po Vegetable Staticks . 
after cutting, lefs pervious, not only for 
water, but alfo for the fap of the vine, which 
never paffes to and fro fo fredy thro' the 
tranfverfe cut, after it has been cut 3 or 4 
days, as at firfl: 5 probably, becaufe the cut 
capillary veflels arefhrunk, the veficlesalfd, 
and interftices between them, being faturate 
and dilated with extravafated fap, much 
more than they are in a natural (late. 
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 afrefii 5 tho* 
not altogether fo freely, as when the branch 
was firfl: cut off the tree. 
I repeated the fame experiment as this 
22d, 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 8th, I repeated the fame 
experiment with feveral green (hoots of the 
Vine , of this year’s growth, each of them 
full two yards long. 
The mercury rofe much more leifurely in 
thefe experiments, than with the Apple-tree 
branch 3 
