i to- Vegetable Staticks. 



had of 2 or 3 inches was always after fun- 

 fet; which I fufpect was principally- occa- 

 fioned by the fhrinking and contraction of 

 the cement ac b, as it grew cool. 



When the fun fhined hot upon the Vine, 

 there was always a continued feries of air- 

 bubbles, conftantly afcending from the ftem 

 thro' the fap in the tube, in fo great plenty 

 as to make a large froth on the top of the 

 fap, which fhews the great quantity of air 

 which is drawn in thro* the roots and ftem. 



From this Experiment we find a confide- 

 rable energy in the root to pufh up fap in 

 the bleeding feafon. 



This puc me upon trying, whether I 

 could find any proof of fuch an energy,' 

 when the bleeding feafon was over. In or- 

 der to which, 



Experiment XXXV. 





July 4th, at noon, I cut off within 3 in- 

 ches of the ground, another Vi?7c on a 

 fouth afpecl, and fixed to it a tube 7 feet 

 high, as in the foregoing Experiment: I 

 filled the tube with water, which was im- 

 bibed by the root the firft day, at the rate 

 of a foot in an hour, but the next day much 

 more flowlyj yet it was continually finking, 



fo 



