122 UNIVERSITY OF MISSOURI STUDIES [270 



428. v. eriophora Rydb. [Clematis eriophora Rydb.]. Wool- 

 ly LEATHER FLOWER. 



Foothills along Boulder Canon, 6000-7000 ft. (Daniels, 998). 

 Puzzling intermediates between this species and the preceding 

 were found at Orodell. 



Wyoming to Colorado and Utah. 



170. ATRAGENE L. Bell rue. 



429. A. occidentalis Hornem. [A. Columbiana 'Unit.']. West- 

 ern BELL RUE. 



Very scarce in Bear Carion, 6000-7000 ft. (Daniels, 761). 

 Redrock lake loioo ft. (Ramaley & Robbins). 

 Montana to British Columbia; Colorado to Utah. 



171. MYOSURTJS L. Mouse tail. 



430. M. apetalus Gay {M. aristatus Benth.]. Beaked mouse 

 tail. 



In muddy places, Long's Peak, 9000 ft. (Rydberg). 

 Montana to Washington ; Colorado to California : 

 Chili : New Zealand. 



172. BATRACHITIM S. F. Gray., White water crow- 

 foot. 



431. B. aquatile flaccidum (Pers.) Cockerell. Nov. comb. [B. 

 flaccidum (Pers.) Rupr.]. Flaccid-leaved white wa- 

 ter crowfoot. 



Aquatic in a pond at Glacier Lake, 9000 ft. (Daniels, 618). 

 Also at Boulder (Rydberg). Redrock lake, loioo ft. (Rama- 

 ley & Robbins). 



Labrador to Washington; North Carolina to Lower 

 California. 



173. RANUNCULUS L. Crowfoot. Buttercup. 



432. R. reptans L. [R. Flammula repians (L.) E. Meyer]. 

 Creeping crowfoot. 



Common in limose places about Boulder; at Marshall; in 

 Sunset Carion ; aspen and subalpine bogs at Glacier Lake and 



