OF THE UPPER MISSOURI. 
211 
01 fistucacea , Schk. Missouri, below Fort Pierre. 
01 scoparia, Schk. Common over East Nebraska. 
(7. tenera , Dew. Missouri, below Fort Pierre. 
01 leporina , Linn. Credited before to the Arctic Regions, and not very common. 
01 petasata , Dew. Upper Missouri, collected first in Arctic America, and is abundant in 
Nebraska. 
0. festival Dew. (Too old to decide.) Near Fort Leavenworth. 
C. cwrta, Good. Yellowstone river. 
01 obtusata , Lily. Long known in Europe, and found on the Rocky Mountains and in 
Nebraska. 
01 grisea , Walk. 
01 Icixiflora, Schk. Fort Leavenworth. 
01 arctata, Boott. Missouri, near Fort Pierre. ' 
01 Meadi , Dew. In Michigan, and now in Nebraska. 
01 eburnea , Boott. Missouri river. 
O. Grawei , Dew. Missouri river. 
0. Steudeli , Kunth. Missouri river. First found in Ohio. 
01 Damsi , Torrey. Yellowstone river. 
01 Shortiana, Dew. Kentucky, and in Nebraska. 
01 marginata, Muh. Missouri, near Fort Pierre, as figured by Schk. 
Cl hystricina, Willd. Eagle-nest creek. 
01 laxiflora , Lam., not of Schk. O. anceps , Schk., and of American authors for years. 
Near Fort Clark. 
01 blanda, Dew. O. conoidea , Muh. Near Fort Clark. 
O. aristata R ., Br. Abundant at the Bad Lands.” 
var., longodanceolata , Dew. The scale as long as and often longer than the fruit, 
narrow. 64 Bad Lands.” 
O. lanuginosa, Michx. On the Yellowstone. 
C, riparia. Good. Along the Missouri. 
O. vesicaria , Linn. Along the Missouri. 
O. lacustris , Willd. Common on the Weters. 
01 longirostris. Tor. Along the Missouri. 
0. piliformis , Good. Eagle-nest creek. 
01 ampullacea , Good. Along the Missouri. 
0. monile , Tuekerman. Along the Missouri. 
01 utriculata , Boott. Abundant along streams. 
01 trichocarpa , Muh. Along the Missouri. 
