269] FLORA OF BOULDER, COLORADO 121 



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- 

 taUiana Gray]. American pasque flower. 



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

 219). Also Sugarlcaf, 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. 

 Pink 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. 



