193 



Wulfeiiia rubra, (Hook.) Greene. Western Wulfena. 

 Synthris rubra, Benth. 



On hill sides near Custer in the Black Hills. 



Veronica Aiiagallis-aquatica, L,. Water Speedwell. 



In brooks from the Missouri valley eastward and in 

 the Black Hills. 



Veronica Americana, Schwein. American Brooklime. 

 In cold swamps in the Minnesota valley and in the 

 Black Hills. 



Veronica peregriiia, L. Neckweed. 



In low ground from the Missouri valley eastward and 

 in the Black Hills. 



Veronica officinalis, L. Common Speedwell. 

 Sparingly introduced in the Sioux valley. 



Leptandra Virginica, (L.) Nutt. Culver's Root. 

 Veronica Virginica, L. 



On prairies in the Minnesota and Sioux valleys; rare. 



Oerardia Besseyaiia, Britton. Bessey's Gerardia. 

 Gerardia tenuiflora macrophylla, Benth. 

 On low prairies from the Missouri valley eastward. 



Oerardia aspera, Dougl. Rough Gerardia. 



On prairies from the Missouri valley eastward; com- 

 mon. 

 Castilleja acumiiiata, (Pursh.) Spreng. Painted Cup. 



In woods in the Black Hills. 

 Castilleja sessiflora, Pursh. Prairie Painted Cup. 



On dry bluffs and sandy knolls throughout the state; 

 much more common from the Missouri valley westward. 

 Orthocarpus luteus, Nutt. Yellow Orthocarpus. 



Occasional in dry, sandy soils throughout the state. 

 Pedicularis lanceolata, Michx. Swamp Lousewort. 



In swamps and low prairies in the Minnesota and 

 Sioux valleys. 



