The Courtship of the Corn 241 



that tripsacum did not remain entirely within the limits of 

 Mexico. 



Since the geneticists have provided our corn with a family 

 tree that stretches back a possible twenty-five thousand years, 

 and with an ail-American ancestry, there is nothing to make 

 it feel abashed in the presence of the cosmopolitan wheat. 

 No truer emblem of pan-American relationships can be found 

 than zea mays, which feeds the three Americas with bread. 



