Aug. 2, 1920 Daily Development of Kernels of Hannchen Barley 41 1 



The dorsoventral diameter continues to increase for a longer period. 

 As may be seen in figure 8, the full growth is attained on the twenty- 

 third day after flowering. The greatest diameters in the early growth 



/ s ^ ^ ^ a ^^ & s /o // /■s ^-^ ^^ 



Fig. 6. — Graph showing average length of barley kernels, including ovary tip, from flowering to near 

 TngTritniiin development in plot i in 1917. Numerals at ends of lines indicate days from flowering. 



are to be found in kernels 8, 9, and 10, as was the case in the length and 

 in the lateral diameter. On the fourth, fifth, and sixth days after flower- 

 ing these kernels are conspicuously in advance of the rest of the spike. 



