. Handbook of nature-study for teachers and parents, based on the Cornell nature-study leaflets. Nature study. Tree Sttidy 773 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 shad
. Handbook of nature-study for teachers and parents, based on the Cornell nature-study leaflets. Nature study. Tree Sttidy 773 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. The growing fruit of the cottonwood. Photo by Cyrus Crosby. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Comstock, Anna Botsford, 1854-1930. Ithaca, N. Y. , Comstock Publishing Company
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Keywords: ., bookauthorcomstockannabotsford1, bookcentury1900, bookdecade1910
