. Plant life and plant uses; an elementary textbook, a foundation for the study of agriculture, domestic science or college botany. Botany. 156 STEMS A. Rhizomes. — The word means root-like. Rhizomes sometimes form the entire stem system of the plant. Some violets and nearly all ferns have no true stems above ground. The leaves arise directly from the stems and are lifted into the air by their petioles. It is more common, however, for rhizomes to give rise to true stem branches. These, of course, push up into the sunlight instead of re- maining in the ground. Such ^branches are negatively geo-
. Plant life and plant uses; an elementary textbook, a foundation for the study of agriculture, domestic science or college botany. Botany. 156 STEMS A. Rhizomes. — The word means root-like. Rhizomes sometimes form the entire stem system of the plant. Some violets and nearly all ferns have no true stems above ground. The leaves arise directly from the stems and are lifted into the air by their petioles. It is more common, however, for rhizomes to give rise to true stem branches. These, of course, push up into the sunlight instead of re- maining in the ground. Such ^branches are negatively geo- tropic instead of transversely geotropic like their parents. They bear leaves and flowers and manufacture food. Much of this food is stored up in the rhizome to be used in the for- mation of young shoots in the following season. The rhizome. 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 G. (John Gaylord), b. 1876. New York, American Book Co
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
