. Elements of botany. Plants. STEMS. 45 the white clover, the dandelion, the spurges, the knot-grass, and hundi-eds of other kinds of plants have found safety in hugging the ground. 68. Climbing and Tivininr/ Steins}—Since it is essential to the health and rapid growth of most plants that they should have free access to the sun and air, it is not strange that many should resort to special devices for lifting them- selves above their neighbors. In tropical forests, where the darkness of the shade anywhere beneath the tree-tops is so great that few flowering plants can thrive in it, the climbing
. Elements of botany. Plants. STEMS. 45 the white clover, the dandelion, the spurges, the knot-grass, and hundi-eds of other kinds of plants have found safety in hugging the ground. 68. Climbing and Tivininr/ Steins}—Since it is essential to the health and rapid growth of most plants that they should have free access to the sun and air, it is not strange that many should resort to special devices for lifting them- selves above their neighbors. In tropical forests, where the darkness of the shade anywhere beneath the tree-tops is so great that few flowering plants can thrive in it, the climbing plants or lianas often run like great cables for hundreds of ^^k:Iyv,. Fig. 29. —The Dandelion ; a so-called Stemless Plant. feet before they can emerge into the sunshine above, as those shown in the frontispiece have probably done. In temperate climates no such remarkable climbers are found, but many plants raise themselves for considerable distances. The prin- cipal means to which they resort for this purpose are : (1) Producing roots at many points along the stem above ground and climbing on suitable objects by means of these, as in the English ivy. Fig. 14. 1 See Kerner and Oliver's Natural Historij of Plants, vol. I, p. 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; Bergen, Joseph Y. (Joseph Young), 1851-1917. Bergen's Botany: key and flora, Pacific coast ed. Boston : Ginn
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectplants, bookyear1896
