. Contributions from the Botanical Laboratory, vol. 8. Botany; Botany. Fig. Cellulose (parallel lines, upper right), protoplasm (broken lines, lower left), and nucleus (spotted circle) of living onion cell (nucleus is 20/i across). other with only occasional irregularities. The general arrangement of the striae is often strikingly symmetrical (Figs. 7 and 8). At times, the striae run at right angles to or even cut diagonally across each other. There is little difference to be seen in the ultramicroscopic structure of the epidermal walls of elder, onion, and celery, nor does it matter (as regar
. Contributions from the Botanical Laboratory, vol. 8. Botany; Botany. Fig. Cellulose (parallel lines, upper right), protoplasm (broken lines, lower left), and nucleus (spotted circle) of living onion cell (nucleus is 20/i across). other with only occasional irregularities. The general arrangement of the striae is often strikingly symmetrical (Figs. 7 and 8). At times, the striae run at right angles to or even cut diagonally across each other. There is little difference to be seen in the ultramicroscopic structure of the epidermal walls of elder, onion, and celery, nor does it matter (as regards structure) whether the material is mounted in balsam (Fig. 3), in water (Fig. 4), or in air (Fig. 7). In some instances, the discontinuity of the striae, ,. 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 University of Pennsylvania. Botanical Laboratory. Philadelphia : University of Pennsylvania Press
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbotany, bookyear1892
