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  1. By: Caldwell, Joseph S. (Joseph Stuart),
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1923
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  2. By: Caldwell, Joseph S. (Joseph Stuart),
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1922
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  1. By: Caldwell, Joseph S. (Joseph Stuart),
    Type: Article
    In: Botanical gazette
    Volume: 66
    Issue: 2
    Date: 1918
    Page Range: 178--182
    Publication Info: Hanover, Ind, [publisher not identified], 1876-1991
  2. By: Caldwell, Joseph S. (Joseph Stuart),
    Type: Article
    In: Botanical gazette
    Volume: 66
    Issue: 3
    Date: 1918
    Page Range: 277--284
    Publication Info: Hanover, Ind, [publisher not identified], 1876-1991