-
By: United States. Bureau of Plant Industry. Division of Plant Exploration and Introduction. - United States. Office of Foreign Seed and Plant Introduction.Edition:Publication info: [Washington, D.C.], Office of Foreign Seed and Plant Introduction, U.S. Dept. of Agriculture,Volume: 1921-1922Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects:BHL Collections: