Nature and development of plants . Fig. 262. Forms of primitive flowers: A, inflorescence of Typha or cat-tail—mi, region bearing only flowers with microsporophylls; mg, flowerswith megasporophylls; b, bract. B, flower consisting of two microsporo-phylls which are sessile on a short stalk that has numerous hairs. C,flower consisting of one megasporophyll—s, stigma; 0, ovary surroundedwith hairs. D, early appearance of the inflorescence of Salix or , inflorescence bearing only megasporophylls. F, flower of a single mega-sporophyll with forked stigma—b, bract; 11, nectar gland. G, inflor
Nature and development of plants . Fig. 262. Forms of primitive flowers: A, inflorescence of Typha or cat-tail—mi, region bearing only flowers with microsporophylls; mg, flowerswith megasporophylls; b, bract. B, flower consisting of two microsporo-phylls which are sessile on a short stalk that has numerous hairs. C,flower consisting of one megasporophyll—s, stigma; 0, ovary surroundedwith hairs. D, early appearance of the inflorescence of Salix or , inflorescence bearing only megasporophylls. F, flower of a single mega-sporophyll with forked stigma—b, bract; 11, nectar gland. G, inflorescencebearing only microsporophylls. H, flower of two microsporophylls. where the flower consists of one or a few sporophylls associatedwith hairs, and also in the willow where the sporophylls aredeveloped in the axil of a minute bract (Fig. 262, F, H). These DEVELOPMENT OF PLANTS 349 simple types of flowers are often developed in large numbersupon an elongated stem (Fig. 262, A, D-G) and are rather sug-gestive of a strobil
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Keywords: ., bookcentury1900, bookdecade1900, bookpublisher, booksubjectplants
