Vegetable Statkks . i y t 
Bat the reafon of the abatement of the 
bleeding in this cafe may well be account- 
ed for, from the manifeft proof we have 
in thefe Experiments, that the fap is ftrong- 
ly attraded upwards by the vigorous ope- 
ration of the perfpiring leaves,, and attrad- 
ing Capillaries : But when the bark is cut 
off for fome breadth below the bleeding 
place, then the fap which is between the 
bark and the wood below that disbarked 
place, is deprived of the ftrong attrading 
power of the leaves, &c. and confequently 
the bleeding wound cannot be fupplied fo 
fad with fap, as it was before the bark was 
taken off. 
Hence alfo we have a hint for a probable 
conjedure why in the alternately disbarked 
flicks, 1 1 a a y Fig. 28, 29. the bark fwelled 
more at the upper part of the disbarked 
places than at the lower, viz. bccaufe thofe 
lower parts were thereby deprived of the 
plenty of nourifiiment which was brought 
to the upper parts of thofe disbarked places 
by the ftrong attradion of the leaves on the 
Buds 7, &c. of which we have a further 
confirmation in the ringlet of bark, N°. 13. 
Fig* 29. which ringlet did not fwell or grow 
at either end, being not only deprived ©f 
L 4 the 
