Text-book of botany, morphological and physiological . unfre-quently happens that the number of stamens in each whorl also undergoeschange, and complicated alternations arise. Flowers the structure of which isotherwise altogether diflerent resemble one another in this respect, as is shownby the Papaveraceae on the one hand (Fig. 433), and by Cistineae and someRosaceas on the other hand. The reduction of the flower to a simpler condition is often carried so farin many Dicotyledons (as in Monocotyledons) that each individual flower consistsonly either of an ovary with one or several stamens, or,
Text-book of botany, morphological and physiological . unfre-quently happens that the number of stamens in each whorl also undergoeschange, and complicated alternations arise. Flowers the structure of which isotherwise altogether diflerent resemble one another in this respect, as is shownby the Papaveraceae on the one hand (Fig. 433), and by Cistineae and someRosaceas on the other hand. The reduction of the flower to a simpler condition is often carried so farin many Dicotyledons (as in Monocotyledons) that each individual flower consistsonly either of an ovary with one or several stamens, or, when the arrangement ^ Eichler, Ueber die Menispermaceen, Denkschrift der k. bayer. Ges., Regensburg 1S64.—Payer, Organogenie dela fleur, PL 45-49.—Eichler, Flora 1S65, Nos. 2-8 et seq. DICOTYLEDONS. is diclinous, even only of a single ovary or of a single or several stamens; theperianth being either entirely absent (as in Salix and Piperacecfi) or reduced to acup-like structure (Populus, the female flower of Cannabinece &c.) or to hair-like.
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectbotany, bookyear1875
