OF THE UPPER MISSOURI. 
191 
Geum rivale, Linn. Laramie mountains. 
Potentilla glandulosa , Nutt. Laramie mountains, August 24th. 
Potentilla Norvegica, Linn. Council bluffs to Yellowstone. 
Potentilla paradoxa, Nutt. Along banks of Missouri. 
Potentilla effusa, Dougl. % Prairie near Fort Clark. 
Potentilla Pennsylvanica, Linn,* var. strigosa. Bad Lands. 
Potentilla diversi/olia, Lehm. Bad Lands. 
Potentilla rigida , Nutt. Yellowstone. 
Potentilla Canadensis, Linn. Big Sioux river. 
Potentilla anserina, Linn. Niobrara river to Fort Pierre. 
Potentilla fruticosa, Linn. On the Yellowstone. 
Potentilla arguta, Pursh. Fort Clark and Fort Union. 
Sibbaldia procumbens, Linn. Laramie mountains, August 24th. 
Fragaria vesca , Linn. Along Missouri to Yellowstone. 
Fragaria Virginica, Ehsh. Fort Union. 
Sanguisorba annua, Nutt. Fort Union. 
Rubus occidentals, Linn. # Council bluffs. 
Rubus strigosus, Mich. Sparingly on Yellowstone. 
Rubus villosus, Ait. Council bluffs. 
Rosa blanda, Ait. On prairies generally. 
Rosa lucida, Ehrh. White river ; Fort Pierre. 
Crataegus 'punctata, Jacq. White river; Big Bend, &c. 
Crataegus tomentosa, var mollis, Gray. Mouth of Big Sioux. 
Amelanchier Canadensis, Torr. and Gray. Common throughout the Upper Missouri 
country; bears a delicious fruit, which ripens in June. 
LYTHRACEiE. 
Lythrum alatum, Pursh. Rich alluvial bottoms, Platte valley, June 3d. 
ONAGRACEiE. 
Epilobium minutum, Lindl. Black hills, September 10th. 
Epilobium angustifolium, Linn. Not uncommon in Kansas ; also near Council bluffs. 
* Oenothera pinnatifida, Nutt. Bad Lands to Yellowstone. 
Oenothera albicaulis, Nutt Same localities. 
Oenothera caespitosa, Nutt. Bad Lands, See.; the common form with large flowers, 
and another one with flowers not more than one inch in diameter. 
Oenothera montana, Nutt. Yellowstone; a small pubescent form of the latter \ 
Oenothera coronopifolia, Torr. and Gray. Niobrara, August 15th. 
Oenothera serrulata, Nutt. Fort Pierre, and through the whole region in different 
varieties. 
