14s 



lock : studies l\ plant breeding 

 Table 38. 



The general percentage of blue grains in F 2 was 24*6, and 

 the slight increase in the number of blue grains appearing in 

 F r , may perhaps be associated with the different pollen parent 

 employed — flint in P a , dent in F 8 . 



F2. 



Exjit. 66. A number <>f blue" xenia" grains of F, .similarto 

 those employed in Expt. <>"_>. were sown together in an 

 isolated Bpol and the plants allowed freely to pollinate one 

 another. In this case the variations in the number of blue 

 L'i;iin appearing on different plants is of smaller interest 

 because -he pollen of the whole number was mingled. 



