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MAIDENHAIR

Online Encyclopedia
Originally appearing in Volume V17, Page 428 of the 1911 Encyclopedia Britannica.
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MAIDENHAIR , in See also:

botany, the See also:common name for a See also:fern, Adiantum Capillus-Veneris, characterized by the spreading See also:hair-like branches of the frond, the ultimate pinnules of which are i to 1 in. See also:long with a rounded crenate See also:outer edge and repeatedly forked See also:veins; the sori (or masses of spore-capsules) are in the crenatures of the pinnules, and are protected by a See also:kidney-shaped involucre. The plant is widely distributed in temperate and tropical regions, and is occasionally found in the western counties of See also:England, the Isle of See also:Man, and See also:west See also:Ireland, growing on See also:damp rocks or walls especially near the See also:sea. The genus Adiantum is a large one containing many handsome See also:species both tropical and temperate, well known in greenhouse and hothouse cultivation. MAIDENHAIR-See also:TREE is a popular name for Ginkgo biloba, a remark-able and handsome gymnospermous tree, the See also:fan-shaped leaves of which with their forked veins recall those of the maidenhair (see See also:GYMNOSPERMS).

End of Article: MAIDENHAIR

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