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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Allen, E. R. - Davisson, B S
    Type: Article
    In: Annals of the Missouri Botanical Garden
    Volume: 6
    Date: 1919
    Page Range: 45--48
    Publication Info: St. Louis, Missouri Botanical Garden Press, 1914-
  2. By: Allen, E. R.
    Type: Article
    In: Annals of the Missouri Botanical Garden
    Volume: 6
    Date: 1919
    Page Range: 1--44
    Publication Info: St. Louis, Missouri Botanical Garden Press, 1914-