12 THE AMERICAN NATURALIST [Vol. LIII 



order to test this out more fully all plants from which 

 good seed could b*e obtained were grown in the following 

 year. The results obtained from these plants showed 

 without doubt that the segregation followed a simple 

 monohybrid ratio. That is, the pure hulled and hull-less 

 plants bred true to these characteristics, while the inter- 



