11 6 P'^egetable Stattcks. 
tinued fo long clouded : But as foon as the 
Sun- beams broke out again, the fap would 
immediately return to its then rifing ftate^, 
juft as any liquor in a Thermometer rifes 
and falls with the alternaeies of heat and 
cold 5 whence 'tis probable, that the plen- 
tiful rife of the fap in the Vine in the bleed- 
ing feafon is effefted in the fame manner. 
When three Tubes were fixed at the 
fame time to Vines on an eaftern, a fouth- 
ern, and a weftern Afpeft, round my porch 5 
the fap would begin to rife in the morn- 
ing, firft in the eaftern-tube, next in the 
fouthern, and laft in the weftern-tube : And 
towards noon it would accordingly begin 
to fubfide, firft in the eaftern-tube, next in the 
fouthern, and laft in the weftern-tube. 
Where two branches arofe from the fame 
old weftern trunk, 15 inches from the 
ground, and one of thefe branches was 
fpread on a fouthern, and the other on a 
weftern Afpeeb; and glafs-tubes were at the 
fame time fixed to each of them 5 the fap 
would in the morning, as the Sun came on , 
rife firft in the fouthern, then in the weftern- 
tube 5 and would begin to fubfide, firft in the I 
fouthern, then in the weftern-tube. 
Rain 
