EXERCISE 13. THE CORN KERNEL 



Equipment: Samples of white, yellow and red corn; 

 a shallow pan. 



Method: Soak the kernels from white, yellow and red 

 ears over night in water. Supply each student with a num- 



—Graiu Cap 

 Fig. 9. — Diagram Showing the Parts of a Grain of Corn. 



ber of grains of each different color, both soaked and dry. 

 After drawing an exterior view showing the groove side, 

 the grains should be cut in sections, and drawings made of 

 cross- and longitudinal sections. The drawings should show 

 the difference in structure of the different parts of the grain. 



26 



