Sept.i.i92o Fixed Intermediate, hordeuni intermedium Haxtoni 581 



Table I. — Classification of 8y F^ plants and their F3 progeny in a cross between Man- 

 churia and Svanhals barleys according to the nature of their lateral florets — Con. 



GROUP 4, PLANTS WHICH GAVE 6-ROWED AND 2-ROWED BUT NO fNTERMEDIUM SEGRE- 

 GATES 



GROUP 5, PLANTS WHICH GAVE ONLY INTERMEDIUM FORMS 



GROUP 6, PLANTS WHICH GAVE INTERMEDIUM AND 2-ROWED BUT NO 6-ROWED SEGRE- 

 GATES 



