. A text-book of botany for secondary schools. Botany. Fig. 238 —Longitudinal section of an ovary of Yucca, showing the funnel- shaped stigmatic opening (s), and the rows of ovules attached to the wall (o).—After EiLET and Treleabe. Fig. 239.—The position of Pronuba on the stamen of Yucca when collecting pollen (A) and when thrusting it into the stigmatic funnel (J3).—Af- ter Riley and 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

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. A text-book of botany for secondary schools. Botany. Fig. 238 —Longitudinal section of an ovary of Yucca, showing the funnel- shaped stigmatic opening (s), and the rows of ovules attached to the wall (o).—After EiLET and Treleabe. Fig. 239.—The position of Pronuba on the stamen of Yucca when collecting pollen (A) and when thrusting it into the stigmatic funnel (J3).—Af- ter Riley and 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 Coulter, John Merle, 1851-1928. New York, D. Appleton

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Keywords: ., bookcentury1900, bookdecade1900, booksubjectbotany, bookyear1906