. The power of movement in plants . Plants; Botany. Cyclamen seedling, larged: cotyledon, expanded, with arched petiole beginning to straighten itself; A, hypocotyl developed into a conn ; r, second- ary ground with forming an Acanthus mollis: seedling, with the hypogean cotyledon on the near side removed and the radicles cut off: (I, blade of first leaf begin- ning to expand, with petiole still partially arched; b, second and opposite leaf, as yet very imper- fectly developed; e, hypogean cotyledon on the opposite side. through the its petiole arch. In the genus Acanthus the cotyle
. The power of movement in plants . Plants; Botany. Cyclamen seedling, larged: cotyledon, expanded, with arched petiole beginning to straighten itself; A, hypocotyl developed into a conn ; r, second- ary ground with forming an Acanthus mollis: seedling, with the hypogean cotyledon on the near side removed and the radicles cut off: (I, blade of first leaf begin- ning to expand, with petiole still partially arched; b, second and opposite leaf, as yet very imper- fectly developed; e, hypogean cotyledon on the opposite side. through the its petiole arch. In the genus Acanthus the cotyledons are likewise hypogean. In A. mollis, a single leaf first breaks through the ground with its petiole arched, and with the opposite leaf much less developed, short, straight, of a yellowish colour, and with the petiole at first not half as thick as that of the other. The undeveloped leaf is protected by stand- ing beneath its arched fel- low; and it is an instrnc-. 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 Darwin, Charles, 1809-1882; Darwin, Francis, Sir, 1848-1925. New York : D. Appleton
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Keywords: ., bookcentury1800, booksubjectbotany, booksubjectplants, bookyear18
