Dodge, Mary Mapes, 1830-1905 · [New York : Scribner & Co.] · leaf 849
inthe roots and so keep the tree alive duringthe long winter days when no nourishmentis being taken from the ground. The leaf is now no longer of any use in itsoriginal position, and the tree has alreadyprepared for the inevitable separation. Adouble layer of cells, called the separationlayer, has… … and branch is so weakened that the gentlestpressure brings about its fall. When this happens, the cell layer divides,one sheet of cells remaining to heal thewound that would otherwise be left in thebranch, while the other flutters to earthattached to the leaf-stem. It is curious to note that some…
Children's literature
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