Vegetable Staitch. 103 



air which is drawn in thro' the roots and 

 fiem. 



From this Experiment we find a conside- 

 rable energy in the root to pufh up fap in 

 the bleeding feafon. 



This put me upon trying, whether I could 

 find any proof of fuch an energy, when the 

 bleeding feafon was over, in order to which 



Experiment XXXV. 



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

 ches of the ground, another Vineow a fouth 

 afped, and fixed to it a tube 7 feet high, as 

 in the foregoing Experiment ■, I filled the tube 

 with water, which was imbibed by the root 

 the firfl: day, at the rate of a foot in an hour, 

 but the next day much more (lowly, yet it 

 was continually finking, fo that at noon day 

 I could not fee it fo much as ftationary. 



Yet by Experiment the 3d, on the Vine 

 in the garden pot, it is plain, that a very 

 considerable quantity of fap was daily pret 

 fing thro* this ftem, to fupply the perfpira- 

 tion of the leaves, before I cut the vine off. 

 And if this great quantity were carried up by 

 H 4 pulfion 



