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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Blackburn, B.C.
    Type: Article
    In: Journal of the New York Botanical Garden
    Volume: 48
    Issue: 565
    Date: 1947-01
    Page Range: 1--11
    Publication Info: Lancaster, Pa Published for the Garden by the New Era Printing Co 1900-
  2. By: Blackburn, B.C.
    Type: Article
    In: Journal of the New York Botanical Garden
    Volume: 49
    Issue: 577
    Date: 1948-01
    Page Range: 14--15
    Publication Info: Lancaster, Pa Published for the Garden by the New Era Printing Co 1900-