124 UNIVERSITY OF MISSOURI STUDIES [2/2 



440. R. abortivus L. KIDNEY-LEAVED CROWFOOT. 

 Common in low grounds, 5100-9000 (streams at Bloomer- 



ville) ft. (Daniels, 322). 



LABRADOR to SASKATCHEWAN; FLORIDA to COLORADO. 



441. R. micranthus Nutt. SMALL-FLOWERED CROWFOOT. 

 In Bear Canon, 6000-7000 ft. (Daniels, 828). 

 MASSACHUSETTS to SASKATCHEWAN; FLORIDA to COLORADO. 



442. R. sceleratus erexnogenes (Greene) Cockerell. Nov. comb. 

 [R. eremogenes Greene]. WESTERN SWAMP CROWFOOT. 



Along ditches and in swales about Boulder and Marshall; 

 along Four-mile creek in Sunset Canon, 5100-8000 ft. (Dan- 

 iels, 429). 



SASKATCHEWAN to ALBERTA; NEW MEXICO to CALIFORNIA. 



443. R. Macounii Britton. MACOUN'S BUTTERCUP. 



About irrigation ditches in the plains, 5100-5600 ft. (Dan- 

 iels, 236). 



ONTARIO to ALBERTA : IOWA to COLORADO. 



174. HALERPESTES Greene. 



444. H. Cymbalaria (Pursh) Greene [Ranunculus Cymbalaria 

 Pursh; Oxygraphis Cymbalaria (Pursh) Prantl; Cyrtor- 

 rhyncha Cymbalaria (Pursh) Britton]. SEASIDE CROW- 

 FOOT. 



Around ponds and irrigation ditches about Boulder and Mar- 

 shall on the plains, 5100-5700 ft. (Daniels, 255). Also at 

 Ward (Cockerell). Valmont (Coulter in Wabash College 

 Herb.). 



NORTH AMERICA: SOUTH AMERICA: ASIA. 



175. CYRTORRHYNCHA Nutt. 



445. C. ranunculina Nutt. [Ranunculus Nuttallii Gray]. 

 NUTTALL'S BUTTERCUP. 



Rare on the north slope of Green Mt., 6500-7000 ft. (Dan- 

 iels, 369). Near Long's Peak (Porter & Coulter; also Coulter 

 in Wabash College Herb.). 



WYOMING to COLORADO. 



