. Botany for high schools and colleges. Botany. 96 BOTANY, has been applied (Fig. 81). These are composed of single cells, which have very thin and delicate Avails (Fig. 82), and are the active agents in the absorption of nutritive matters for the Fig. 82.—Eoot-hairs of a seedling rye plant. A, the ends of three hairs, one much emaller th in the others ; the larger ones have particles of sand adhering to and im- bedded in iheir walls ; B^ the base of a hair growing from the rooi-cell, r. X 900. 129.—In the development of the hairs on aerial parts of plants it frequently happens that th
. Botany for high schools and colleges. Botany. 96 BOTANY, has been applied (Fig. 81). These are composed of single cells, which have very thin and delicate Avails (Fig. 82), and are the active agents in the absorption of nutritive matters for the Fig. 82.—Eoot-hairs of a seedling rye plant. A, the ends of three hairs, one much emaller th in the others ; the larger ones have particles of sand adhering to and im- bedded in iheir walls ; B^ the base of a hair growing from the rooi-cell, r. X 900. 129.—In the development of the hairs on aerial parts of plants it frequently happens that the terminal cell becomes changed into a secreting cell, in which gummy, resinous, or other substances are produced ; sometimes several terminal. 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 Bessey, Charles Edwin, 1845- [from old catalog]. New York, H. Holt and company
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