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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Thomas, Ethel N.
    Type: Article
    In: Annals of botany
    Volume: 14
    Date: 1900-06
    Page Range: 318--319
    Publication Info: London, Academic Press [etc.],
  2. By: Thomas, Ethel N.
    Type: Article
    In: Annals of botany
    Volume: 14
    Date: 1900-09
    Page Range: 527--535
    Publication Info: London, Academic Press [etc.],
  3. By: Thomas, Ethel N.
    Type: Article
    In: Annals of botany
    Volume: 28
    Date: 1914-10
    Page Range: 695--733
    Publication Info: London, Academic Press [etc.],