. Elementary botany. Botany. 396 ECOLOG Y. horizontal root, and possess a fancied resemblance to a knee. These knees are said to occur at points on the horizontal root above and opposite the point where a root branch extends down- ward into the soft marsh soil. They thus give strength to the. Fig. 490. Cypress knees, Mississippi. (Photograph by H. von Schrenk.) horizontal root at the point of attachment of the branch which penetrates into the soft soil, and during gales they hold these root branches more rigidly in position than would be the case if the horizontal root could easily bend at thi
. Elementary botany. Botany. 396 ECOLOG Y. horizontal root, and possess a fancied resemblance to a knee. These knees are said to occur at points on the horizontal root above and opposite the point where a root branch extends down- ward into the soft marsh soil. They thus give strength to the. Fig. 490. Cypress knees, Mississippi. (Photograph by H. von Schrenk.) horizontal root at the point of attachment of the branch which penetrates into the soft soil, and during gales they hold these root branches more rigidly in position than would be the case if the horizontal root could easily bend at this point. The knees thus are supposed by some to strengthen the anchor formed by the root in the loose soil. Their development may be the result of mechanical irritation at these points on the horizontal root,. 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 Atkinson, George Francis, 1854-1918. New York, H. Holt
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