Vegetable Statich . 99 
tube : And if thefe wounds (thro J which the 
air always iffued plentifully) were well co- 
vered with fhceps gut, bound over with 
packthread, it would in a good meafure 
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 Agricot-tree , it raifed the 
mercury three inches , and tho* all the water 
was foon imbibed, yet the mercury rofe 
every day an inch, for many days, and fub- 
fided at night 5 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. 
Auguft 6th, I cut off a large Rujfet 
\ Tippina , (Fig. 15.) with a ftalk 1 4 - 
long, and 12 adjoining leaves £ growing to 
it. 
Hz I ce ; 
