OF THE UPPER MISSOURI. 
211 
G. fistucacea , Schk. Missouri, below Fort Pierre. 
C. scoparia , Schk. Common over East Nebraska. 
G. tenera , Dew. Missouri, below Fort Pierre. 
61 leporina , Linn. Credited before to the Arctic Regions, and not very common. 
61 petasata , Dew. Upper Missouri, collected first in Arctic America, and is abundant in 
Nebraska. 
C. /estiva? Dew. (Too old to decide.) Near Fort Leavenworth. 
6. curta , Good. Yellowstone river. 
61 obtusata , Lily. Long known in Europe, and found on the Rocky Mountains and in 
Nebraska. 
61 grisea, Walk. 
C. laxiflora , Schk. Fort Leavenworth. 
61 arctata, Boott. Missouri, near Fort Pierre. 
C. Meadi , Dew. In Michigan, and now in Nebraska. 
61 eburnea, Boott. Missouri river. 
61 Grawei , Dew. Missouri river. 
61 Steudeli, Kunth. Missouri river. First found in Ohio. 
61 Davisi, Torrey. Yellowstone river. 
61 Shortiana , Dew. Kentucky, and in Nebraska. 
61 marginata , Muh. Missouri, near Fort Pierre, as figured by Schk. 
61 hystricina, Willd. Eagle-nest creek. 
01 laxiflora , Lam., not of Schk. O. (triceps, Schk., and of American authors for years. 
Near Fort Clark. 
O. blanda, Dew. O. conoidea , Muh. Near Fort Clark. 
O. aristata R., Br. Abundant at the “ Bad Lands.” 
var., longo-lanceolata , Dew. The scale as long as and often longer than the fruit, 
narrow. “ Bad Lands.” 
O. lanuginosa , Michx. On the Yellowstone. 
0. riparia , Good. Along the Missouri. 
G. vesicaria, Linn. Along the Missouri. 
O. lacustris, Willd. Common on the Weters. 
61 longirostris , Tor. Along the Missouri. 
6. piliformis , Good. Eagle-nest creek. 
61 ampidlacea , Good. Along the Missouri. 
6. monile, Tuckerman. Along the Missouri. 
61 utriculata , Boott. Abundant along streams. 
61 tricliocarpa , Muh. Along the Missouri. 
