SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOLUME 61, NUMBER 12 



POPULUS MACDOUGALII: A NEW TREE 

 FROM THE SOUTHWEST 



(With One Plate) 



BY 



J. N. ROSE 



(Publication 2239) 



CITY OF WASHINGTON 

 PUBLISHED BY THE SMITHSONIAN INSTITUTION 



SEPTEMBER 3, 1913 



