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. 
Potenitilla effusa, Dougl.? Prairie near Fort Clark, 
Potentilla Pennsylvanica, Linn, var. strigosa. Bad Lands. 
Potentilla diversifolia, Lehm. Bad Lands. 
Potentilla rigida, Nutt. Yellowstone. 
Potentilla Canadensis, Linn. Big Sioux river. 
Potentilla anserina, Linn. Niobrara river to Fort Pierre. 
Potentilia 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 occidentalis, Linn. Council bluffs. 
Rubus strigosus, Mich. Sparingly on Yellowstone. 
Rubus villosus, Ait. Council bluffs, 
Rosa blanda, Ait. On prairies generally. 
ftosa lucida, Ehrh. White river; Fort Pierre. 
Crategus punctata, Jacq. White river; Big Bend, &c. 
Crategus 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. 
LYTHRACE. 
Lythrum alatum, Pursh. Rich alluvial bottoms, Platte valley, June 3d. 
ONAGRACE. 
Epilobium minutum, Lindl. Black hills, September 10th. 
Epilobium angustifolium, Linn. Not uncommon in Kansas; also near Council bluffs. 
Ocenothera pinnatifida, Nutt. Bad Lands to Yellowstone. 
Oenothera albicaulis, Nutt. Same localities. 
Ocenothera caespitosa, Nutt. Bad Lands, &c.; 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 ? 
Ocnothera coronopifolia, Torr. and Gray. Niobrara, August 15th. 
Oenothera serrulata, Nutt. Fort Pierre, and through the whole region in different 
varieties. 
