135 

 UrticacE/E. — Nettle Family. 



Urtica g-racilis, Ait. Slender Nettle. 



In thickets and low ground throughout the state. 



Urticastrum clivaricatiim, (I^.) Kuntze. Wood Nettle. 

 Laportea Canadensis^ Gaud. 



In low, rich woods from the Missouri river eastward. 



Adicea Piiiiiila, (L.) Raf. Clearweed. 

 Pilea pumila^ Gray. 



In damp, shady ground in the Minnesota and Sioux 

 valleys. 

 Parietaria Peiiiisylvanica, Muhl. Pennsylvanian pel- 

 litory. 



In shady woods from the Missouri eastward, and in 

 the Black Hills. 



Santalace^. — Sandal-wood Family. 



Coiuandra umbellata, (L.) Nutt. Bastard Toad-flax. 



On dry, gravelly bluffs from the Missouri valley east- 

 ward. 



Comandra pallida, A. Dc. Pale Comandra. 



From the Missouri river westward throughout the 

 state, including the Black Hills. 



PoLYGONACE^. — Buckwheat Family. 



Eriog-oiiuiu aiiiiuni, Nutt. Annual Eriogonum. 



In the Black Hills, and also extending over most of 

 the plains region from the Missouri valley westward. 



Eriogonum iniilticeps, Nees. Branched Eriogonum. 



On the dry plains from the Missouri river westward, 

 and in the Black Hills. 



Eriog'oiuini paucifloriiin, Pursh. Few-flowered Erio- 

 gonum. 



In the Black Hills, and in the surrounding plain 

 region. 



