Image: Aquatic plants of Illinois; an illustrated manual including species submersed, floating, and some of shallow water and muddy shores (1966) (19740088632)

Description: Title: Aquatic plants of Illinois; an illustrated manual including species submersed, floating, and some of shallow water and muddy shores Identifier: aquaticplantsofi00wint (find matches) Year: 1966 (1960s) Authors: Winterringer, Glen Spelman, 1906-; Lopinot, Alvin C Subjects: Freshwater plants Publisher: [Springfield Dept. of Registration & Education, Illinois State Museum Division] Contributing Library: University of Illinois Urbana-Champaign Digitizing Sponsor: University of Illinois Urbana-Champaign View Book Page: Book Viewer About This Book: Catalog Entry View All Images: All Images From Book Click here to view book online to see this illustration in context in a browseable online version of this book. Text Appearing Before Image: ' Text Appearing After Image: NARROWLEAF PONDWEED Potamogeton strictifolius Benn. 1 . Submersed leaves 2-6 cm long, 0.5 - 2 mm wide, sessile, stiff, obtuse or tapering to a bristle tip, a pair of glands at the base of the blade. Veins 3, the 2 lateral ones very fine. Floating leaves none. 2. Stipules 5 - 15 mm long, not adnate or attached. 3. Stem very slender, long some- times branched. 4. Peduncles 1 - 4 cm long, very slender. 5. Fruits (achenes) in slender spikes 1 - 2 cm long, achenes in 2-4 groups or whorls . 6. Individual achene 2-3 mm long, very small, the keel low or none. Drawing enlarged 9 times. Note About Images 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 work.
Title: Aquatic plants of Illinois; an illustrated manual including species submersed, floating, and some of shallow water and muddy shores (1966) (19740088632)
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