CONTRIBUTIONS FROM THE NEW YORK BOTANICAL 



GARDEN-No. 151 



STUDIES 01 THE ROCKY MOUNTAIN 



FLORA -XXVI 



By PER AXEL RYDBERG 



NEW YORK 

 1912 



Reprinted, without change of paging, from the Bulletin of the Toreey Botanical Club 



39: 99-111. 13 Ap 1912 



