



i 1 





14 Vegetable Statlcks. 



ving probably only a progrefllvc and not i 

 circulating motion, as in animals. 



Since then a plentiful perfpiration is 

 found fo neceffary for the health of a plant 

 or tree, 'tis probable that many of their dis- 

 tempers are owing to a ftoppage of this 

 perfpiration, by inclement air. 



The perfpiration L in men is often flopped 

 to a fatal degree ; not only by the incle- 

 mency of the air, but by intemperance, and 

 violent heats and colds. But the more tem- 

 perate vegetable's perfpiration can be flopped 

 only by inclement airj unlefs by an un- 

 kindly foil, or want of genial moifture it is 

 deprived of proper or Sufficient nourifliment. 

 As Dr. Keill obferved in himfclf a con- 

 fl.icrable latitude of degrees of healthy per- 

 fpiration, from a pound and half to 3 pounds 5 

 1 have alfo obferved, a healthy latitude of 

 perfpiration in this Sun-flower, from Sixteen 

 to twenty eight ounces in twelve hours day. 

 The more it was watered, the more plenti- 

 fully itperfpired, {cateris paribus) and with 

 fcanty watering the perfpiration much abatcd a 



Experiment II. 



Erom July id. to Aug. z d. I weighed 



for 



