175 



Epilobiimi adenocauloii, Haussk. Northern Willow 

 Herb. 



In moist ground throughout the state. 



Epilobium Horiieiuanni, Rerchenb. Hornemann's Wil- 

 low Herb. 



Near Sips Springs in the Black Hills. 



Epilobivim Drviiuiuondii, Kansk. Drummond's Willow 

 Herb. 



In the limestone district in the Black Hills. 



Onagra biennis, (L.) Scop. Evening Primrose. 

 CEtiothera biennis^ L. 



Common throughout the state. 



(Enotliera laciniata, Hill. Sinuate-leaved Evening 

 Primrose. 



CEnothera sinuata^ I^. 

 In the Black Hills; rare. 



Anog-ra albicaulis, (Pursh.) Britton. Prairie Evening 

 Primrose. 



CEnothera albicaulis^ Pursh. 

 Occasional in low ground throughout the state. 



Anogra coronopifolia, (T. &. G.) Britton. Cut-leaved 

 Evening Primrose. 

 CEnothera coronopifolia^ T. & G. 

 In the Black Hills and on the adjacent plains. 



Anogra pallida leptophylla, (Nutt.) 



CEnothera pallida leptophylla^ (Nutt.) T. & G. 

 CEnothera leptophylla^ Nutt. 

 Occasional in the Black Hills, 



Pachyloplius ctespitosa, (Nutt.) Raimann. Scapose 

 Primrose. 



CEnothera ccespitosa^ (Nutt.) 



In "gumbo soils" from the Missouri valley westward; 

 common. 



Meriolix serrulata, (Nutt.) Walp. Tooth-leaved Primrose. 



