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  1. By: Fletcher, Harold R. - Brown, William H.
    Publication info: Her Majesty's Stationery Office,
    Holding Institution: Royal Botanic Garden Edinburgh
  1. By: Brown, William H.
    Type: Article
    In: American journal of botany
    Volume: 2
    Issue: 6
    Date: 1915-06
    Page Range: 289--298
    Publication Info: Lancaster, Pa, Published in cooperation with the Botanical Society of America by the Brooklyn Botanic Gardens, 1914-
  2. By: Brown, William H.
    Type: Article
    In: American journal of botany
    Volume: 3
    Issue: 2
    Date: 1916-02
    Page Range: 68--90
    Publication Info: Lancaster, Pa, Published in cooperation with the Botanical Society of America by the Brooklyn Botanic Gardens, 1914-