. Botany for high schools and colleges. Botany. Fig. 83.—Glandular hairs from the petiole of Primula einehm, ia several stages of develop- ment, a, the beginning of the secretion iu trie terminal cell; b, hair with a large mass of se- creted matter ; d, an old hair after the removal of the secreted matter. X 142.—After De Bary. (a) Tricliomes are, in gene- ral, easy objects of study. In many cases tliey may be simply scraped ofE and mounted in alcohol, or in a solution of potash. Pis. 85. Fig. 86. Via. 87. Fig. ', the cell a of Fig. highly magnified ; a" the same afte
. Botany for high schools and colleges. Botany. Fig. 83.—Glandular hairs from the petiole of Primula einehm, ia several stages of develop- ment, a, the beginning of the secretion iu trie terminal cell; b, hair with a large mass of se- creted matter ; d, an old hair after the removal of the secreted matter. X 142.—After De Bary. (a) Tricliomes are, in gene- ral, easy objects of study. In many cases tliey may be simply scraped ofE and mounted in alcohol, or in a solution of potash. Pis. 85. Fig. 86. Via. 87. Fig. ', the cell a of Fig. highly magnified ; a" the same after removal of the secretion by treatment with alcohol. X 375.—After De Bary. Fig. 85.—c, end of a hair with large mass of secreted matter ; (/, the same after treatment with alcohol, x 875.—After De Bary. Fig. 86.—The end of the hair d, in Fig. 83. more highly magniiied, showing the frag- ments of the secretion pustule surrounding the terminal cell, which still contains pro- toplasm X 375 —After De Bary. Fig. 87.—Glandular scale from the hop. A, in its young stage; B, the same some time afterward—the secretion from the cells has pushed out the cuticle and filled the space between it and the cells (in the specimen from which these were drawn the secretion was removed by solution in alcohol). X 142.—After De Bary. after wetting them with alcohol to free them from entangled and en- closed 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 E. (Charles Edwin), 1845-1915. New York : H. Holt
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectbotany, bookyear1885
