. Photomicrographs of botanical studies. Photomicrography. Fully developed pollen grains, showing wing or air sac, taken from mature cone. 63.â Developing Ovule, " Pinus ; â â¢'â â¢:â¢-^^t'r^. Integument. Hndosperm. Spermo-nucleus. Oonucleus. Wing of 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 Flatters, Milborne & McKechnie Ltd. Manchester : Flaters, Milborne & McKechnie

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Photo credit: © The Book Worm / Alamy / Afripics
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Keywords: ., bhlconsorti, bookcollectionamericana, bookcollectionbiodiversity