Index Chillicothe (Texas) Agricultural Ex- periment Station, 127 Cinchona, 77, 80-81, 137 Chinese early cherry, 122 Chinese elm, 121, 123 Chinese yam, 52 Chufa (earth almond), 52 Citron, 106 Citrus fruits, 77-79 Clover Berseem, 113, 128 Italian, 19 Red, 6 Coates, Benjamin, 10 Coca, 106 Coconuts, 92 Coffee, 91-92 Collier, Peter, 87 Colman, Norman J., 63, 70, 92, 97, 107 Columbian Agricultural Society, 20 Concord grape, 75 Congressional appropriations, 38, 39, 42, 57, 60, 61, 62, 82, 87, 88, 89, 93, 100, 101, 108, 109, 110, 124, 125 Connor, A. B., 127 Cook, O. F., 110, 111 Corn, 1, 133 broom, 14, 86 Cuzco, 51 Egyptian (white and brown durra), 87 Forty Days Maize, 50 Guinea (White Milo maize), 87 Indian, 94 teosinte, 87 Correll, D. S., 139 Cotton, 7, 9, 71, 72, 73, 129, 130 boll weevil, 130 gin, 72 varieties of Acala, 129 130 Dacca, 36 Durango, 129, 130 Egyptian, 121, 129 Gossypium barbadense, 9 Gossypium hirsutum, 9 Jannovitch, 73 Mexican and Guatemalan, 139 Mit Afifi, 129 Cow grass, 51 Cow peas, 6 Crab grass, 7 Crane, William, 28 Crawford, William H., 26 Crested wheat grass, 114 Dasheen, 121, 131, 132 Dates, 101-3, 130 Deglet Noor, 102, 130 Fard, 102 Date garden at Tempe, Arizona, 130 Davis, John, 35 deBore, Etienne, 7 DeCandolle, Alphonse, 3 Deglet Noor (date), 102, 130 deKruif, Paul, 115 Department of Agriculture aims of, 55 establishment of, 54 work with orange introduction, 77, 78 persimmon introduction, 80 tea plants, 47 Department of State, instructions, 145 Derris elliptica, 136 Diospyros kaki, 79 Distribution of major crop seeds, 60 Distribution of seeds, 99, 63 Diversification, 60-61 Division of Agrostology, 98, 111 Division of Forage Crops and Diseases, 135 Division of Plant Exploration and In- troduction, 135, 138 Division of Pomology, 98 Dodge, C. R., 73, 74 Dorsett, P. H., 121, 135 Doub grass, 26 Drayton, Charles, 9 DuFour, John James, and associates, 24-25 Dutch West India Company, 5 Dye-producing plants cochineal cactus, 22 indigo tree, 22 indigo of Tabasco, 22 indigo shrub, 22 Indigo shrub, 22 Earth almond, chufaa), 52 Edes, Richard A., 78 Egyptian grass, see Johnson grass Eisen, Gustav, 103, 104 Ellis, John, 10, 14 Ellsworth, Oliver, 38, 39 Elm, Chinese, 121, 123 Enlow, R. C., 129 Entomology, Bureau of, 126 Erlanson, C. 0., 133 Esparto grass, 74