Tree Sttidy 



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veins, edges, color and texture above and below. Are the edges ruffled as 

 well as toothed? Is the leaf heavy ? If a breeze comes along how would it 

 affect such a heavy, broad leaf on such a slender, thin petiole? Blow 

 against the leaves and see how they move? Do you understand, now, why 

 they twinkle ? Can you see why the leaves shed smoke and dust, when used 

 for shading city streets ? 



8. Why is the cottonwood used as a shade tree? Do you think it 

 makes a beautiful shade tree ? How long does it take it to grow ? What 

 kind of wood does it produce ? For what is it used ? 



Supplementary reading — Trees in Prose and Poetry, pp. 139-149. 



The growing fruit of the cottonwood. 



Photo by Cyrus Crosby 



