Grade . 

 Date. . 



EXERCISE 14 



TYPES OF WHEAT 



Object. To acquaint the student sufficiently with the different types 

 of wheat so that they will be readily recognized, either when seen in the head 

 or as threshed grain. 



Material. Specimens of einkorn, emmer, spelt, macaroni, Polish, 

 common smooth and common bearded wheat. Include local varieties 

 of wheat. 



Drawing. Lay out the heads of the seven types of wheat in the order 

 above mentioned from left to right. Sketch each of these in order. 



2. Lay out kernels of each in same order and examine. Draw a cross- 

 section of each kernel, leaving the white starch blank, but indicating vitreous 

 portions by shading with a pencil. Draw four times natural size. 



Description. Certain technical terms are used in describing wheat. 

 Look over the specimens, study the descriptive terms in Productive Farm 

 Crops, Chapter XVI and describe the heads, filling out the following table. 



Descriptive Form for Wheat 



47 



