. Essentials of botany. Botany; Botany. STEMS 59 Caladium, this stem-like character is less evident. The potato is an excellent example of the short and much- thickened underground stem known as a tuber. It may be seen from Fig. 33 that the potatoes are none of them borne on true roots, but only on subterranean branches, which are stouter and more cylindrical than most of the roots. The " eyes " which they bear are rudimentary leaves and buds. Bulbs, whether coated like those of the onion or the hyacinth (Fig. 34), or scaly like those of the lily, are merely very short and stout unde
. Essentials of botany. Botany; Botany. STEMS 59 Caladium, this stem-like character is less evident. The potato is an excellent example of the short and much- thickened underground stem known as a tuber. It may be seen from Fig. 33 that the potatoes are none of them borne on true roots, but only on subterranean branches, which are stouter and more cylindrical than most of the roots. The " eyes " which they bear are rudimentary leaves and buds. Bulbs, whether coated like those of the onion or the hyacinth (Fig. 34), or scaly like those of the lily, are merely very short and stout underground stems, covered with closely crowded scales or layers which represent leaves or the basis of leaves (Fig. 35). The variously modified forms of underground stems just discussed illustrate in a marked way the storage of nourishment during the winter (or the rainless sea- son, as the case may be) to secure rapid growth during the active season. It is interesting to notice that nearly all of the early flowering herbs in temperate climates, like the crocus, the snowdrop, the spring-beauty, the tulip, and. Fio. 32. Roots, Rootstocks, and Leaves of 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 Bergen, Joseph Y. (Joseph Young), 1851-1917. Boston, Ginn
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectbotany, bookyear1908
