Index Greeley, Horace, 86 Grimm, Wendelin, 51 Guava, 92, 106 Guinea corn, 5, 87 Guinea grass, 9, 93 Gum arabic, 106 Hamilton, William, 9 Hand pollination, 138 Hansen, Niels Ebbesen, 114, 115, 128 Haraszthy, Agoston, 75 Harlan, J. R., 139 Harnden, Enos S., 100 Harris, John, 28 Hatch Act of 1887, 97 Hegari sorghum, 87 Hemp bowstring, 107 Italian, 107 Manila, 74 seed, 136 sisal, 74, 107 Henequen Agave, 22 sunn, 107 Hessian fly, 66, 67 Heusler, George, 10 Hewison, R., 127 Hibiscus, 74 Hill, Walter, 76 Hogg, Thomas, (see footnote 6), 37 Holloway, D. P., 40, 41 Holt, Joseph, 46 Homestead Act, 54, 69 Hops, Bavarian, 119 Horseradish, (Maliner Kren), 113 Hormones in fertilization of figs, 105 Hoyt, R. D., 80 Hybridization of grapes, 75 Imperial Botanic Garden of St. Peters- burg, 89 Imports, agricultural, value of, 110 Indian corn, 94 Indigo, 7, 22 Introduction stations, 138 Inventory of plants introduced, 110 Isabella grape, 74 Jackson, John, 82, 83 Japanese lespedeza, 93 Jefferson, Thomas, 16, 17 Johnson grass, 93, 127 Jones, Jacob, 28 Jones, L. R., 133 Jesuits' work in introduction of sugar cane, 7 Judd orange, 48 Jujube, Chinese, 122 Jute, 73, 74, 107 Kafir, red, white, pink, 87 Kale, Scotch, 14 Kearney, Thomas H., 130, 133 Kelz, W. N., 139 Knapp, Seaman A., 118 Kren, Maliner (horseradish), 113 Laboratory of Plant Life History, 121 Lamson-Scribner, F., 108 Lathrop, Barbour, 112, 128 Laurens, Henry, 9, 91 LeDuc, William, 62, 68, 70, 81, 82, 87, 88, 89, 91 LeFranc, Emile, 72, 74 Lemons, 78 Lentils, 51 Lespedeza Japanese, 93 Korean, 129 Lima beans, 28 Limes, 9 Lincoln, Abraham, 55 Linnean Botanic Garden, 8 Liquorice, 52 Logwood tree, 22 Lombardy poplar, 9 London, Kew Royal Botanic Gardens at, 11, 64 Loring, George B., 63, 83 Lucas, George, 7 Lupine, white and yellow, 51 Lupinella, 26, 28 Machine pruning and picking, 85 Maize, 1 African, 30 Forty Days, 50 White Milo (guinea corn), 87 Malaria anti-fever tree, 76 Mango, 92 East Indian mulgoba, 131 mulgoba, 106 Mangosteen, 92, 112, 131 Mason, Charles, 40, 43, 49, 50, 71, 76, 91, 136 Mate, Paraguay tea, 33 Matting materials, 133 McKinley tarriff act of 1890, 97