Schleiden, 151. Schönbrunn Botanic Garden, 218, 795. Schooling, 5-8. Schott, H., 218. Schreber, 451. Schultz Bipontinus, C. H., 715. Schultz-Schultzenstein, C. H., 329. Schultes, J. H., 235, 239. Schwägrichen, C. F., 267. Schweinitz, Bishop, 17, 44. Schweinitzia, 310. Scientific Club, 287. Sedum pusillum, 652, 653. Seemann, B., 473. Semonville, Marquis, 24. Senecio, 293, 294. “Sequoia and its history,” 628, 638. Sequoia sempervirens, 412. Seringe, N. C., 24, 181. Sessé, 782. Shaw, Henry, 446, 453, 468, 752, 753, 761, 782. Shaw Botanic Garden, 761, 782. Shepherd, J., 88. Short, C. W., 411, 447, 498. Shortia galacifolia, 178, 179, 681, 682, 683, 686, 687, 692. Siebold, P. F., 376. Silliman’s Journal. See Am. Journal Science and Arts. Silphium, 400. Silver Craze, 781. Sims’ herbarium, 151. Slavery, 296, 535. See also Rebellion. Sloane, Sir Hans, 199, 200, 201. Smilax rotundifolia, 52. Smith, Goldwin, 536. Smith, I. A., 345, 346. Smith, J. E., 685. Smithsonian Institution, 397, 403, 665; Regent, 729, 730. Smyth, N., 695. Snake country collections, 90, 92. Soleirol, 20. Solidago, 279, 726. Sophocles, E. A., 434. South Pacific Exploring Expedition, See Exploring. Spach, E., 23, 165, 176, 382, 418. Species, 520, 617, 657, 744. See also Evolution, origin of. Species, definition of, 497; essential character of, 691. Spedding, J., 732. Spelling match, 6, 787. Spencer, H., 459, 740, 759. Sprague, Isaac, 329, 330, 340, 347, 357, 362, 364, 366, 405. Sprengel, 813. Spruce’s plants, 437. St. Augustine, 659. St. Hilaire, A. de, 24, 167, 168. Stanley, Dean, 605, 722. Staunton, Sir F., 118. Steindachner, 795. Stephens, 539. Stokes, 805. Stokesia cyanea, 279. Stone Mountain, 650. Story, 801, 802. Strachey, Gen., 671. “Structural Botany,” 814. “Studies in Solidago and Aster,” 726. Subspecies, 744. Subtropical Plants, Mexican, 765. Sullivant, W. S., 28, 129, 280, 290, 306, 308, 310, 318, 360, 390, 433, 514, 640, 641, 668. Sumner, C., 494. Süss, E., 795. Switzerland, walking tour in 1839, 240-263; (1869) 590. Synoptical Flora. See Flora. Talbot, 802, 805. Talbot, Fox, 127. Targioni-Tozzetti, 200. Tatnall, E., 446. Taylor, Richard, 114, 117. Taylor, Dr., 789. Taxus nucifera, 129. Teacher in Utica, 16, 18, 19, 29, 37. Teaching, 438, 439. Teleology. See Design. Temple, Bishop, 602, 780. Tendrils, 492, 510, 512, 538, 539, 548, 611, 631, 633. Tetradymia, 293. “Text-Book, Botanical,” 28, 281, 282, 286, 289, 290, 297, 329, 334, 365, 366, 368, 685, 687, 693. Thanksgiving, 738. Thayer, N., 816. Thayer, J. B., 781. “Théorie Elémentaire,” De Candolle, 47. Thompson, W. H., 380, 713. Thompson, T., 380, 592. Thomson, Sir William, 759. Thurber, G., letters to, 408; references to, 406, 694. Thurberia, 408, 409. Thuret, G., 569, 572. Thury, 519. Tommasini, J. S., 25, 209. Torrey, Herbert Gray, 141.