. Nature-study; a manual for teachers and students. Nature study. 3o6 NATUR]':-STUDY duels. Outside of llie tu1:)ular part of tlie stem is the baric, not yet hard in young tree slioots and in herbaceous plants. In cornstall^s, hh' stems, palm stems, and grasses, the strands are not thus arranged, but arc found distributed throughout the pithy substance of the stem. If we cut across a twig of a tree that has become .^M Fig. III. Section o[ Com Stalk Showing Fibrovascukir Bundles. ( I'hotonijcro^fraph.) we shall see that the woody part is distinct from the bark on the outside and a pithy
. Nature-study; a manual for teachers and students. Nature study. 3o6 NATUR]':-STUDY duels. Outside of llie tu1:)ular part of tlie stem is the baric, not yet hard in young tree slioots and in herbaceous plants. In cornstall^s, hh' stems, palm stems, and grasses, the strands are not thus arranged, but arc found distributed throughout the pithy substance of the stem. If we cut across a twig of a tree that has become .^M Fig. III. Section o[ Com Stalk Showing Fibrovascukir Bundles. ( I'hotonijcro^fraph.) we shall see that the woody part is distinct from the bark on the outside and a pithy portion at the centre. In the spring the bark can be easily peeled from the wood. This is because there is then a layer of especially thin-walled cells between them which can be easily torn. In making a whistle of willow or basswood, bovs beat upon the bark to crush this laver of cells and thus loosen the bark. It is in this layer, called the growing zone, that the new growth in the thick-. 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 Holtz, Frederick Leopold, 1870-. New York, C. Scribner's Sons
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Keywords: ., bookcentury1900, bookdecade1900, bookpublishernewyorkcscribnerss
