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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Henderson, I. F. - Henderson, W. D.
    Publication info: Edinburgh, Oliver and Boyd, 1920
    Holding Institution: University of California Libraries
  2. By: Henderson, I. F. - Henderson, W. D.
    Publication info: Edinburgh, Oliver and Boyd, 1920
    Holding Institution: Missouri Botanical Garden, Peter H. Raven Library