. Plants and their ways in South Africa. Botany; Botany. Groivtli of Roots, Steins, and Leaves 21 more apparent by thrusting into the soil two slender wire rods, one on either side of the stem. Growth Curvature affected by Water.—^\'e have been studying growth curvatures affected by gravity. While the tendency of the main root is downward and that of the. Fig. 29.—Leaves of }'Oung castor-oil plant looking toward the light. stem is upward, both are sensitive to other influences. Food material which roots absorb must be dissolved in water, in search of which they often go a long distance. The ro
. Plants and their ways in South Africa. Botany; Botany. Groivtli of Roots, Steins, and Leaves 21 more apparent by thrusting into the soil two slender wire rods, one on either side of the stem. Growth Curvature affected by Water.—^\'e have been studying growth curvatures affected by gravity. While the tendency of the main root is downward and that of the. Fig. 29.—Leaves of }'Oung castor-oil plant looking toward the light. stem is upward, both are sensitive to other influences. Food material which roots absorb must be dissolved in water, in search of which they often go a long distance. The roots of a tree growing by a stream will reach far out on the side toward the water. Young plants show this 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 Stoneman, Bertha. London, New York, Longmans, Green
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1915
