CONTRIBUTIONS FROM THE NEW YORK BOTANICAL 



GARDEN— No. 140 



STUDIES ON THE ROCKY 

 MOUNTAIN FLORA-XXIV 



By PER AXEL RYDBERG 



NEW YORK 



1910 



Reprinted, without change of paging, from the Bulletin of theTorrey Kotanicai. 



CLUB 37: 541-557. 30 N 1910 



