OF THE UPPER MISSOURI. 189 
Petalostemum violaceum, Mich. Upper Missouri to Bad Lands. 
Petalostemum villosum, Nutt. Bad Lands; also sand hills on Loup fork. 
Petalostemum macrostachyium, Torr. Sand hills along the Loup fork and Niobrara. 
Trifolium stoloniferum, Muhl. Bad Lands, 
Trifolium pratense, Linn. Lower Missouri. 
Trifolium repens, Linn. Lower Missouri. 
Hosackia Purshiana, Benth. Sandy bottoms of Missouri. 
Astragalus hypoglottis, Linn. White river to Bad Lands. ; 
Astragalus gracilis, Nutt. Bad Lands to the Yellowstone. 
Astragalus striatus, Nutt. Fort Pierre to Bad Lands, covering prairies like clover fields. 
Astragalus Missouriensis, Nutt. Fort Pierre to Fort Union. 
Astragalus caryocarpus, Ker. Fort Pierre to Bad Lands. 
Astragalus Plattensis, Nutt. Fort Pierre. 
Astragalus Canadensis, Linn. Fort Pierre to Bad Lands. 
Astragalus racemosus, Pursh. Abundant in the sandy bottoms of Missouri; Cedar 
island. 
Astragalus mollississimus, Torr. Niobrara river, August 18th. 
Astragalus Drummondi, Douglass. Sterile hills around Fort Union. 
Astragalus adsurgens, Pall. James river. 
Phaca caespitosa, Nutt. Bad Lands. 
Phaca longifolia, Nutt. Bad Lands. 
Phaca pectinata, Hook. Upland prairies on the Yellowstone river; abundant. 
Phaca elongata, Hook. Fort Pierre to Fort Union. 
Phaca bisulcata, Hook. Fort Union. 
Orytropis Lamberti, Pursh. Very abundant on prairies around Big Sioux and Nio- 
brara rivers. 
Oxytropis splendens, Douglass. James river. 
Homalobus multiflorus, Nutt. Big Sioux to Bad Lands. 
Kentrophyta montana, Nutt. Abundant in sandy river-bottoms on the Yellowstone. 
Hedysarum boreale, Nutt. Abundant; mouth of Yellowstone. 
Desmodium Canadense, D.C. Fort Clark. 
Desmodium Dillenii, Darl. Big Sioux river. 
Desmodium paniculatum, D. C. Bellevue, W. T. 
Desmodium nudiflorum, D.C. Bellevue, W. T. 
Lespedeza capitata, Michx. Abundant on the rich bottoms about Council bluffs, Big 
Sioux. 
Lespedeza hirta, Ell. On Missouri. 
