. Essentials of biology presented in problems. Biology. SEEDS AND SEEDLIN( ;S germination. All the stages pawed through by the young plant, from the time the â 'iced be- gins to sprout until it can take care of itself by means of /7n roots and Icarcs, are known as the stages of germination. In the pea, growth is hke- wise at fii-st made lai-gely at the expense of the cotj-Iedons, which never rise abo^â¢e ground. Removal of the cot>ledons from half the number of one lot of germinating peas, and exposure to the same conditions as the other half of the same lot, shows that the loss of the coty


. Essentials of biology presented in problems. Biology. SEEDS AND SEEDLIN( ;S germination. All the stages pawed through by the young plant, from the time the â 'iced be- gins to sprout until it can take care of itself by means of /7n roots and Icarcs, are known as the stages of germination. In the pea, growth is hke- wise at fii-st made lai-gely at the expense of the cotj-Iedons, which never rise abo^â¢e ground. Removal of the cot>ledons from half the number of one lot of germinating peas, and exposure to the same conditions as the other half of the same lot, shows that the loss of the cotyledons retards growth and may result in the death of the seedlings.^. Experiment to show the function of the cotyledons of the pea, photographed at the end of two weeks. Note the size of the plants at the left, without cotyle- 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 Hunter, George William, 1873-1948. New York, Cincinnati [etc. ] American Book Company


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbiology, bookyear1911