8 THE NATURE AND WORK OF PLANTS 



of examination of the plant at work, and consist of 

 observations on the structure of the organs of the 

 plant machine, the things which the plant may do, 

 the way in which it secures food, avoids injury, and 

 accomplishes reproduction. 



An attempt will be made to determine not only 

 the kinds of work a plant may do, but in some 

 instances the opportunity will be taken to measure 

 the amount it may accomplish in the same manner 

 that the capacity of an engine might be noted. 



,rf 



