Dodge, Mary Mapes, 1830-1905 · [New York : Scribner & Co.] · leaf 472
TWIG OF THORN-TREE.Shows most thorns pointing downward. very singular and interesting to find that thesebranches, so highly modified in form, . . . differfrom all the other branches of the tree in theirphysiology. AVhat, then, is the usefulness to the tree ofthe strong downward trend of these… … THE COW ATTACKS THE TWIG FROM UNDER SIDE. (Thus the twig is best protected.) Both cuts on this page are from The Plant World. and tongues. But why should donni-pointmgthorns be better than others ? The Her-bivorae whose depredations were of old the reason for the existence of the thorns inCrataegus…
Children's literature
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