THE SHRINKING AND SWELLING SEED 201 



TABLE SHOWING THE PROPORTIONAL WEIGHT, ETC. continued. 



* The collection of water under the coats seriously affects the regime of the 

 wrinkled seed. 



I will take the seed of Entada scandens to illustrate the illustration 

 employment of the data in the above table for determining ^e 

 the shrinking and swelling regime of a seed. All that is the table 

 required are the shrinking and swelling ratios of the entire 

 seed and the proportional weight of parts in the three 

 conditions of the seed, the pre-resting, the resting, and the 

 swollen state. The ratios are given in two ways, one where 

 the weight of the resting seed is taken as i, the other where 

 that of the pre-resting seed is taken as 100, the first 

 method being required for purposes of comparison when, 

 as often happens, the data for the swelling process are alone 

 available. 



