. Elementary botany . Fig. 67. Luxanometer (Oels) for measuring elongation of the stem during grow th. 194. Nutation. 1 luring tl 5( < tion "1 the tem do nol 1 lment on the s< on the other sid< . I hi north. In .1 I- u moments later the cells on the west side are elongating more rapidly, and the stem 1 turned to the east; and ups oi cells in sue- on around the stem elongate more rapidl) than the others. This causes the tem to d< circle or ellipse about .1 central point. Since the re tion of the cell of th< tving t\\ ard ih< in. tin hue oi elongation of the (ells \\ In h


. Elementary botany . Fig. 67. Luxanometer (Oels) for measuring elongation of the stem during grow th. 194. Nutation. 1 luring tl 5( < tion "1 the tem do nol 1 lment on the s< on the other sid< . I hi north. In .1 I- u moments later the cells on the west side are elongating more rapidly, and the stem 1 turned to the east; and ups oi cells in sue- on around the stem elongate more rapidl) than the others. This causes the tem to d< circle or ellipse about .1 central point. Since the re tion of the cell of th< tving t\\ ard ih< in. tin hue oi elongation of the (ells \\ In h is


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Keywords: ., bookcentury1800, bookdecade1890, bookpublisher, booksubjectbotany