608 
INDEX 
All numbers refer to pages, heavy type indicating illustrations. | 
Thymelecee, Mezereum Family 
Thymus vulgaris, Thyme 
Tilia ulmifolia, Elm-leaved Lin- 
den 
Tiliaceew, Linden Family 
Tillandsia usneoides, Southern 
Moss 
Timber, pi pins, 260 
Tinning, 1 
Tint-ball re 471, 558 
Tint-ball Family: tint-ball alga, 
471 
Tires, 284 
Tissue, 486, 560; systems, 539, 560 
Tissues, meristematic, 487; per- 
manent, 487 
Toadstools, 111, 213 
Tobacco, 182, 184, 208, 382, 416, 
417; Indian, 201, 384, 418, 419 
Toilet soaps, 296 
Tomato, 83, 84, 85, 121, 124, 382; 
fruit, 114 
Tool-handles, 259, 260, 269 
Toothpicks, 245, 268 
Torches, 282 
Torus, 349, 350, 352; concave, 
355; convex, 355; epigynous, 
365; fleshy, 364; hollow, 380 
Toys, 245, 259, 263, 270, 284 
Trachylobium Hornemannianum, 
Zanzibar Copal-tree 
Tragacanth, 163 
Tragacanth Shrub, 164, 165, 366, 
410, 411 
Tragacanthin, 164 
Traveling gametes, 512 
Tree, 36; of life, 484 
Tree-cabbage, 274 
Tree-ferns, 299, 535, 538, 540 
Treenails, 259 
Trees, 306, 333 
Trestlework, 245 
Trianon botanic garden, 311 
Triticum sativum, Wheat 
True, gums, 287; mosses, 519, 530; 
woods. 256 
Trunk of fern, 540 
Trunks, 263 
Truth, supreme test of, 429 
Tsuga canadensis, Hemlock 
Tuberculosis bacterium, 494 
Tuber, 48, 541, 542 
Tubiflore, Phlox Order 
Tubs, 243 
Tubular floret, 380 
Tulip-tree, 261, 358, 406, 407 
Tulip Whitewood, 261, 263 
Turban Squash, 81 
Turkish Tobacco, 184 
Turnery, 242, 257, 259, 263, 268, 
269, 277, 280 
Turnip, 43, 54, 120, 124, 362; root, 
114 
Turpentine, 287, 288, 296 
Turps, 296 
Twice-compound, 339 
Twine, 223, 230 
Type, plants, 316; rubber, 284; 
wooden, 263 
Ulmacee, Elm Family 
Ulmus americana, American Elm 
campestris, English Elm 
Ulodendron, Giant Club-mosses 
Ulothrix zonata, Wool-weed 
Ulotrichacee, Wool-weed F ves! 
Umbel, 370 
Umbellales, Parsley Order 
U mbelliferc, Parsley Family 
Umbelliflore, Parsley Order 
Umbellule, 370 
Umbrella handles, 245, 274, 276 
Umbrella liverwort, 515, 516, 517, 
518, 519, 520, 521 
Uncoiled embryo, 355 
Universality of life, 569 
Upholstery stuffing, 235 
Upland Cotton, 225, 226 
Upright posture of land-plants, 
530 
Urticaceew, Nettle Family 
Urticales, Nettle Order 
Useful bacteria, 494; plants, 302 
Useless organs, 436 
Usnea barbata, Beard-lichen 
Usneacee, Beard-lichen Family 
Valvate estivation, 349, 354 
Vanilla, 146, 149, 391, 424, 425 
Vanilla planifolia, Vanilla 
Vanillin, 146 
Variation, 448, 449; under domes- 
tication, 456 
Varieties, 5, 428; cultivated, 6; do- 
ie 
