Text-book of structural and physiological botany . ..^^^ Fig. 20T.—Staniinate (-^) flower of Calli-triche vertia (greatly magnified) withtwo-sickle-shaped bracts. Fig. 202. —Pistillate( 9) flower of Calli-triche verna (greatly magnified). Orchideae, they may not materially differ in colour or form ;and the t^xva peria7tth is especially used in reference to thesecases. The essential parts of the flower are the andrcEciumor stamens^ and the gviiceceum or pistil (Fig. 200, s, St). 112 Structural and Physiological Botany. l^\\e fruity containing the seeds, is developed out of the latteror female o
Text-book of structural and physiological botany . ..^^^ Fig. 20T.—Staniinate (-^) flower of Calli-triche vertia (greatly magnified) withtwo-sickle-shaped bracts. Fig. 202. —Pistillate( 9) flower of Calli-triche verna (greatly magnified). Orchideae, they may not materially differ in colour or form ;and the t^xva peria7tth is especially used in reference to thesecases. The essential parts of the flower are the andrcEciumor stamens^ and the gviiceceum or pistil (Fig. 200, s, St). 112 Structural and Physiological Botany. l^\\e fruity containing the seeds, is developed out of the latteror female organ, after fertilisation by the pollen formed inthe stamens or male organs. When all these four organs are present in the sameflower, it is said to be complete or perfect; if either isabsent, incomplete or imperfect. The flowers for exampleof the rose, mignonette, and forget-me-not are perfect;those of the willow and poplar, which have neither calyxnor corolla, are imperfect. Other flowers again are imperfectfrom the absence of one of the es
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