No. 624] INHERITANCE OF HULL-LESSNESS 



23 



kernels per plant determined as before. The three fam- 

 iles gave the following distribution: 



From these distributions it is clear that the percentage 

 of hulled kernels on the parent form influences the 

 amount of the hulled condition. The average percentage 

 of the offspring in each case agrees closely with that of 

 the parent forms. 



From these three families several plants differing in 

 their percentage values were selected to continue the 

 study in the fourth generation. As observed from the 

 frequency distribution just given it is noted that series 

 7 is of high value, while 8 is relatively low and 9 varies 

 from very low to high. The plants selected then in gen- 



