. Elementary botany. Botany. CHAPTER IV. TRANSPIRATION, OR THE LOSS OF WATER BY PLANTS. 68. We should now inquire if all the water which is taken up in excess of that which actuaUv sutSces for turgiditv is used in the elaboration of new materials of construction. We notice when a leaf or shoot is cut away from a plant, unless it is kepit in quite a moist condition, or in a damp, cool place, that it becomes liac- cid, and droops. It wilts, as we say. The leaves and shoot lose their turgidity. This fact suggests that there has been a loss of water from the shoot or leaf. It can be readily seen t
. Elementary botany. Botany. CHAPTER IV. TRANSPIRATION, OR THE LOSS OF WATER BY PLANTS. 68. We should now inquire if all the water which is taken up in excess of that which actuaUv sutSces for turgiditv is used in the elaboration of new materials of construction. We notice when a leaf or shoot is cut away from a plant, unless it is kepit in quite a moist condition, or in a damp, cool place, that it becomes liac- cid, and droops. It wilts, as we say. The leaves and shoot lose their turgidity. This fact suggests that there has been a loss of water from the shoot or leaf. It can be readily seen that this loss is not in the form of drops of water which issue from the cut end of the shoot or petiole. \Miat then becomes of the water in the cut leaf or shoot ?. Fig. 46. To show loss of water from leaves, the leaves just covered. 69. Loss of water from excised leaves.—Let us take a handful of fresh, green, rather succulent leaves, which are free from 35. 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 Atkinson, George Francis, 1854-1918. New York : H. Holt
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