. The power of movement in plants. Plants; Botany. 342 MODIFIED CIKCUMNUTATION. CuAP. vr. base of each leaflet is developed (at least in the case of L. luteus) into a pulvinus. The result is that all the leaflets on the same leaf stand at night more or less highly inclined, or even quite vertically, forming in this latter case a vertical star. This occurs with the leaves of a species purchased under the name of Fig. 138. Lnpinus pubescens: A, leaf viewej laterally during the day; B, same leaf at night; C, another leaf with the leaflet forming a vertical star at night. Figures reduced. I,, pube
. The power of movement in plants. Plants; Botany. 342 MODIFIED CIKCUMNUTATION. CuAP. vr. base of each leaflet is developed (at least in the case of L. luteus) into a pulvinus. The result is that all the leaflets on the same leaf stand at night more or less highly inclined, or even quite vertically, forming in this latter case a vertical star. This occurs with the leaves of a species purchased under the name of Fig. 138. Lnpinus pubescens: A, leaf viewej laterally during the day; B, same leaf at night; C, another leaf with the leaflet forming a vertical star at night. Figures reduced. I,, pubescens; and in the accompanying figures vre see at A (Fig, 138) the leaves in their diurnal position; and at B the same plant at night with the two upper leaves having their leaflets almost vei-tical. At C another leaf, viewed laterally, is shown with the leaflets quite vertical. It is chiefly or exclusively the youngest leaves which form at night vertical stars. But there. 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, Appleton
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Keywords: ., bookcentury1800, bookdecade, booksubjectbotany, booksubjectplants
