f/egetahle Staticks, iiy 
Rain and warmth, after cold and dry , 
would make the fap rife all the next day, 
without fubfiding, tho* it would rife then 
flowed: about noon 5 becaufe in this 
cafe the quantity imbibed by the root, and 
raifed from it, exceeded the quantity per- 
fpired. 
The fap begins to rife fooner in the morn- 
ing in cool weather, than after hot days 5 
the reafon of which may be, becaufe in hot 
weather much being evaporated , it is not 
fo foon fupplied by the roots as in cool wea- 
ther, when lefs is evaporated. 
In a prime bleeding feafon I fixt a tube 
25 feet long to a thriving branch two years 
old , and two feet from the ground, where 
it was cut off i the fap flov/ed fo briskly, 
as in two hours to flow over the top of the 
Tube, which was 7 feet abov^ the top of 
the Vine 5 and doubtlefs would have rifen 
higher, if I had been prepared to lengthen 
the tube. 
When at the diftance of 4 or 5 days, 
tubes were affixed to two different branches^ 
which came from the fame ftem, the fap 
would rife highefl: in that which was laft fix- 
ed j yet if in the fixing the fccond tube there 
1 3 was 
