ON TREES AND BIRDS. 



17 



little tubes. Your arm is strong and through it you 

 move your hand and fingers. Now, the tree is a little 

 differently formed ; it has little cells, and the sap comes 

 from the roots through these, and finally reaches the 

 leaf, where a change takes place, and forms what you 

 may call tree blood, if you please. These great arms, 

 the main branches, hold up all this great weight while 

 the leaves are making this new life element, and they 

 hold up the fruit to the fresh air and sunlight to be 

 ripened for your use. Do you not think, then, that it 

 is wicked to destroy the powerful arms of these beauti- 

 ful creatures? 



