30 



INHERITANCE OF SOME CHARACTERS IN WHEAT. 



glumes, while in the second they were absolutely beardless. In the 

 following paragraphs these two classes are dealt with separately. 



The half bearded F x generation occurred in four crosses between 

 bearded and beardless wheats and the results (Plate II) differ en- 

 tirely from those illustrated by BifTen and Wilson in Vol. 1 of the 

 Journal of Agricultural Science. The four crosses with an interme- 

 diate Fj all broke up in the F 2 into fully bearded, half bearded like 

 the F, and plants with tipped glumes in the ratio 1 : 2 : 1. There 

 was no difficulty in distinguishing these classes which were very 

 distinct the one from the other. The details relating to the 2,836 

 F 2 plants of these four crosses are given in the following table : — 



Table XIII. 



The F 2 generation of crosses between bearded and tipped 



parents. 



