OF THE UPPER MISSOURI. 
193 
GROSSULACEiE. 
Ribes hirtellum, Michx. On Powder river, on rocks; a spineless, small-leaved form. 
Ribes oxyacanthoides, Linn. On the Yellowstone. 
Ribes fioridum, L’Her. Abundant about Fort Pierre, &c., and all along the Missouri. 
Ribes aureum, Pursh. With the last. 
Ribes rotundifolium, Michx. Niobrara river, June 5th. 
Ribes Missouriense , Nutt. Only a variety of the last. 
CUCURBIT ACEiE. 
Echinocystis lobata, Torr. & Gray. Durion’s hills, on the Missouri. 
CRASSULACEriE. 
Sedum stenopetalum, Pursh. Laramie mountains. 
Penthorum sedoides , Linn. In wet places. Platte valley; Loup*fork. 
SAXIFRAGACEAE. 
Heuchera hispida, Pursh. Fort Pierre to Yellowstone. 
Heuchera Americana, Linn. Not rare in woody places along the Missouri. 
Heuchera Richardsonii, R. Brown. Black hills. 
HAMAMELACEriE 
Hamamelis Virginica, Linn. Abundant in limestone woods along the Missouri to 
mouth of the Platte river. 
UMBELLIFERiE. 
Sanicida Canadensis, Linn. Bellevue, N. T. June 20th. 
Sanicula Marilandica, Linn. Council bluffs to Fort Mandan. 
Slum lineare , Michx. Moist places from the mouth of the Missouri to mountains. 
Sium angustifolium, Linn. Council bluffs. 
Thaspium barbinode, Nutt. Rich woody places along the Missouri. 
Thaspium aureum, Nutt. Near Council bluffs. 
Gicuta maculata, Linn. Sargent’s bluffs, Mandan village, &c. 
Gymopterus glomeratus , D. C. Mouth of White river, and Bad Lands. 
Cymopterus montanus , Nutt. Bad Lands. 
Peucedanmn foeniculaceum, Nutt. Common on high prairies around Council bluffs, 
u Peucedanum carmfolium, Torr. & Gray. Niobrara river. 
Peucedanmn nudicaule, Nutt. White river valley; in flower about the middle of April. 
Osmorrhiza longistylis, D. C. Council bluffs to Niobrara. 
Osmorrhiza brevistylis, D. C. Council bluffs. 
Musenium divaricatum , Nutt. Fort Pierre, Bad Lands, &c. 
Leptocaulis patens, Nutt. Loup Fork. 
ARALIACEiE. 
Ardlia nudicaulis , Linn. Bellevue, N. T. 
vol. xii.—25 
