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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Lehman, Samuel G
    Type: Article
    In: Annals of the Missouri Botanical Garden
    Volume: 10
    Date: 1923
    Page Range: 111--178
    Publication Info: St. Louis, Missouri Botanical Garden Press, 1914-
  2. By: Lehman, Samuel G
    Type: Article
    In: Technical bulletin
    Volume: 26
    Series: Technical bulletin (North Carolina Agricultural Experiment Station)
    Date: 1925
    Page Range: 1--71
    Publication Info: Raleigh, The Station,