mix counties. 



Lupiims sericeus, Pursh. Woolly Lupine. 

 In the Black Hills. 



Lupiiius parviflorus, Nutt. Small-flowered Lupine. 

 Common in the Black Hills. 



Lupiims pusillus, Pursh. Low Lupine. 



Common on the dry plains from the Missouri valley 

 westward. 



Melilotus alba, Desv. White Sweet Clover. 



Sparingly naturalized in the Minnesota, Sioux and 

 James valleys. 



Melilotus officinalis, (L.) Lam. Sweet Yellow Clover. 



Escaped from cultivation in the Sioux valley near 

 Brookings. 



Trifolium procumbens, L. Low Hop Clover. 

 Sparingly naturalized in the Sioux valley. 



Trifolium stoloiiiferum, Muhl. Running Buffalo Clover. 

 In low prairies and woods in the Minnesota and Sioux 

 valleys; introduced. 



Trifolium Beckwitbii, Brewer. Beckwith's Clover. 



Very abundant around swails and in low meadows in 

 the Minnesota and Sioux valleys. Our only native 

 clover. 



Trifolium repens, (L.) White Clover. 



Sparingly introduced in the Sioux valley and in the 

 Black Hills. 



