dcsimg
Please read BHL's Acknowledgment of Harmful Content
Sort By:
  1. By: Sears, Paul Bigelow
    Type: Article
    In: Botanical gazette
    Volume: 73
    Issue: 4
    Date: 1922
    Page Range: 308--325
    Publication Info: Hanover, Ind, [publisher not identified], 1876-1991
  2. By: Sears, Paul Bigelow
    Type: Article
    In: Botanical gazette
    Volume: 73
    Issue: 6
    Date: 1922
    Page Range: 425--446
    Publication Info: Hanover, Ind, [publisher not identified], 1876-1991