Vegetable Staticks. 83 



The mercury rofe much more leifurely in 

 thefe experiments, than with the Apple-tree 

 branchi the mere the fun was upon it, the fat 

 ter and higher the mercury rofe, but the Vine- 

 branches could not draw it above 4 inches 

 the firft day, and 2 inches the third day. 



And as the fun fet, the mercury fometimes 

 fubfided wholly, and would rife again the 

 next day, as the fun came on the Vine- 

 branch. 



And I obferved, that where fome of theft 

 Vine-branches were fix d on the north fide 

 of the large trunk of a Pear-tree, the mer= 

 cury then rofe moil in the evening about 6 a 

 clock, as the fun came on the Vine-branch, 



Experiment XXIV, 



Auguft 9, at 10 ante Merid. (very hot fun- 

 fhine ) Ifixed in the fame manner as Exp. 22, 

 a Non-pareii branch, which had 20 Apples 

 on it \ it was 2 feet high, with lateral bran- 

 ches, its tranfverfe cut f inch diameter : It 

 immediately began to raife the mercury moil 

 vigoroufly, fo as in 7 minutes it was got 

 up to z 1 2 inches high, 



G % Mer- 



