80 LABORATORY MANUAL OF AGRICULTURE 



germination. The endosperm is composed of two distinct 

 classes of material': the hard, corneous, and the white, starchy 

 endosperm. About 73 per cent of the entire kernel is endo- 

 sperm. The embryo, also called the germ, is the living part 

 of the corn kernel. It is located near the center and upper 

 side of the kernel. It contains a large percentage of protein 

 and oil. About 10 per cent of the kernel is embryo. 



Equipment. 1. A wash basin. 



2. Kernels of white, yellow, and red corn. 



Directions. Make a drawing showing the germ side 

 of a kernel of corn. Make a drawing of a cross section and 

 a longitudinal section of a kernel of corn. Show in the draw- 

 ings the difference in structure of the different parts of the 

 endosperm. 



Remove the hulls of white, yellow, and red kernels of dent 

 corn that have been soaked in water for one day. Observe 

 the location of color. 



Where is the white color located in white corn ? 



Where is the yellow color located in yellow corn? 



Where is the red color located in red corn ? 



What is the color of the endosperm in red corn? 



