. The power of movement in plants . Plants; Botany. CiulS Vll. SLEEP OF LEAVES. 393 diiriiig 24 h. (Fig. 167). The leaf fell from the early morning till , and then rose till 6 , when it was asleep. A Fig. A. U. Marsilea quadrifolia/a: A, leaf during the day, seen from yertically above ; B, leaf beginning to go to sleep, seen laterally; C, the same asleep. Figures reduced to one-half of natural scale. vertically dependent glass filament was now fixed to one of the terminal and inner leaflets; and part of the tracing in Fig. 167, after 6 , shows that it continued to sink,


. The power of movement in plants . Plants; Botany. CiulS Vll. SLEEP OF LEAVES. 393 diiriiig 24 h. (Fig. 167). The leaf fell from the early morning till , and then rose till 6 , when it was asleep. A Fig. A. U. Marsilea quadrifolia/a: A, leaf during the day, seen from yertically above ; B, leaf beginning to go to sleep, seen laterally; C, the same asleep. Figures reduced to one-half of natural scale. vertically dependent glass filament was now fixed to one of the terminal and inner leaflets; and part of the tracing in Fig. 167, after 6 , shows that it continued to sink, making one zigzag, until At on the following morning, the leaf was awaking, and the filament pointed above the vertical glass. 6° 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