Vegetable Staticks. pi 



branch ; the more the fun was upon it, the 

 fafter 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 thefe 

 Vine-branches were fix'd on the North-fide 

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

 cury then rofe mofi in the evening about 6 o' 

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



Experiment XXIV. 



Augufi 9, at 10 ante Mend, (very hot 

 funmine) I fixed in the fame manner as Ex. 

 22. a Non-pareil branch, which had 20 Apples 

 on it ; it was 2 feet high, with lateral branches, 

 its tranfverfe cut { inch diameter : It imme- 

 diately began to raife the mercury mod vigo- 

 rously, fo as in 7 minutes it was got up to 

 z iz inches high. 



Mercury being 13 | times fpecifically 

 heavier than water, it may eafily be eftima- 

 ted to what height the feveral branches in 



thefe 



