174 

 Elaeagnace^. — Oleaster Family. 



Elaeagiius argeiitea, Pursh. Silver Berry. 

 In limestone districts in the Black Hills. 



Leparg-yra'a Canadensis, (L.) Greene. Canadian Buffalo 

 Berry. 

 Shepherdia Canadensis^ Nutt. 



Occasional trom the Missouri river to the Black Hills 4 



L.eparg-yrjpa arg-eiitea, (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. 



IvYTHRACE-S;. — Loosestrife Family. 



Auimania cocciiiea, Rottb. Long-leaved Ammannia. 

 In swampy ground from the Missouri valley eastward. 



Lythrum alatuin, Pursh. Wing-angled Loosestrife. 



Occasional in low ground from the Missouri valley 

 eastward. 



Onagrace^. — Evening Primrose Family. 



Cliaiufeiierioii aiigustifoliuiii, (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. 



