46 
Sandy soil, abundant in the valleys of the James and Missouri rivers, and more or 
less common throughout both States. 
A TM 
Nue o 
Psoralea argophylla Pursh. 
Prairies throughout the Northwest. 
Psoralea esculenta Pursh. 
Sandy or gravelly soil throughout. 
Dalea alopecuroides Willd. 
South Dakota: Aurora County (Wilcox). 
Sandy soil. Abundant in the lower Missouri Valley. 
Astragalus adsurgens Pall. 
North Dakota: Bottineau (Brannon 86), O 
South Dakota: Brookings, Aberdeen, Le Ella, Iroquois, Aurora County (Wil- 
cox 
In dry eiit on high prairies. 
Astragalus bisulcatus Gray. ^ y 
Nort hD Dakota: Manvel (Brannon 1), Grand Forks. i: 
South Dakota: Bad Lands between the White and Cheyenne rivers. 
Astragalus canadensis L. 
South Dakota: Brookings (Wilcox 81), Iroquois, Sioux Falls, Aurora County (Wil- 
cox). 
Lu 5n uo 0 00 Up EL E 
* 
Astragalus caryocarpus Ker. 
North Dakota: Minot (Brannon 105), Dickinson, Grand Forks, Oakes. 
South Dakota: Brookings (Wilcox 79), Watertown, Sioux Falls, Aberdeen, Huron, 
urora County (Wilcox) 
Dry soil on rolling prairies. 
Astragalus flexuosus Dougl. 
North Dakota: Grand Forks (Brannon 6), Devil's Lake. 
South Dakota: Brookings, Aurora County (Wilcox), McPherson County, Iroquois, 
Lake Hendricks (Wilcox 80). 
Dry prairies. 
alus hypoglottis L. 
North Dakota: Grand Forks (Brannon 7), Inkster, Oakes, Jamestown. 
South Dakota: Brookings (Wilcox 82), Salem, Huron, Watertown, Aberdeen, Aurora 
County (Wilcox). 
Dry prairies and banks of coulees. 
Astragalus missouriensis Nutt. 
South Dakota: Aurora County (Wilcox 77). 
Prairies. 
us plattensis Nutt. 
Sonth Dakota: Aurora County (Wilcox), Salem (Wiloox 78). 
Sandy soil. 
Oxytropis lambertii Pursh. 
North eraat Inkster (Brannon 36), Langdon, Devil's Lake, Grand Forks, Oakes, 
Sonth Dal Dekofa: Brookings, § Sioux Falls, Iroquois, Watertown, Aberdeen, ieee 
Aurora County bae 
- ie ph ele 
