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  1. By: Dale, Nelson Clark,
    Publication info: Albany, The University of the State of New York, 1935
    Holding Institution: New York Botanical Garden, LuEsther T. Mertz Library
    BHL Collections: Expanding Access to Biodiversity Literature
  1. By: Dale, Nelson Clark,
    Type: Article
    In: Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge
    Volume: 54
    Issue: 220
    Date: 1915
    Page Range: 371--456
    Publication Info: Philadelphia, American Philosophical Society,