I JO Vegetable Staticks. 
day, and the following night, and till the 
next day at noon, the air all the while if- 
fuing into the water x : I continued it thus 
long in this ftate, that I might be well af- 
fured, that the air niuft pafs in thro* the 
bark, to fupply that great and long flux of 
air at x. 1 then cemented up 5 old eyes in 
the flick, between and w, where little 
fhoots had formerly been, but were now pc- 
rifned, yet the air flill continued to flow 
freely at x. 
It was obfervable in this, and many of 
the Experiments on flicks of other trees, 
that the air which could enter only thro* 
the bark between z and did not ilfue in- 
to the water, at the bottom of the flick, 
only at or near the bark, but thro’ the whole 
and inmoft fubflance of the wood, and that 
chiefly, as I guefs by the largenels of the 
bafes of the hemifphcres of air thro* the 
largeft veffels of the wood ; which obfer- 
vation corroborates Dr. Crew's and Mal- 
pighi's opinion, that they are air veflels. 
1 then cemented upon the receiver the 
cylindrical glafs ^ y, and filled it full of wa^ 
ter, fb as to ftand an inch above the top n 
of the flick. 
The 
