2^8 The Natural Hiftory Part Vt^ 



laftly when, in the following Months, 

 April and May^ the Sun is further adS' 

 vaoc'd, and (to fpeak in the Phrafe of 

 the Vulgar, which I choofe ail along 

 for the fake of plainnefs ) hath gained 

 a greater ftrength, the Heat becomes 

 too powerful and boifterous for them ; 

 it now mounting up the Terreftrial 

 Matter with fuch force and rapidity^, 

 that the Plants cannot affume that 

 part of it which is proper for their 

 Nouriftiment, as it paffeth through 

 them^ nor incorporate it with them, 

 as before they were wont when it 

 pafs'd more gently andleifiirely. Nay 

 the Heat at length grows fo great, 

 that it again diffipates and bears off 

 thofe very Corpufcles which before it 

 brought ; the Parts of thefe Plants be* 

 ing very tender, as confifting of Cor^ 

 pufcles which are extremely irnall and 

 light, and therefore the more eafily 

 diffipable. So that then thefe Plants 

 dye away, Ihrink down again into the 

 Earth, ^nd all, fave only their Roots 

 and Seeds, vanifh and dilappear. Buc 

 when the Sun's Heat is thus far ad- 

 vanced, 'tis but jo ft come up to the 

 pitch of ano^ther Sett of Vegetable? : 



