114 DISEASES OF FIELD & GARDEN CROPS. [CH.XVIII. 



the size of the grains of wheat, making the process of 

 sifting an easy one. Of course all galls should be care- 

 fully gathered together and burnt, for under any circum- 

 stances such growths and their contents are unpleasant 

 objects to be ground with corn as food. As the little 

 animals inside the galls can live, under favourable circum- 

 stances, in a deathlike state for more than a quarter of 

 a century, galls should never be stored with corn or 

 planted. 



