'74 

 ELAEAGNACE^E. Oleaster Family. 



Elaeagims argeutea, Pursh. Silver Berry. 

 In limestone districts in the Black Hills. 

 Lepargyraea Canadensis, (L.) Greene. Canadian Buffalo 

 Berry. 

 Shepherdia Canadensis, Nutt. 



Occasional from the Missouri river to the Black Hills* 



Lepargyrsea argentea, (Nutt.) Greene. Buffalo Berry. 

 Shepherdia argentea, Nutt. 



Common on bluffs and in thickets from the Missouri 

 valley westward; occasional on bluffs in coulees in the 

 Minnesota valley. 



LYTHRACE^. Loosestrife Family. 



Ammaiiia coccinea, Rottb. Long-leaved Ammannia. 

 In swampy ground from the Missouri valley eastward. 



Lythrum alatum, Pursh. Wing-angled Loosestrife. 



Occasional in low ground from the Missouri valley 

 eastward. 



ONAGRACE.^. Evening Primrose Family. 



Chamsenerioii angustifolium, (L.) Scop. Fireweed. 

 Great Willow Herb. 

 Epilobium angustifolium, L. 



In open woods in the Minnesota valley and in the 

 Black Hills. 



Epilobium liiieare, Muhl. Linear-leaved Willow Herb. 

 In swamps in the Minnesota and Sioux valleys, and in 

 the Black Hills. 



Epilobium paiiiculatum, Nutt. Panicled Willow Herb. 

 Occurs in the Black Hills. 



Epilobium coloratum, Muhl. Purple-leaved Willow 

 Herb. 



In low ground in the Minnesota valley. 



