50 



COBN CROPS 



about 1000 seeds, usually all on one ear ; in some varieties, 

 however, two or more ears are produced. 



42. Pollen. — The pollen, or fertilizing element, is pro- 

 duced in the tassels and usually begins falling one to twci 

 days before silking; there is great irregularity in this 



Fig. 19. — The process of fertilization of the corn flower. Each embryonia 

 grain produces a long style or " silk." Each silk must receive one or 

 more pollen grains. 



