. Boys and girls in biology : or, Simple studies of the lower forms of life. Biology. THE FLOWERING PLANT. 49 it. The fluid passes through the little mouths of the sponges into small tubes, or ducts, which carry it up the root and stem to the leaves. If you cut a very, very thin slice lengthwise of the stem, and put it under the microscope, you will see these vessels plainly, because Fig. Stalk of Leaf, cr Petiole. Bundle of Tubes passing out of Stem to make the Little Foot-stalk, or Petiole. Stem. Aik Tubes, showing the Coiled Springs. their walls are all dotted (Fig. 37). There are othe
. Boys and girls in biology : or, Simple studies of the lower forms of life. Biology. THE FLOWERING PLANT. 49 it. The fluid passes through the little mouths of the sponges into small tubes, or ducts, which carry it up the root and stem to the leaves. If you cut a very, very thin slice lengthwise of the stem, and put it under the microscope, you will see these vessels plainly, because Fig. Stalk of Leaf, cr Petiole. Bundle of Tubes passing out of Stem to make the Little Foot-stalk, or Petiole. Stem. Aik Tubes, showing the Coiled Springs. their walls are all dotted (Fig. 37). There are other tubes in the stem, very curiously made, for carrying air. They seem to be filled with little coiled springs, which keep the sides from coming together, just as you may have noticed India-rubber gas-tubing, which has coiled wire inside to keep the tube open (Fig. 38). Some of 3. 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 Stevenson, Sarah Hackett, 1843-1909; Huxley, Thomas Henry, 1825-1895. New York : D. Appleton and company
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectbiology, bookyear1875
