dcsimg
Please read BHL's Acknowledgment of Harmful Content
Sort By:
  1. By: Jeffrey, Edward C. (Edward Charles), - Cole, Ruth D
    Type: Article
    In: Annals of botany
    Volume: 30
    Date: 1916-07
    Page Range: 359--368
    Publication Info: London, Academic Press [etc.],
  2. By: Cole, Ruth D
    Type: Article
    In: Botanical gazette
    Volume: 63
    Issue: 2
    Date: 1917
    Page Range: 110--123
    Publication Info: Hanover, Ind, [publisher not identified], 1876-1991