. The power of movement in plants . Plants; Botany. 234 CIECUMNUTATION OF LEAVES. Chap. IV As tho evening rise and the early inoming fall were unusually large, the angle of the petiole above the horizon was measured at the two periods, and the leaf was found to have risen 19"> Fig. 100. ITi&'^l. 4:4ff'».m.# ''^ Vicia faba; circumnutation of leaf, traced from July 2nd tc 4th. Apex of the two terminal leaflets 7| inches from the vertical glass. Figure here reduced to two-thirds of original scale. Temp. 17°-18° C. between and ,
. The power of movement in plants . Plants; Botany. 234 CIECUMNUTATION OF LEAVES. Chap. IV As tho evening rise and the early inoming fall were unusually large, the angle of the petiole above the horizon was measured at the two periods, and the leaf was found to have risen 19"> Fig. 100. ITi&'^l. 4:4ff'».m.# ''^ Vicia faba; circumnutation of leaf, traced from July 2nd tc 4th. Apex of the two terminal leaflets 7| inches from the vertical glass. Figure here reduced to two-thirds of original scale. Temp. 17°-18° C. between and , and to have fallen 23° 30" between the latter hour and on the following morning. The main petiole was now secured to a stick close to the base. 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 Darwin, Charles, 1809-1882; Darwin, Francis, Sir, 1848-1925. New York : D. Appleton
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Keywords: ., bookcentury1800, booksubjectbotany, booksubjectplants, bookyear18
