52 



All these results show how variable the oat plant is both for the same 

 year and for different seasons, and that conclusions drawn from the 

 studies of specimens of one season's growth alone may be quite reversed 

 by a wider examination. 



Many causes, however, influencing the variations in quality have been 

 explained and the field for future investigation made evident. 



EYE. 



Of this cereal, which is of the least importance of any grown in the 

 United States, only 5 samples have been analyzed up to the present 

 time. To supply this deficiency, 56 specimens were collected from the 

 Department correspondents and the principal rye-producing States, at 

 <the same time with those of oats and barley. 



Their sources were as follows : 



