LESSON XXII 

 WHEAT 



Kinds of wheat. Bread is the " staff of life," and 

 wheat bread is the most important food of the leading 

 nations. It contains so much of 

 the nutritive elements needed by 

 man that it is almost a perfect 

 food. There are many kinds of 

 wheat. Einkorn, spelt, emmer, 

 durum wheat, composite wheat, 

 Polish wheat, and common wheat 

 are some of the most important 

 types. Common wheat, the most 

 extensively grown of the wheats, 

 is divided into spring wheat, and 

 winter or fall wheat. Spring 

 wheat is sown in the spring, while 

 the winter or fall wheat is sown in 

 the autumn. 



Manner of growth. From a 

 central stem beneath the ground WHEAT PLANT 



several tillers or shoots grow into stems. Thus a 

 single grain produces several stalks of wheat, while a 

 grain of corn produces a single stalk. The roots of 

 the wheat are many and fibrous, and the stems are 



B. AND D. AG. ^ 97 



