Vegetable Staticks. 99 



tube: And if thefe wounds (thro* which the 

 air always iffued plentifully) were well co- 

 vered with fheeps gut, bound over with 

 packthread, it would in a good meafurs 

 prevent the inconvenience : But I always 

 found that my experiments of this kind 

 fucceeded belt, when that part of the branch 

 which was to enter the tube r i, was clear 

 of all knots or wounds; for when there 

 were no knots, the liquor paffed moft free- 

 ly, and lefs air iffued out. 



The fame day I fixed in the fame man- 

 ner a gage to an Aprkot-tree ; it raifed the 

 mercury three inches; and tho' all the water 

 was foon imbibed, yet the mercury role 

 every day an inch, for many days, and fub- 

 fided at night; fo that the branch muff 

 daily imbibe thus much air, and remit it at 

 night. 



Experiment XXX. 



We have a further proof of the influence 

 of the leaves in railing the fap in this fol- 

 lowing Experiment. 



Augujl 6th, I cut off a large Rujfet 

 Pippin a, (Fig. 15.) with a ftalk 1 + | inch 



l9 n g, £ n d 12 adjoining leaves g growing to 

 it. 



H 2 I ce- 



