i 7 6 



CEnothera serrulata, Nutt. 



In dry soils throughout the state. 

 Gaura parviflora, Dougl. Small-flowered Gaura. 

 In dry soil from the Missouri valley westward. 

 Gaura cocciiiea, Pursh. Scarlet Gaura. 



In dry prairies throughout the state; more common in 

 the James and Missouri valleys. 



Gay ophy ton ramosissimum, T. & G. Bushy Gay- 

 ophyton. 



On dry knolls in the Black Hills and the adjacent 

 plains. 

 Circsea Lutetiaiia, L,. Enchanter's Nightshade. 



In damp woods in the Minnesota valley and the Black 

 Hills. 



Circsea alpiiia, L. Alpine Enchanter's Nightshade. 

 In moist woods in the Black Hills. 



HALORAGIDACE^E. Water Millfoil Family. 



Hippuris vulgaris, L. Bottle Brush. 



In shallow water in the Sioux valley and locally in 

 the Missouri valley; Faulkton. 



Myriophyllum spicatum, L. Spiked Water Millfoil. 



Common in lakes and slow streams in the Minnesota, 

 Sioux and James valleys. 



Myriophyllum verticillatum, L. Whorled Water Mill- 

 foil. 



In the Minnesota and Sioux valleys; not common. 



Myriophyllum heterophyllum, Michx. Various-leaved 

 Water Millfoil. 



In slow running water in the Sioux valley; rare. 



ARAIJACE^. Ginseng Family. 



Aralia raccmosa, L. American Spikenard. 

 In rich woods in the Minnesota valley. 



