247] FLORA OF BOULDER, COLORADO 99 



113. SALIX L. WILLOW. 



294. S. amygdaloides Anders. PEACH WILLOW. 



Common along streams; the only willow, except the next, 

 of tree size about Boulder, 5100-7000 ft. (Daniels, 90). 



QUEBEC to WASHINGTON; NEW YORK to MISSOURI and 

 ARIZONA. 



295. S. caudata (Nutt.) Piper [S. Fendleriana Anders. ; S. 

 pentandra caudata Nutt.; 5. lasiandra Fendleriana Bebb]. 

 FENDLER'S WILLOW. 



Along streams in mountain canons, 5500 (Boulder creek)- 

 10000 ft. (Daniels, 807). 



ALBERTA to BRITISH COLUMBIA; NEW MEXICO to CALI- 

 FORNIA. 



296. S. exigua Nutt. NARROWLEAF WILLOW. 



Marshall; Valmont; Boulder; South Boulder Canon; near 

 junction of Fourmile and Boulder creeks, 5000-9000 ft. 

 (Ramaley). 



MACKENZIE to WASHINGTON; COLORADO to CALIFORNIA. 



297. S. luteosericea Rydb. SILKY SANDBAR WILLOW. 

 Sandy stream flats in the plains and mesas, 5100-7000 ft. 



(Daniels, 134). 



NEBRASKA to IDAHO and COLORADO. 



2 97/ / 2- S. lutea Nutt. YELLOW WILLOW. 



Redrock lake, 10100 ft. (Ramaley and Robbins). 

 CANADA to COLORADO and CALIFORNIA. 



298. S. Wolfii Bebb. WOLF'S WILLOW. 

 Eldora to Baltimore, 8000-10000 ft. (Rydberg). 

 WYOMING to COLORADO. 



299. S. irrorata Anders. BLOOM-BRANCHED WILLOW. 

 Gregory Canon (E. Bethel). 



COLORADO to NEW MEXICO. 



300. S. perrostrata Rydb. LONG-BEAKED WILLOW. 

 Common in mountain canons, 5500-8600 ft. (Daniels, 811). 

 HUDSON BAY to ALASKA and COLORADO. 



