No. 518] 



VARIATION 



69 



Table III. 



the presence of many kernels showing zenia. Table IV, 

 however, showing the hand-pollinated kernels of the inter- 

 bred yellows of the F 2 generation, settles beyond a doubt 

 the fact that the two yellows were present. 



Table IV. 



In a third case an eight-rowed yellow flint, No. 22, was 

 crossed with a white dent, No. 8. Only four selfed ears 

 were obtained in the F 2 generation. Ear 1 had 72 yellow 

 to 37 white kernels. This ear was poorly developed and 

 undoubtedly had some yellow kernels which were classed 

 as whites. Ear 4 had 158 yellow and 42 white kernels. 

 It is very likely that both of these ears were mono-hybrids, 

 but the F, generation was not grown. Ear 5 had 148 

 yellow and 15 white kernels. Ear 7 had 78 yellow and 5 

 white kernels. It seems probable that both of these ears 



