CONTRIBUTIONS FROM THE NEW YORK BOTANICAL 

 GARDEN— No. 134 



STUDIES ON THE ROCKY 



MOUNTAIN FLORA-XXII 



By per axel RYDBERG 



NEW YORK 

 1910 



Reprinted, without change of paging, from the Bulletin of the Torkbt Botakical 

 Club 37: 313-335. 21 Jl 1910 



