U. S. DEPARTMENT OF AGRICULTURE. 

 BUREAU OF PLANT INDUSTRYBULLETIN NO. 53. 



B. T. (!ALL()\\ AY, Chief ( 



THE DATE PALM 



AND 



ITS UTILIZATION IN THE SOUTHWESTERN STATES, 



WALTER T. SWINGLE, 

 PHYSIOLOGIST IN CHARGE OF LABORATORY OF PLANT LIFK HISTORY. 



VEGETABLE PATHOLOGICAL AND PHYSIOLOGICAL 

 INVESTIGATIONS. 



TSS1KI> A I'KIL L'S, l!>04. 



WASHINGTON: 



G OV K H N M K N T I 1 K I N T I N ( : < ' F 1 I I . 



