oo Vegetable Staticks. 



after catting, lefs pervious, not only for water, 

 but alfo for the fap of the vine, which never 

 paries to and fro fo freely thro* the tranfverfe 

 cut, after it has been cut 3 or 4. days, as at 

 firft ; probably, becaufe the cut capillary 

 veffels are fhrunk, the veficles alfo, and in- 

 terfiles between them, being faturate and 

 dilated with extravafated fap, much more 

 than they are in a natural ftate. 



If I cut an inch or two off the lower 

 part of the ftem, which has been much fa- 

 turated by {landing in water, then the branch 

 will imbibe water again afrem 5 tho' not alto- 

 gether fo freely, as when the branch was firft 

 cut off the tree. 



I repeated the fame experiment as this 

 2 2d, upon a great variety of branches of 

 feveral fizes and of different kinds of trees, 

 fome of the principal of which are as fol- 

 low, viz. , 



Experiment XXIII. 



July 6th and 8 th, I repeated the fame 

 experiment with feveral green fhoots of the 

 Vine, of this year's growth, each of them 

 full two yards long. 



The mercury rofe much more leifurely in 

 thefc experiments, than with the Apple-tree 



branch ; 



