No. 566] INHERITANCE IN EARS OF MAIZE 



99 



these red ears were self -pollinated and two were crossed 

 with pure white-eared plants. The results in F 2 and F 3 

 were as follows: 



The above is approximately what would have been ex- 

 pected, had the F x red ears that arose from self-polli- 

 nated, homozygous, variegated-eared plants been pro- 

 duced by a cross between red-eared and variegated-eared 



Of the Fj reds arising from self-pollinated, heterozy- 

 gous, variegated-eared plants, nine were selfed and two 

 were crossed with whites. The results secured in F 2 and 

 F 3 follow: 



From the above it appears that the F x red ears, arising 

 from self-pollinated, heterozygous, variegated-eared 

 plants behave in some cases as if they were hybrids be- 

 tween red-eared and variegated-eared races and in other 

 cases as if they were hybrids between red-eared and 

 white-eared races. 



Of the four possible sorts of red-eared " sports" from 

 variegated-eared plants, two remain to be treated. Be- 



