UNIVERSITY 



r 



. 



A SYSTEM 



or 



PHYSIOLOGICAL BOTANY 



BOOK IV. 



OF THE PHENOMENA OF VEGETABLE 

 LIFE: 



Jb ROM the analysis of the vegetable structure 

 whether external or internal, and of the primary 

 and constituent principles of which the vegetable 

 is composed, or to which it may be reduced, as 

 exhibited in the several books of the preceding 

 volume, the transition to the subject of the func- 

 tions of the vegetable organs is both natural and 

 easy. It cannot however be said, that the subject 

 ij> itself of easy investigation, embracing as it does 

 tl. phenomena, both physical and chemical, of the 

 whole of the process of vegetation, from the period 



VOL. II. B 



