3$z Of Vegetation. 



In the fpring, when the Vines had made 

 fhort (hoots, I dipped the points of the pins 

 in the paint, and then pricked the young 

 fhoot of a Vine (Fig. 41.) with the five 

 points at once, from t top: I then took 

 off the marking inftrument, and placing the 

 loweft point of it in the hole p y the upper- 

 moft mark, I again pricked freili holes from 

 p to /, and then marked the two other points 

 i h > thus the whole fhoot was marked every 

 i. inch, the red paint making every point 

 remain vifible. 



(Fig. 42.) (hews the true proportion of 

 the fame (hoot, when it was full grown, 

 the September following ; where every cor- 

 refponding point is noted with the fame 

 letter. 



The diftance from t to s was not en- 

 larged above 3— part of an inch ; from s to q, 

 the -£ of an inch ; from q to p, f ; from p 

 to 0, f j from to /z, 7-5-; from n to m, k |; 

 from m to /, 1 -j- T ^ of an inch ; from / to /, 

 1 + to inch nearly '> an ^ from i to b t three 

 inches. 



In this Experiment we fee, that the firft 

 joint to r extended very little, it being al- 

 moft hardened, and come near to its full 

 growth, when I marked it: The next joint, 



from 



