191 



Physalis rotmidata, Rydb. Round-leaved Ground Cherry. 

 In the foothills of the Black Hills, and the adjacent 

 plains. 



Solatium uigrnni, L,. Black Nightshade. 



In the waste places from the Missouri valley eastward 

 and in the Black Hills. 



Solaiiiim triflorum, Nutt. Cut-leaved Nightshade. 



In waste places in the Minnesota and Sioux valleys, 

 and in the Black Hills. 



Solanum rostratum, Dunal. Texas Thistle. Beaked 

 Nightshade. 



On dry prairies and in waste places throughout the 

 state. From the Missouri valley eastward it is found in 

 waste places, apparently introduced from the west. On 

 the plains west of the Missouri river it is more abundant 

 and apparently native. 



SCHROPHULARIACE^. Figwort Family. 



Verbascum thapsus, L. Mullen. 



Introduced into the southeastern part of the state, and 

 in the Black Hills; rare. 



Linaria linaria, (L.) Karst. Butter-and-eggs, Yellow Toad 

 Flax. 

 Linaria vulgaris, Mill. 



Sparingly naturalized in the Sioux valley. 



Linaria Canadensis, (L.) Dumont. Blue Toad Flax. 



In dry soils in the Black Hills. 



Schroplmlaria Maryjandica, L. Heal-all. Maryland 

 FigworL 

 Schrophularia nodosa Marylandica, Gray. 



In thickets from the Missouri valley eastward, and in 

 the Black Hills. 

 Pentstemon cristatus, Nutt. Crested Beard-tongue. 



On dry bluffs in the Missouri valley and in the Black 

 Hills. 



