THE PROPORTION OF PARTS IN FRUITS 311 



TABLE ILLUSTRATING THE GROWTH OF THE ACORN (QUERCUS ROBUR) 

 AS REVEALED BY THE BALANCE, DURING THE SIX WEEKS PRECEDING 

 ITS DETACHMENT FROM THE CUPULE, FROM OBSERVATIONS MADE 

 BY THE AUTHOR AT SALCOMBE, DEVONSHIRE, IN 1908 AND 1910. 

 (The cupule is not included in these observations.) 



the fresh fruit as 100, the shell makes up 38 and the seed 62 

 parts of the whole. When this fresh acorn is allowed to dry 

 in ordinary air, until it ceases to lose weight and exhibits 

 merely the usual hygroscopic variations regulated by the 



