. Plant life, considered with special references to form and function. Plant physiology. '1 *â "â¢,.'â â . - i -'⢠.. A Fig. iio.âCactuses, showing form. A, Ct'rt^ns dasyacantJius. /?, hoi-i7,oiilaiis. Jn both the clusters of spines arise from tnbercles on tlie stems. Reduced.âAfter fvei^ner tlie leaves and other members attached to them. Other stems lie flat upon the ground, to which they may or may not attach themselves by the development of secondary roots. Between these prostrate, or crecphif;, stems and the erect form every conceivalile position exists. The direction
. Plant life, considered with special references to form and function. Plant physiology. '1 *â "â¢,.'â â . - i -'⢠.. A Fig. iio.âCactuses, showing form. A, Ct'rt^ns dasyacantJius. /?, hoi-i7,oiilaiis. Jn both the clusters of spines arise from tnbercles on tlie stems. Reduced.âAfter fvei^ner tlie leaves and other members attached to them. Other stems lie flat upon the ground, to which they may or may not attach themselves by the development of secondary roots. Between these prostrate, or crecphif;, stems and the erect form every conceivalile position exists. The direction of growth is deter- mined largely by the relation of the ]ilant to gravity and light as stimuli. (See "i*! 2S5, 2<S7.) Other stems rise into 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 Barnes, Charles Reid, 1858-1910. New York, H. Holt & company
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Keywords: ., book, bookcentury1800, bookdecade1890, booksubjectplantphysiology
