. Fundamentals of botany. Botany. 436 SmUCTURE AND LIFE HISTORIES Each stamen consists of a slender stalk, the filament, bearing at its tip two microsporangia {pollen-sacs), united to form the anther. In the pollen-sacs are numer- ous microspores, which finally develop into pollen- Fig. 323.—Wood lily {Lilium philadelphicum). A central organ, the pistil, composed of three mega- sporophylls {carpels) united, and enclosing the mega- sporangia {ovules). All the pistils taken together (one or more) constitute the gynoecium. The pistil consists of three distinct regions as follows: {a) The
. Fundamentals of botany. Botany. 436 SmUCTURE AND LIFE HISTORIES Each stamen consists of a slender stalk, the filament, bearing at its tip two microsporangia {pollen-sacs), united to form the anther. In the pollen-sacs are numer- ous microspores, which finally develop into pollen- Fig. 323.—Wood lily {Lilium philadelphicum). A central organ, the pistil, composed of three mega- sporophylls {carpels) united, and enclosing the mega- sporangia {ovules). All the pistils taken together (one or more) constitute the gynoecium. The pistil consists of three distinct regions as follows: {a) The enlarged basal part, enclosing the ovules, and hence called the ovary. {b) A slender upward prolongation of the 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 Gager, C. Stuart (Charles Stuart), 1872-1943. Philadelphia, P. Blakiston's son & co.
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Keywords: ., bookauthorgag, bookcentury1900, bookdecade1910, booksubjectbotany
