WHEAT 23 



side by a flowering glume; inside of this is the palea. There 

 may be one or more sterile flowers in the spikelet which did 

 not develop into kernels of wheat. 



GERM 



STARCH 

 CBLLS 



FIG. 4. KERNEL OF WHEAT 



Remove all the spikelets from a head of wheat. Draw the 

 racMs. Draw a grain with its chaffy parts opened, and label 

 the palea, the grain, the flowering glume, and the outer glume. 



Count the grains in one spike of wheat. Find average of 

 all grains counted in the different heads by the class. Are 

 there any empty glumes in your spike of wheat ? What may 

 have caused empty glumes? 



3. Wheat samples report. Provide each student with 

 100 grains of wheat as a sample. Copy the following report 

 card in your notebook, and fill out properly from your obser- 

 vation of the sample of wheat given : 



REPORT CARD 



WHEAT 



Name 



No. Sample. 

 Variety 



