269] FLORA OF BOULDER, COLORADO 12 1 



423. A. cylindrica Gray. LONG-FRUITED ANEMONE. 

 Common in the mesas, thence following the streams in the 



plains, and on the foothills, 5100-8000 ft. (Daniels, 186). 



NEW BRUNSWICK to BRITISH COLUMBIA; NEW JERSEY to 

 ARIZONA. 



424. A. Canadensis L. [A. Pennsylvania, L.] CANADA ANE- 

 MONE. PENNSYLVANIA ANEMONE. 



Common in canons and along streams throughout, except in 

 the higher elevations, 5100-9000 ft. (Daniels, 443). 

 LABRADOR to ALBERTA ; MARYLAND to NEW MEXICO. 



167. PULSATILLA Adans. PASQUE FLOWER. 



425. P. hirsutissima (Pursh) Britton [Anemone patens Nut- 

 talliana Gray] . AMERICAN PASQUE FLOWER. 



Common in open places throughout, 5100-10000 ft. (Daniels, 

 219). Also Sugarloaf, 8500 ft. (Cockerell), and North Boul- 

 der Peak, and Eldora to Baltimore (Rydberg). Long's Peak 

 (Coulter in Wabash College Herb.). 



ILLINOIS to MACKENZIE; TEXAS to WASHINGTON. 



425a. P. hirsutissima rosea (Cockerell) Daniels. Nov. comb. 



PlNK PASQUE FLOWER. 



Boulder (Miss Marie Gill). This rose-colored form is due 

 to some unusual acidity of the sap, not to a difference in the 

 character of the pigment. 



168. CLEMATIS L. VIRGIN'S BOWER. 



426. C. ligusticifolia Nutt. WESTERN VIRGIN'S BOWER. 

 Common among bushes in canons and along streams, ascend- 

 ing for a considerable distance into the mountains along the 

 principal streams, 5100-8000 ft. (Daniels, 155). 



NORTH DAKOTA to BRITISH COLUMBIA; MISSOURI to CALI- 

 FORNIA. 



169. VIORNA Reichenb. LEATHER FLOWER. 



427. V. Jonesii (Kuntze) Rydb. [Clematis Douglasii Jonesii 

 Kuntze]. JONES'S LEATHER FLOWER. 



Scarce in the foothills at Orodell along Boulder Canon, 6000- 

 7000 ft. (Daniels, 723). Near Boulder (Patterson). 

 COLORADO to NEVADA. 



