. Plants and their ways in South Africa. Botany; Botany. Fig. 23.—Diagram for ends of glass germinator. Fig. 24.—Seedlings showing root hairs. on, the oldest ones are worn off, but new ones are constantly formed towards the tip. They make their way in between the fine particles of soil in search of water, and greatly increase (from five to twelve times) the absorbing surface. Ex. 2. Fasten some seeds, which have germinated until the roots are about an inch long, to strips of wood. Place them in an inverted flo\\'er- pot, in which the water stands to a height of 2 inches. Let the roots in one d
. Plants and their ways in South Africa. Botany; Botany. Fig. 23.—Diagram for ends of glass germinator. Fig. 24.—Seedlings showing root hairs. on, the oldest ones are worn off, but new ones are constantly formed towards the tip. They make their way in between the fine particles of soil in search of water, and greatly increase (from five to twelve times) the absorbing surface. Ex. 2. Fasten some seeds, which have germinated until the roots are about an inch long, to strips of wood. Place them in an inverted flo\\'er- pot, in which the water stands to a height of 2 inches. Let the roots in one dip into the water; place the second,lot higher, taking care that they are some distance above the water. After they have grown an inch or two, note the absence of root hairs in the first lot. The drier the soil, the more numerous are the root hairs. Some water plants, however, have abundant root 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 Stoneman, Bertha. London, New York, Longmans, Green
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1915
