. A practical course in botany, with especial reference to its bearings on agriculture, economics, and sanitation. Botany. THE LEAF 183 leaves, too slight to attract attention otherwise, will be made apparent. The positions assumed vary in different plants,. 242 243 244 Figs. 242-244. — Showing the movements of Amaranthus Palmeri: 242, 243, position atsunrise and sunset (heliotropic) ; 244, night position (nyctitropic) half an hour after sunset. (.From photographs by Prof. P. E. Lloyd.) and even in the parts of the same compound leaf; in the kidney bean, for instance, the common petiole turns
. A practical course in botany, with especial reference to its bearings on agriculture, economics, and sanitation. Botany. THE LEAF 183 leaves, too slight to attract attention otherwise, will be made apparent. The positions assumed vary in different plants,. 242 243 244 Figs. 242-244. — Showing the movements of Amaranthus Palmeri: 242, 243, position atsunrise and sunset (heliotropic) ; 244, night position (nyctitropic) half an hour after sunset. (.From photographs by Prof. P. E. Lloyd.) and even in the parts of the same compound leaf; in the kidney bean, for instance, the common petiole turns up at night, while the individual leaflets turn down. One of the common pigweeds {Amaranthus Palmeri, Figs. 242-244) is heliotropic in the day time and nyctitropic at night. 245 246 247. 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 Andrews, Eliza Frances, b. 1840; Lloyd, Francis Ernest, 1868-1947. ed. New York, Cincinnati [etc. ] American book company
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Keywords: ., bookauthorand, bookcentury1900, bookdecade1910, booksubjectbotany
