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The Encyclopaedia Britannica; .. A dictionary of arts, sciences and general literature . es Teratology. Alteration in thesymmetrical arrangement as well as in the completenessand regularity of flowers has been traced to suppression ox-the non-development of parts, degeneration or imperfectformation, cohesion or union of parts of the same whorl,adhesion or union of the parts of different whorls, multipli-cation of parts, and deduplication (sometimes called cliorisis)or splitting of parts. By suppression or non-appearance of a part at the placewhere it ought to appear if the structure was normal
The Encyclopaedia Britannica; .. A dictionary of arts, sciences and general literature . es Teratology. Alteration in thesymmetrical arrangement as well as in the completenessand regularity of flowers has been traced to suppression ox-the non-development of parts, degeneration or imperfectformation, cohesion or union of parts of the same whorl,adhesion or union of the parts of different whorls, multipli-cation of parts, and deduplication (sometimes called cliorisis)or splitting of parts. By suppression or non-appearance of a part at the placewhere it ought to appear if the structure was normal, thesymmetry or completeness of the flower is disturbed. This-suppression when confined to the parts of certain verticibmakes the flower unsymmetrical. Thus, in the flowers cfStaphylea there are five parts of the calyx, five petals, fivestamens, and only two carpels; in many Caryophyllacea;,as Polycarpon and Holosteum, while the calyx and corollaare pentamerous, there are only three or four stamens andthree carpels; in Impatiens noli-me-tangere Jhe calyx is VOL. TV. BOTANY PLATE eNCVCLOP€DrA eniTANNfCA NJNTfi LDITION. BOTANY PLATE X.
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectencyclo, bookyear1902