Bui. 53, Bureau of Plant Industry, U. S. Dept. of Agriculture. 



PLATE VIII. 



FIQ. 1. FOREST OF OLD DATE PALMS AT 

 BISKRA, ALGERIA, SHOWING ARAB POL- 

 LINATING FLOWERS. 



FIG. 2. ARAB POLLINATING A DATE PALM 

 RAMLEY, EGYPT, USING A ROPE AND 

 BROAD BELT IN CLIMBING. 



FIG. 3. ARABS DEMONSTRATING THE POL- 

 LINATION OF THE DATE PALM. SPRIG OF 

 MALE FLOWERS BEING INSERTED. 



FIG. 4. CLUSTER OF FEMALE FLOWERS 

 BEING TIED TOGETHER TO HOLD THE 

 SPRIG OF MALE FLOWERS IN PLACE. 



