Mutants and hybrids of the Oenotheras /
MacDougal, Daniel Trembly,1865-1958.
Vail, Anna Murray,1863-
Shull, George Harrison,1874-1954.
Small, John Kunkel,1869-1938.
Washington, D.C., Carnegie Institution of Washington,
1905.
Includes bibliographical references (p. 56-57).
Hybridization, Vegetable.
Oenothera.
Plants