1&6 Plants. 



has decreed that the total duration o 

 this plant shall be Jimited to an hour, 

 mny have also decreed, that the matura- 

 tion of its seeds, and the com- lotion of a 

 period that to it should be similar to that 

 of our year, should be accomplished i 

 the thousandth part of a second of ou 

 time. 



All plants seem to grow in the sam 

 manner: the genial warmth of the sun 

 the refreshment of the rains, the sam 

 soils appear t--> suit their respective spe 

 cies ; and, ?ha superficial glance, the 

 srem to have the same common parts 

 chemical analysis discovers the same con- 

 stiturnt principles in all, that is to say 

 calcareous earth, oil, water, and air, wit" 

 a portion of iron, to which they ovvethei 

 beautiful colours. Yet, although compo- 

 sed of similar materials, their juices to 

 the eye, and to the taste, appear as vari- 

 ous as their forms. The soporific milk 

 oi the poppv , the acrid but equally milky 

 juice of the spungc, the acid of the sorrel, 

 the saccharine sap of the sycamore and 

 mapie, and the resin of the tribe of pines-, 

 bear no resemblance to each other. 



The inward structure of plants is as 



i 



