1 86 STUDIES IN SEEDS AND FRUITS 



to contrast them we must look for some other point of difference than 

 that presented by their water-contents. 



(3) It is shown that the permeable and impermeable seed, when 

 their differences are viewed from this standpoint, may be contrasted as 

 respects their water of hygroscopicity, which is least in the impermeable 

 seed and greatest in the permeable seed. 



(4) The lesson of the balance is that the true resting seed has no 

 use for any free water that it holds. 



