THE SHRINKING AND SWELLING SEED 211 



TABLE GIVING THE SWELLING RATIOS OF THE COATS AND KERNELS 

 OF SEEDS, THE WEIGHT IN THE RESTING STATE BEING TAKEN AS i. 



(The ratios are arranged in order, the largest being placed first. Permeable seeds 

 are marked P., variable seeds V., and impermeable seeds I. Leguminous seeds are 

 denoted by L.) 



disturbing causes, and, speaking generally, they tend to play a 

 neutral part in the matter. This relative independence of the. 



