FLORA 





(c.'^ 



^n 



OF THE 



Q . 



ROCKY 



MOUNTAINS 



AND 



ADJACENT PLAINS 



COLORADO, UTAH, WYOMING, IDAHO, 



MONTANA, SASKATCHEWAN, 



ALBERTA, 



•it 



« 



AND NEIGHBORING PARTS OF 



NEBRASKA, SOUTH DAKOTA, NORTH 

 DAKOTA, AND BRITISH COLUMBIA 





/ 



BY 



P. A. RYDBERG, Ph.D. 



Curator, New York Botanical Garden 



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V9 



NEW YOBK 

 Published hy the Author 



1917 



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