





II 









112 



[/"egetahle Staticks. 



fcaffold poles, or two long iron fpikcs drove 1 

 into the wall. 



Before I proceed to give an account of 

 the rife and fall of the fap, in the tubes, I 

 will firft defcribe the manner of cement- 

 ing on the brafs-collar b, to the ftem of the 

 Vine in which I have been often difappoint. 

 ed, and have met with difficulties j it muft 

 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 ; then I cut off 

 the branch at /', (Fig. 2 1 .) and immediately 

 draw over the ftem a piece of dried fheeps- 

 gut, which I tye fail, as near the end of the 

 ftem as I can, fo that no fap can get by it; 

 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; 

 and pinning clofe the folds of the paper from 

 x to / : Then I Hide the brafs collar r over 

 the gut, and immediately pour into the pa- 

 per funnel melted brickduft cement, and 

 then fet the brafs-collar into it s which col- 

 lar is warmed, and dipped before in the ce- 

 ment; 





1 • 



I 





