NATURAL CROSSES AND PURE TYPES OF WHEAT 



1. At right, head of a pure variety segregated from a cross between Turkey (winter) 

 and a Fife. At left, a natural hybrid between this variety and Bluestem which was found 

 in a row grown from an individual plant. 



2. Pure type of Preston at right and natural hybrid at left. One such cross was found in a 

 row of forty plants all of which were the progeny of a single plant selected the previous year. 

 (Fig. 14.) 



