. Botany for high schools and colleges. Botany. SECRETION RESERVOIRS. 131 but slightly different developments of the same organ (Fig. 117). {a) The smaller and more irregular intercellular spaces may be studied in the fundamental tissue of the stem of Indian corn, in the parenchyma of most leaves, and the stems of Fis. 116. Fig. 116.—Internal glands of the leaf of Dictamnus fraxinella. A and B, early etages of development; C, mature gland ; d, epidermis ; c, p, mother-cells of the se- creting cells ; 0, drop of ethereal oil.—After Ranter. Fig. 117.—Glandular hair of the inflorescence
. Botany for high schools and colleges. Botany. SECRETION RESERVOIRS. 131 but slightly different developments of the same organ (Fig. 117). {a) The smaller and more irregular intercellular spaces may be studied in the fundamental tissue of the stem of Indian corn, in the parenchyma of most leaves, and the stems of Fis. 116. Fig. 116.—Internal glands of the leaf of Dictamnus fraxinella. A and B, early etages of development; C, mature gland ; d, epidermis ; c, p, mother-cells of the se- creting cells ; 0, drop of ethereal oil.—After Ranter. Fig. 117.—Glandular hair of the inflorescence of Dictamnus fraxinella ; A and B, earliest stages, showing the origin to be similar to that of the internal glands ; C, fully developed hair ; the part h is the true hair, while all below it, including the oil cav- ity, is to be regarded as an outgrowth of the sub-epidermal cells. X about 220.—After Ranter. (&) Thin cross-sections of the stems and petioles of Nymphma, Nuphai\ Nelumtium, Sagittaria, Potamogeton, and many other water plants, afford excellent specimens for the study of intercellular c 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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