. Botany for high schools and colleges. Botany. PROTOPLASM. 3 parasrrapli 37, and Starch, paragraph 69), The thicker the layers of water are, the more watery is the protoplasm, and nee versa. (c) Testa. 1. If a protoplasmic mass is moistened with a solution of iodine, it at once assumes a deep yellow or brown color. 2. If treated with a solution of copper sulphate aud afterward" with potash, it assumes a dark violet Hg. 3.—Parenchyma cells from the central cortical layer of the root of Ft-MUm in imperialUf longitudinal sections. A, very young cells lying closo above the apex of th
. Botany for high schools and colleges. Botany. PROTOPLASM. 3 parasrrapli 37, and Starch, paragraph 69), The thicker the layers of water are, the more watery is the protoplasm, and nee versa. (c) Testa. 1. If a protoplasmic mass is moistened with a solution of iodine, it at once assumes a deep yellow or brown color. 2. If treated with a solution of copper sulphate aud afterward" with potash, it assumes a dark violet Hg. 3.—Parenchyma cells from the central cortical layer of the root of Ft-MUm in imperialUf longitudinal sections. A, very young cells lying closo above the apex of the root, still without cell sap or vacuoles. £, cells of the same description ahout two millimetres above the apex of the root; by the entrance of cell sap the vacuoles s, if, s have been formed. C, cells of the same description about seven to eight mil- limetres above the apex of the root. In all the figures, h, cell-wall; ;?, protopLasm ; A, nucleus ; &&, nucleoli ; 5, vacuoles ; xy. swelling of the nucleus uuder the inila- ence of the water in preparing the specimen. X 500.—After Sachs. 3. Treated with a solution of sugar, and afterwards with sulphuric acid, it becomes rose-red. 4. The presence of protoplasm may he demonstrated in a tissue by the application of various staiuing fluids, as magenta, carmine, 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 Bessey, Charles E. (Charles Edwin), 1845-1915. New York : H. Holt
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectbotany, bookyear1888
