Dodge, Mary Mapes, 1830-1905 · [New York : Scribner & Co.] · leaf 173
nter. By counting these rings intrees which have been cut down, you may judgeof the number of years which have elapsed sincethey first showed themselves above ground, for thetree adds a new ring or layer to its growth everyyear. Such plants are called exogenous, or :54 HOW PLANTS COME FROM SEEDS.… … FIG. I.—MAGNIFIED SECTIONS, TRANSVERSE AND LONGITUDINAL,OF OUTWARD-GROWING PLANT. older parts outside. This class is entitled endo-genous, which means inward-growing. Did you ever think that the plants not only growbut live? A very different life from ours, to besure, yet resembling it in some…
Children's literature
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