. A text-book of botany for secondary schools. Botany. Fig. 27.—Leaf of sensitive plant in two conditions: A, fully expanded, with the four main branches and numerous leaflets well spread; B, after a shock of some kind, the leaflets being thrown together forward and upward, the four branches having been moved toward each other, and the main petiole having dropped sharply downward.—After Duchartre. leaflets fold together, then still others, until finally all the leaflets may be folded together, and the leaves them-. A B Fig. 28.—The day (.A)-and night {B) positions of the leaves of a clover-lik


. A text-book of botany for secondary schools. Botany. Fig. 27.—Leaf of sensitive plant in two conditions: A, fully expanded, with the four main branches and numerous leaflets well spread; B, after a shock of some kind, the leaflets being thrown together forward and upward, the four branches having been moved toward each other, and the main petiole having dropped sharply downward.—After Duchartre. leaflets fold together, then still others, until finally all the leaflets may be folded together, and the leaves them-. A B Fig. 28.—The day (.A)-and night {B) positions of the leaves of a clover-like plant. —After Strasburger. selves may bend against the stem. In this way the ex- posed surface may be regulated according to the 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 Coulter, John Merle, 1851-1928. New York, D. Appleton


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Keywords: ., bookcentury1900, bookdecade1900, booksubjectbotany, bookyear1906