ROOTS. 
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5. The screw-pine sends out large roots from 
its stem; I have seen them," said Frank. 
The Screw-pine, with Roots growing from the Stem. 
Quite right/' said his father; ^^and so do 
many of the palms. Now tell me what use the 
roots are to the plant." 
6. To hold the plant fast to the ground, or to 
