. Agricultural botany, theoretical and practical. Botany, Economic; Botany. Fig. 140. Potato seedling (26 days' old), later stage of Fig. 139. The Plumule e has developed considerably, and in the axils of the coty- ledons two shoots d have been produced. a- hypocotyl; ^ root; c cotyledons; c epicotyl; jr ground-line (Natural size). Fig. 141. Potato seedling (10 weeks' old), later stage of Fig. 140, The shoots d have now pushed their way below ground and at their tips small tubers have formed. (Natural size.) Root.—The roots of the potato plant extend themselves chiefly in the upper layers of t
. Agricultural botany, theoretical and practical. Botany, Economic; Botany. Fig. 140. Potato seedling (26 days' old), later stage of Fig. 139. The Plumule e has developed considerably, and in the axils of the coty- ledons two shoots d have been produced. a- hypocotyl; ^ root; c cotyledons; c epicotyl; jr ground-line (Natural size). Fig. 141. Potato seedling (10 weeks' old), later stage of Fig. 140, The shoots d have now pushed their way below ground and at their tips small tubers have formed. (Natural size.) Root.—The roots of the potato plant extend themselves chiefly in the upper layers of the soil, and are fibrous and copiously branched. The primary root and its branches are distinct from the tuber-bearing rhizomes (Fig. 141), but from the nodes of all the stems below ground adventitious roots arise in. 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 Percival, John, 1863-1949. New York, H. Holt
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1910