. Lessons in botany. Botany. 326 ECOLOG Y. individual plants, while the older portions below die off, partly disintegrate, and pass over into the increasing solidity and bulk of the peat. It thus happens sometimes that the centres of. Kig. 269. Cypress knees, Mississippi. (Photograph by H. von Schrenk.) such basins or moors are more elevated than the margins, because here a greater amount of water exists in the depths which is pumped up for use by the plants themselves. Such a formation is sometimes called a " high ; 492. Change in form.—Because of the peculiar topographic featu


. Lessons in botany. Botany. 326 ECOLOG Y. individual plants, while the older portions below die off, partly disintegrate, and pass over into the increasing solidity and bulk of the peat. It thus happens sometimes that the centres of. Kig. 269. Cypress knees, Mississippi. (Photograph by H. von Schrenk.) such basins or moors are more elevated than the margins, because here a greater amount of water exists in the depths which is pumped up for use by the plants themselves. Such a formation is sometimes called a " high ; 492. Change in form.—Because of the peculiar topographic features of these basins, together with the conditions of mois- ture, etc., changes in their form are quite readily 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 and company


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