i 7 8 



Sanicula canadensis, L. Short-styled Snakeroot. 

 Sanicula Marylandica canadensis, Torr. 



In the Minnesota and Sioux valleys and in the Black 

 Hills. 



Musineon divaricatum, (Pursh.) Nutt. L^afy Musineon. 

 In "gumbo soils' ' from the Missouri valley westward ; 

 common. 



Musineon tennifolium, Nutt. Scapose Musineon. 

 In the Black Hills; common. 



Musineon trachysperma, Nutt. 



Near Hermosa in the Black Hills. 



Washingtonia Claytoni, (Michx.) Britton. Wooly 

 Sweet Cicely. 

 Osmorrhiza brevistylis, DC. 



In the Minnesota and the southern part of the Sioux 

 valleys (Union Co.); rare. 



Washingtonia longistylis, (Tott.) Britton. Smoother 

 Sweet Cicely. 

 Osmorrhiza longistylis, Torr. 



In rich woods in the Minnesota and Sioux valleys and 

 in the Black Hills. 



Washingtonia inn la, (Torr.) Western Sweet Cicely. 

 Osmorrhiza nuda, Torr. 

 In the Black Hills, not common. 



Sium cicutaefolium, Gmel. Hemlock Water Parsnip. 

 In swamps from the Missouri valley eastward. 



Zizia aurea, (L.) Koch. Golden Meadow Parsnip. 



Abundant in low prairies from the Missouri valley 

 eastward. 



Zizia cordata, (Walt.) DC. Heart-leaved Alexander. 



On low prairies in the Minnesota and Sioux val- 

 leys and in the Black Hills. I^ess common than the 

 last. 



