1 88 j4n ES SAY on the Procefs Chap, 6. 



the Water ^ in order to its carrying on the 

 M^ork of Vegetation : But how *tis agitated 

 itfelf^ and where the Motion firft ^^^2775, this 

 is no fit ?lace to enquire. 



That the Concourfe of Heat in this Work 

 is really necejfary^ appears, not only from the 

 Experiments before us, but from all Nature : 

 From our Fields and Forejls, our Gardens and 

 Orchards. We fee in Autumn^ as the Sz^tz's 

 P^w^^?* grows gradually lefs and fc/;, fo its 

 FffeBs on P/j77f j is remitted, and their Vegeta- 

 tion Jlackens by little and little. Its failure 

 is firft difcernible in Trees. Thefe arc raifed 

 Jiigheft above the Earthy and require a more 

 hitenfe Heat to elevate the Water, charged 

 with their Nourijhment, to the r(;^^ and £y- 

 iremities of them 5 fo that for want of frejb 

 Support and Nutriment they fhed their Leaves, 

 unlefs fecur'd by a very /r;;/ and /;^r^ Confti- 

 tution indeed, as our Ever-greens are. Next 

 the Shrubs part with theirs^ and then the 

 Herbs and lower Tribes-^ the Heat being at 

 length not fufficient to fupply cvn thefe, tho' 

 fo near the Earth, the iv^;z^ of their NouriJ/j- 

 ment. As the Hi'^r returns the fucceeding 

 Spring, they all recruit again 3 and are fur- 

 nifti'd with freflj Supplies and Verdure, But 

 firft thofe which are lowejl and TZf^r^y? the 

 Earth, Herbs, and they that require a /e^i 

 ^V^r^i? of Heat to raife the Water with its 

 Earthly Charge into them. Then the Shrubs 

 and higher Vegetables in their Turns 5 and 

 iaftly the Trees. As the Heat encreales it 



grows 



