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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Ranker, Emery R
    Type: Article
    In: Annals of the Missouri Botanical Garden
    Volume: 12
    Date: 1925
    Page Range: 367--380
    Publication Info: St. Louis, Missouri Botanical Garden Press, 1914-
  2. By: Ranker, Emery R
    Type: Article
    In: Annals of the Missouri Botanical Garden
    Volume: 13
    Date: 1926
    Page Range: 391--424
    Publication Info: St. Louis, Missouri Botanical Garden Press, 1914-