. The anatomy of woody plants. Botany -- Anatomy. FIG. 8r.—Tyloses in oak and locust. Explanation in the text be of importance) are about to die, they push processes into the adjacent vessels by the bulging and growth of the cellulose mem- branes of the pits connecting them with the vascular structures. These ingrowths are occupied by protoplasm and, sometimes at any rate, by nuclei as well. When abundantly developed, they completely close the lumen of the vessel and render impossible the passage of water. Fig. 43, on page 157, has made clear the contrast resulting from this phenomenon in the
. The anatomy of woody plants. Botany -- Anatomy. FIG. 8r.—Tyloses in oak and locust. Explanation in the text be of importance) are about to die, they push processes into the adjacent vessels by the bulging and growth of the cellulose mem- branes of the pits connecting them with the vascular structures. These ingrowths are occupied by protoplasm and, sometimes at any rate, by nuclei as well. When abundantly developed, they completely close the lumen of the vessel and render impossible the passage of water. Fig. 43, on page 157, has made clear the contrast resulting from this phenomenon in the sapwood and the heartwood. 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 Jeffrey, Edward C. (Edward Charles), b. 1866. Chicago, Ill. , The University of Chicago Press
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