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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Torrey, Raymond H. - Elwert, Max A - Graves, Arthur H
    Type: Article
    In: Torreya
    Volume: 31
    Issue: 2
    Date: 1931
    Page Range: 54--57
    Publication Info: Burlington, Vt, Torrey Botanical Club, 1901-1945