. Plant life and plant uses; an elementary textbook, a foundation for the study of agriculture, domestic science or college botany. Botany. LEAVES 53 grass stems are fed to stock. As to the contribution of stems to clothing, linen is the most important item. Linen is principally composed of fibers derived from the stems of a plant called flax. Rubber is another important product of stems. It is derived from the milky juice of certain tropical trees. This juice in appearance is like the juice of the common milkweed. 17. Leaves. — Often you have had a leaf in your hand. You have noticed the stem
. Plant life and plant uses; an elementary textbook, a foundation for the study of agriculture, domestic science or college botany. Botany. LEAVES 53 grass stems are fed to stock. As to the contribution of stems to clothing, linen is the most important item. Linen is principally composed of fibers derived from the stems of a plant called flax. Rubber is another important product of stems. It is derived from the milky juice of certain tropical trees. This juice in appearance is like the juice of the common milkweed. 17. Leaves. — Often you have had a leaf in your hand. You have noticed the stem-like part. That is the petiole. You have noticed the broad green part. That is the blade. You have noticed that the blade is supported by a sort of fine frame- work. That framework is composed of what are called the veins. The largest vein, if there is a largest, is the midrib. (See Figure 7.) Extensions of the veins run from the leaf down through the stem of the plant clear to the ends of the roots. Inside the stem and the root these exten- sions are known by other fig. 7 names than veins, but they have the same structure. The veins and their extensions form the paths along which movement inside the plant principally occurs. On the. Leaf of poplar showing petiole, blade, veins, and midrib. Also a bud in the 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 Coulter, John G. (John Gaylord), b. 1876. New York, American Book Co
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
