177 



Aralia iiudicaulis, L. Wild Sarsaparilla. 



On shady banks in the Minnesota valley and in the 

 Black Hills. 



UmbeIv.LIFER^. — Carrot Family, Umbelworts. 



Daucus carrot a, h. Wild Carrot. 



Sparingly naturalized in the Minnnesota and Sioux 

 valleys, 



Heraeleuiii laiiatum, Michx. Cow Parsnip. 



In woods in the Minnesota and Sioux valleys, and in 

 the Black Hills. 



Fastiiiaea sativa, L. Wild Parsnip. 



Escaped near Rapid City, in the Black Hills. 



Peucedaiium nudicaule, (Pursh.) Nutt. White-flowered 

 Parsley. 



In dry soil from the Missouri valley eastward, common. 



Peucedaiuiiii foeiiicvilaceiiiii, Nutt. Fennel-leaved 

 Parsley. 



In the James and Missouri valleys and along the 

 White river; not common. 



Peucedaniiin villosuni, Nutt. Hairy Parsley. 



In dry, clay, soils from the James valley westward; 

 common. 



Cymopteriis acaulis, (Pursh.) Rydberg. Plain Cymop- 

 terus, 



Cy^nopteriis glomeratus^ Raf. 

 On dry knolls from the Missouri valley westward. 



Cyinopterus inontaiiiis, T. & G. Mountain Cymopterus. 

 In the Black Hills and the adjacent plains. 



Eryngiiiiii aquaticum, L. Button Snakeroot. 

 In the Sioux valley near Sioux Falls; rare. 



Saiiicula Marylandica, L. Black Snakeroot. 



In woods in the Minnesota and Sioux valleys; com- 

 mon. 



