135 

 URTICACE^. Nettle Family. 



Urtica gracilis, Ait. Slender Nettle. 



In thickets and low ground throughout the state. 



Urticastrum divaricatum, (L.) Kuntze. Wood Nettle. 

 Laportea Canadensis, Gaud. 



In low, rich woods from the Missouri river eastward. 



Adicea Pumila, (L.) Raf. Clearweed. 

 Pilea pumila^ Gray. 



In damp, shady ground in the Minnesota and Sioux 

 valleys. 



Parietaria Pennsylvania, Muhl. Pennsylvanian pel- 

 litory. 



In shady woods from the Missouri eastward, and in 

 the Black Hills. 



SANTALACE^E. Sandal- wood Family. 



Comaudra umbellata, (I/.) Nutt. Bastard Toad-flax. 



On dry, gravelly bluffs from the Missouri valley east- 

 ward. 



Coinandra pallida, A. DC. Pale Comandra. 



From the Missouri river westward throughout the 

 state, including the Black Hills. 



POLYGONACE^E. Buckwheat Family. 



Eriogouum annum, Nutt. Annual Eriogonum. 



In the Black Hills, and also extending over most of 

 the plains region from the Missouri valley westward. 



Eriogonum multiceps, Nees. Branched Eriogonum. 



On the dry plains from the Missouri river westward, 

 and in the Black Hills. 



Eriogonum pauciflorum, Pursh. Few-flowered Erio- 

 gonum. 



In the Black Hills, and in the surrounding plain 

 region. 



