BUREAU OF PLANT INDUSTRY. 



Beverly T. Galloway, Chief of Bureau. 



SEED AND PLANT INTRODUCTION AND DISTRIBUTION. 



SCIENTIFIC STAFF. 



A. J. Pieters, Botanist in Charge. 



W. W. Tracy, Sr., Special Agent. 



S. A. Knapp, Special Agent. 



David G. Fairchild, Agricultural Explorer. 



John E. W. Tracy, Expert. 



George W. Oliver, Expert. 



