112 J/egetahle Staticks. j 
fizafFold poles, or two long iron fpikcs drovd 
into the wall. 
Before I proceed to give an account of 
the rife and fall of the fap, in the tubes, I 
will firfl: defcribe the manner of cement- p 
ing on the brafs-collar by to the ftem of the | . 
Vine in which I have been often difappoirit- ! 
ed, and have met with difficulties 5 it muft j > 
.therefore be done with great care. 
Where I defign to cut the ftem, I firft ! 
pick off all the rough ftringy bark careful- 
ly with my nails to avoid making any wound 
thro' the green inner bark 5 then I cut off 
the branch at /, (Fig. 21,) and immediately 
draw over the ftem a piece of dried ftieeps- ; 
gut, which I tye faft, as near the end of the . 
ftem as I can, fo that no fap can get by its 
the fap being confined in the gut i f: Then 
I wipe the ftem at i very dry with a warm 
cloth, and tye round the ftem a ftiff paper 
funnel x /, binding it faft at x to the ftem j 
and pinning clofe the folds of the paper from 
a; to /: Then I Aide the brafs collar rover 
the gut , and immediately pour into the pa- 
per funnel melted brickduft cement, and 
then fet the brafs-collar into it j which col- 
lar is warmed, and dipped before in the ce- 
ment s 
