VEGETABLE PHYSIOLOGY. 193 



and botany ; and I shall have, succeeded in my 

 object, if I induce you to think on the subject; 

 you must, however, seek elsewhere for more 

 detailed instruction. 



If you should pay some attention to vegeta- 

 ble physiology, I think you would derive much 

 amusement from merely seeing and under- 

 standing the reason of the different operations 

 that are daily taking place in a garden. 



Vegetable physiology is not, like botany, a 

 mere classification of plants, and determination 

 of their names : it is the science which makes 

 one acquainted with their internal and external 

 structure, their nature, habits, properties, man- 

 ner of growing, and the functions, or duties, of 

 their different organs : we learn from it, how the 

 hard and apparently dry seed, -on being placed 

 in the ground, begins to germinate, or bud 

 forth; and the reason why this process takes 

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