CHAPTER III. 
THE ROOT. 
EXERCISE XXII. 
Tap-Roots and Fibrous Hoots . 
From underground steins we pass to the study of 
roots. The different forms they assume are easily 
remembered, and when you have studied them in 
connection with the following two exercises of this 
Fi«. 123. 
Tap-root. 
Fig. 124. 
Fibrous Root. 
short chapter, you will be able to give a full and 
precise description of the root, stem, and leaves of a 
plant. They are the vegetative organs of plants, and 
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