. Nature and development of plants. Botany. '^ 111'' I B E F Fig. 297. Flowers and seed of the willow (Salix): A, winter appearance of a flowering twig, each boat-shaped scale concealing an ament. B, pussy willow stage of flowering, the aments emerging from the scales and exposing the hairy bracts that conceal the flowers. C, ament of pistillate flowers in full bloom. D, pistillate flower, consisting of a compound pistil of two car- pels—b, bract; n, nectar gland. E, ament of staminate flowers. F, stam- inate flower of two stamens. G, ament of mature pistils which are opening to discharge the
. Nature and development of plants. Botany. '^ 111'' I B E F Fig. 297. Flowers and seed of the willow (Salix): A, winter appearance of a flowering twig, each boat-shaped scale concealing an ament. B, pussy willow stage of flowering, the aments emerging from the scales and exposing the hairy bracts that conceal the flowers. C, ament of pistillate flowers in full bloom. D, pistillate flower, consisting of a compound pistil of two car- pels—b, bract; n, nectar gland. E, ament of staminate flowers. F, stam- inate flower of two stamens. G, ament of mature pistils which are opening to discharge the seeds. H-I, successive stages in the opening of the pistil. /, a seed with circle of hairs at base forming a parachute for dissemination. inflorescence (Fig. 297, B). Soon the bracts spread apart, ex- posing the flowers which are nearly as primitive as the simplest of the monocotyledons, being without perianth, imperfect and usually the two kinds of sporophylls are arranged on different plants. The pistil is compound and composed of two carpels, each of which contains numerous ovules, so that the pistillate. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Curtis, Carlton Clarence, 1864-1945. New York, H. Holt
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