Archive image from page 107 of Cyclopedia of American horticulture . Cyclopedia of American horticulture : comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers, and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches cyclopediaofame02bail Year: 1906 594 FLOWER which joins them, called thi- connecti times is extensive, and in a few plants i peculiar forms to aid in pollination, e. ; The sporangia at maturity consist (rarely more) layers of oclls, coiistitul rounding a


Archive image from page 107 of Cyclopedia of American horticulture . Cyclopedia of American horticulture : comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers, and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches cyclopediaofame02bail Year: 1906 594 FLOWER which joins them, called thi- connecti times is extensive, and in a few plants i peculiar forms to aid in pollination, e. ; The sporangia at maturity consist (rarely more) layers of oclls, coiistitul rounding a quantity of |i'l' ~, ili whole of the pollen from each sporangiiun is held together in a mass by interwoven threads (Figs. 149, 513). By the time the sporangia discharge the pollen, each spore has begun a develop- ment which it completes on the stigma to which it is transferred. See Fertilisatiort. 'Wiiiow. Cai-peZs. —The carpels are the sporangial Showing one leaves which occupy the center of the compound flower. The number of carpels is very pistil; variable. Usually they are fewer than the ™= s(,style; floral leaves. In most flowers the carpels '• ''''• are united one to another to form a structure known as a compound pistil (Figs. 825, 833, 835, 836). When the carpels are separate, each develops as a simple pistil. Of these there may be one or many (Figs. 834, 837). The pistil, if simple, first appears as a ring-like ridge about the center of the torus. If compound, knob- like rudiments of the component carpels first appear, but the growth early involves the torus between, giving rise to an elevated circular ridge. This carpellary ring irradnnllv irrows upward, partially or completely inclos- ing one or more chambers, in which the ovules arise. At a time when the ovules (which ripen into seeds) were supposed to be com- parable to the eggs of animals, the larger chambered part of the pistil in which they are formed was called the ovary, a name which it still


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