Vegetable Staticks. 129 



I repeated this Experiment with a large 

 "Duke-Cherry branch, but could not perceive 

 more moifture at the upper, than the lower 

 part of the gap, which ought to have been, 

 if the fap deicends by the laft year's wood 

 or the bark. 



It was the fame in a Quince-branch as 

 the "Duke Cherry. 



N. B. When I cut a notch in either of 

 thefe branches, 3 fcet above r, at q, I could 

 neither fee nor feel any moifture, notwith- 

 standing there was at the fame time a great 

 quantity of water palling by : for the branch 

 imbibed at the rate of 4, 3 or 2 inches per 

 minute, of a column of water which was 

 half inch diameter. 



The reafon of which drynefs of the notch 

 q is evident from Experiment n, viz, 

 becaufe the upper part of the branch above 

 the notch imbibed and perfpired 3 or 4 

 times more water, than a column of 7 

 feet height of water in the tube could im- 

 pell from the bottom of the flem to q, 

 which was 3 feet length of ilem 5 and con- 

 sequently, the notch muft neceffarily be 

 dry, notwithstanding fo large a ftream of 

 water was palling by 5 viz, becaufe the branch 

 K and 



