. Outlines of plant life : with special reference to form and function . Botany. D^* Fig. 2. Fig. 3. Fig. 2.—A cell from the interior of the leaf of the oat, showing its wall, and some inclusions of the protoplasm, z, the nucleus; c, chloroplasts; o, an oil-drop. Mag- nified about 1000 diam.—After Zimmermann. Fig. 3.—Part of the cell contents of an inner cell of white potato, z, nucleus ; j, starch grains, each having been formed by a leucoplast, /, which is still attached to one side of the grain; A, crystalloid. Magnified about 1000 diam.—After Zimmermann. formed by the protoplasm. In green


. Outlines of plant life : with special reference to form and function . Botany. D^* Fig. 2. Fig. 3. Fig. 2.—A cell from the interior of the leaf of the oat, showing its wall, and some inclusions of the protoplasm, z, the nucleus; c, chloroplasts; o, an oil-drop. Mag- nified about 1000 diam.—After Zimmermann. Fig. 3.—Part of the cell contents of an inner cell of white potato, z, nucleus ; j, starch grains, each having been formed by a leucoplast, /, which is still attached to one side of the grain; A, crystalloid. Magnified about 1000 diam.—After Zimmermann. formed by the protoplasm. In green plants when first formed it consists chiefly of cellulose^ with which, as it grows older, various other substances may be mixed. Some of these. A B c Fig. 4.—A, chromoplasts from flower leaves of an orchid \ B, from the root of carrot; C, from the fruit of mountain-ash. Embedded in the protoplasmic body of the chromoplast are sometimes proteid crystalloids, /, pigment-crystals, J", or starch- grains, s. Magnified about 1000 diam —^After Schimper. are present even in the young wall, and may increase with age; others are characteristic of special changes which the wall may 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 Barnes, Charles Reid, 1858-1910. New York : Henry Holt and Company


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Keywords: ., bookcentury1900, bookdecade1900, booksubjectbotany, bookyear1900