CONTRIBUTIONS FROM THE NEW YORK BOTANICAL 

 GARDEN — No. 160 



STUDIES ON THE ROCKY 

 MOUNTAIN FLORA-XXIX 



PER AXEL RYDBERG 



NEW YORK 

 1913 



Reprinted, without change of paging, from the Bdlletin of the Torrkt Botanical Club 

 40: 461-485. 12 S 1913 



