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  1. By: Darlington, Henry T. (Henry Townsend)
    Publication info: Chicago, Darlington, 1923
    Holding Institution: Library of Congress
  1. By: Darlington, Henry T. (Henry Townsend)
    Type: Article
    In: American journal of botany
    Volume: 9
    Issue: 5
    Date: 1922-05
    Page Range: 266--269
    Publication Info: Lancaster, Pa, Published in cooperation with the Botanical Society of America by the Brooklyn Botanic Gardens, 1914-