. How crops grow. A treatise on the chemical composition, structure and life of the plant, for students of agriculture ... Agricultural chemistry; Growth (Plants). VEGETATIVE ORGANS OF PLANTS. 275 vial, inserting a sprig of the commou greenhouse-plant Tradeseantia zebrina, so that the cut end of the stem shaU stand in the water, and finally corking the vial air- tight. The plant, which is very tenacious of life, and usually grows well in spite of all neglect, is not checked in its vegetative development by the treatment just de- scribed, but immediately begins to adapt itself to its new circum
. How crops grow. A treatise on the chemical composition, structure and life of the plant, for students of agriculture ... Agricultural chemistry; Growth (Plants). VEGETATIVE ORGANS OF PLANTS. 275 vial, inserting a sprig of the commou greenhouse-plant Tradeseantia zebrina, so that the cut end of the stem shaU stand in the water, and finally corking the vial air- tight. The plant, which is very tenacious of life, and usually grows well in spite of all neglect, is not checked in its vegetative development by the treatment just de- scribed, but immediately begins to adapt itself to its new circumstances. In a few days, if the temperature be 70° or thereabout, air-roots will be seen to issue from the joints of the stem. These are fringed with a profu- sion of delicate hairs, and rapidly extend to a length of from one to two inches. The lower ones, if they chance. Fig. 44. to penetrate the water, become discolored and decay; the others, however, remain for a long time fresh, and of a white color. Some plants have roots which are equally able to exist and perform their functions, whether in the soil or sub-. 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 Johnson, Samuel William, 1830-1909. New York, Orange Judd company
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectagriculturalchemistr
