Herbariums-- Bank’s, 132, 148. Boissier, Geneva, 374, 720. British Museum, 110, 132, 146, 151, 387. Cosson, 715. De Candolle, 18, 267, 374, 718, 724. Delessert, 720. Desfontaines and Poiret, 23, 176. Engelmann, 753. Fraser, 135, 136. Gronovian, 150. Humboldt, 173. Jardin des Plantes, Musée du, 172, 382, 709, 715, 799. Joad, 752. Jussieu, 23, 173, 175, 709. Kew, 377, 378, 565, 701, 791. Kunth, 269. Labilliardière, 173. Lagasca, 720. Lamarck, 173, 716, 792. Lambert, 111, 128. Lehmann, 269. Lindley, 715. Linnæan, 22, 149, 150. Madrid, 701, 720. Mercier, 173. Michaux, 23, 162, 164, 172, 178, 681. Mill, 659. Nuttall, 193, 697. Oxford, 379. Poiret, 173. Pursh, 22, 111, 128, 136, 148, 152, 174. Pylaie, de la, 173. Requien, 185. Richard, 172, 173, 178. Royal Herbarium, Berlin, at Schönberg, 269. Sims, 151. Schultz, 715. Short, 499. Torrey, 641. Ventenat, 178. Vienna, 210, 214, 223, 795. Walter, 130, 134, 136, 174. Webb, 157, 173. Willdenow, 268, 392, 709, 716. Heterogeny, 505. Heterogone, 664. “Historicus,” 506, 513. Hodge, Prof. Charles, 646. Hollister, Col., 768. Holmes, O. W., 694, 725. Holton, I. F., 415, 421. Home Rule, 790. Hooker, W. J., letters to, 50, 57, 268, 273, 277, 282, 289, 298, 304, 306, 324,334, 350, 357, 364, 367, 392, 401, 408, 411, 415, 421, 433, 440, 449, 498, 531; references to, 21, 22, 33, 89-92, 103, 110, 130, 370, 378, 381, 418, 437, 442, 499, 541, 542. ---- work with (1838), 90, 92, 93. Hooker, J. D., letters to, 317, 336, 455, 702, 707, 718, 728, 734, 742, 744, 751, 758, 781, 785, 790, 794, 811; references to, 22, 92, 110, 115, 119, 123, 125, 130, 270, 307, 380, 413, 417, 442, 449, 468, 478, 489, 512, 520, 532, 541, 565, 566, 592, 666, 669, 670, 671, 675, 678, 679, 702, 712, 714, 717, 722, 723, 752, 792, 806, 810. Hope, Prof., 99. Horner, 613. Horsfield, T., 119. Houghton, 73, 76. “How Plants Behave,” 624. “How Plants Grow,” 438, 444. Howard, Joseph, 3. Howland, J., letters to, 590, 593. Hudsonia montana, 310. Huet, 426. Hügel, Baron, 219. Hughes, T., 608. Humboldt’s herbarium, 173. Hunneman, J., 149. Hunter, John, 117. Huxley, T. H., 458, 504, 505. Hyams, M. E., 681, 682, 683, 692. Hyatt, A., 624. Hybrids, 459. Hybridism, 458. Hymenophyllum ciliatum, 392. Iliad, Bryant’s, 613. Imaun, Joseph, 584. Impatiens, 508. Incas, 502. Inheritance, 561. Insectivorous plants, 510, 556, 557, 561, 633, 641, 645, 647, 649. Irving, Washington, 808. J. S. M., Letter to, 778. Jacquin, Baron, 216, 217, 795. James, Mrs. T. P., Letter to, 500. James, T. P., 423. Jameson, R., 100. Japan Flora, 445, 447, 450, 452. Japanese plants, 315. Jardin des Plantes, 23, 24, 157, 161, 178,381, 709, 715, 792. Jellett, 802. Jenyns, Soame, 321. Joad Herbarium, 752. Johnston, J. T. W., 108.