98 



S. Cchiyama. 



Average of three parallel pots. 



The adjoining Plate XXIV, Fig. 2 shows the state of development at 

 that time. 



The plants were harvested Nov. 1 3 with the following result, g. : 



Average of three parallel pots. 



If we now assume the total yield (in the air-dry state) of the pots D to 

 be= 100, we obtain the following ratio : 



