202 TJie Development of the Grain of Wheat 



R.F. 

 Plot 10 



3 6 9 12 15 18 21 24 27 30 33 36 39 days 



Fig. 5. Actual water contained in 1000 grains, 1907 and 1908. 



% 



2-75 



R F. 



Plot IQ 



Plot 3 

 1908 



12 15 18 21 24 27 30 33 36 39 days 



Fig. 6. % nitrogen in dry matter of grain, 1907 and 1908. The dark line shows the 

 mean curve of the three plots for 1907, and is placed three squares too low for 

 the sake of clearness. 



