Sect. II. Agriculture and Vegetation. 131 



in my opinion, conftitute the vegetable nou- 

 rifhment. * 



THIS eafily appears, when we confider, 

 i . That feveral kinds of nourishment, fuch 

 as leather, hair, horn-fhavings, rags, and 

 all vegetables, and vegetable juices, in an 

 intire ftate, prove proper food for vegetables. 

 2. That all vegetables and vegetable juices 

 afford thofe very principles, and no other, 

 by all the chymical experiments which have 

 yet been made on them with or without 

 fire. More arguments could be brought; 

 but thefe two I think conclufive. 



AIR active and fixed is to be had every 

 where, if we are not at much pains to ex- 

 clude it. Elementary fire is to be found in 

 all bodies. Earth may be fupplied by any 

 foil managed with proper care. Water 

 drops from the clouds. Oil is a natural 

 principle of all earth, defcends with the 

 rains and fnows, and is communicated to 

 the ground by all the vegetable and animal 

 K 2 manures^ 





