. Science of plant life, a high school botany treating of the plant and its relation to the environment. Botany. i6 Science of Plant Life the cell dies when it is removed, and it is thought to control many of the activities that go on within the cell. The cells. Fig. io. Leaves with prominent stipules: pea, black willow, red clover, Japanese quince, rose. are the structural units of plants. Figure 12 shows how a leaf is built of cells of different sizes and shapes. The cytoplasm makes up the bulk of the living matter of a cell, but in mature plant cells most of the space inclosed by the cell w
. Science of plant life, a high school botany treating of the plant and its relation to the environment. Botany. i6 Science of Plant Life the cell dies when it is removed, and it is thought to control many of the activities that go on within the cell. The cells. Fig. io. Leaves with prominent stipules: pea, black willow, red clover, Japanese quince, rose. are the structural units of plants. Figure 12 shows how a leaf is built of cells of different sizes and shapes. The cytoplasm makes up the bulk of the living matter of a cell, but in mature plant cells most of the space inclosed by the cell wall is occupied by one or more vacuoles or cavities containing the cell sap. This is water with sugars, mineral salts, acids, and other substances dissolved in it. Lying within the cytoplasm are structures called plastids, small bodies that contain food substances and coloring matters. The cell wall. The wall which surrounds the cell is com- posed of a transparent material called cellulose. Its impor- tance lies in the fact that it gives firmness to the cell. It. 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 Transeau, Edgar Nelson, 1875-1960. Yonkers-on-Hudson, N. Y. , World Book Co.
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectbotany, bookyear1921
