OF THE UPPER MISSOURI. 183 
Vesicaria ludoviciana, D. C. Sterile hills, Fort Pierre and Yellowstone. 
Vesicaria alpina, Nutt. Same as preceding. 
Vesicaria didymocarpa, Hook. Bad Lands. 
Sinapis nigra, Linn. About old houses and cultivated fields, Council bluffs and Fort 
Pierre. 
Capsella bursa-pastoris, Linn. Same as preceding. 
Draba micrantha, Nutt. Bad Lands. 
Draba Caroliniana, Walt. Council blufts. 
Draba brachycarpa, Nutt. Lower Missouri. 
Lepidium ruderale, Linn. Along Missouri to mountains. 
Lepidium Virginicum, Linn. Fort Pierre and Yellowstone. 
Lepidium intermedium, Gray. Bad Lands of the Judith, Blackfoot country. 
Thelypodium integrifolium. Very abundant near saline lakes in sand hills of Loup fork. 
CAPPARIDACE. 
Cleome integrifolia, Torr. and Gray. Bad Lands, Fort Union, Yellowstone, Bad 
Lands of Judith, Platte valley, Fort Laramie. Not a generally diffused plant, 
but growing abundantly in localities. 
Polanisia uniglandulosa, Gray. First seen on gravelly hills about Fort Pierre; also 
on Loup fork. 
Cristatella Jamesti, Torr. and Gray. Gravelly hills on Loup fork, August Ist. 
VIOLACE. 
Viola palmata, Linn. Fort Pierre. 
Viola cucullata, Sit. Fort Pierre. 
Viola Nuttallii, Pursh. Bad Lands. 
Viola Canadensis, Linn. Fort Pierre. 
Viola tricolor, Linn. Council bluffs. 
Viola delphinifolia, Nutt. Prairies around Council bluffs. 
CISTACEZ. 
Helianthemum Canadense, Michx. Black hills, August 24th. 
Lechea major, Michx. Sand hills, Loup fork. 
Lechea minor, Lam. e 2 
CARYOPHYLLACE. 
Silene Drummondi, Hook. Loup fork. 
Silene antirrhina, Linn. Council bluffs. 
Silene stellata, Ait. Dixon’s bluffs. 
Alsine Michauaxi, Fenzl. Mouth Big Sioux. 
Cerastium nutans, Raf. White river, Bad Lands. 
VOL. X11.—24 
