. Fundamentals of botany. Botany. 134 THK VEGETATIVE FUNCTIONS OF PLANTS then placed inside a covered box, to which the light is ad- mitted only through a narrow slit in one side, the stimulus of the one-sided illumination will be followed by a curva-' ture of the root away from the light, and of the stem toward the light, as shown in Fig. Fig. q2.—Mountain palm (Gaussia Sp.), growing on a steep, west-facing cliff. The stems show a phototropic curvature toward the source of most abundant light. (Photo by the author.) The result of the simultaneous stimulation of root and shoot by light an
. Fundamentals of botany. Botany. 134 THK VEGETATIVE FUNCTIONS OF PLANTS then placed inside a covered box, to which the light is ad- mitted only through a narrow slit in one side, the stimulus of the one-sided illumination will be followed by a curva-' ture of the root away from the light, and of the stem toward the light, as shown in Fig. Fig. q2.—Mountain palm (Gaussia Sp.), growing on a steep, west-facing cliff. The stems show a phototropic curvature toward the source of most abundant light. (Photo by the author.) The result of the simultaneous stimulation of root and shoot by light and gravity is illustrated in Fig. 91. 132. Phototropism.—The property of an organ by virtue of which it may detect the direction of the source of incident light rays is phototropism. Organs which respond by a. 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 Gager, C. Stuart (Charles Stuart), 1872-1943. Philadelphia, P. Blakiston's son & co.
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Keywords: ., bookauthorgag, bookcentury1900, bookdecade1910, booksubjectbotany
