630 



BOTANY 



Thalictrmn, 117, 511 

 Thallium in plants, 172 

 Tlmllophyta, 301 ; form, 13, 59 

 Thallus, 10-14, 375 

 Thamnidiwm, 348 

 Thea, *524, 525 

 Thecae, 447 

 The'in, 206 

 Thelephoreae, 370 

 Theobroma, *529 

 Theobromin, 206 

 Theoretical diagram, 39 

 Therm atropism, 263 

 Thesium, 566 ; Haustoria, 209 

 Thickening of stem, 75, 120, 137 

 Thistle, Blessed, Cnicus 

 Common, Cirsium 

 Plumeless, Cardvus 

 Thladiantha dubia, 225 

 Thlaspi, 172, 519 

 Thorn-apple, Datura 

 Thorns, *26 



Thorough-wax, Bupleurum 

 Thorough wort, Mupatorium 

 Thrift, Armeria 



Thuja, *433, 440 ; budding, *45 ; leaf, 46 

 Thyme, Thymus 

 Thymelaea, Thymelaeinae, 539 

 Thymus, 587 

 Tilia, *528 ; wood, 129, *130, *131, *132 ; 



pollen-grains, 430 

 Tiliaceae, *527 

 Tillandsia, 195 

 Tilletia, Tilletiaceae, 361, 362 

 Tin in plants, 172 

 Tiunevelly Senna, 559 

 Tissues, 86 sqq.; systems, 90 ; distribution 



of, 108 ; secondary, 120 ; tension 



of, 167 ; mechanical, 169 

 Titanium in plants, 172 

 Toad-flax, IAnaria 



-spools, Agaricineae 

 Tobacco plant, Nicotiana 

 Todea africana, 279 

 Toluifera, 560, 562 

 Tolypellopsis, 340 

 Tomato, Lycopersicum 

 Tomentella, basidia, 363 

 Tonoplast, 55 

 Toothwort, Lathraea 

 Torilis, 549 

 Torsion, 248, 258-262 

 Torus, *76, *77 ; of flower, 450 

 Touch-me-not, Impatiens 

 Touch- wood, Polyporus fomentarius 

 Tracheae, 84, 102, *126, 127, *128, 185 

 Tracheal portion of vascular bundles, 101 ; 



tissue, 126 

 Tracheids, 77, *82, 85, 102, 125, 126, *128 

 Tradescantia, 470 ; hairs, *53, 98, 244 ; 



nucleus, 62, *63 ; epidermis, *94 



..Tragacantha, 562 



Tragopogon, 248, 598 



Trama, 373 



Transfusion strands, 111, 112 



Transitory starch, 204 



Transpiration, 180, 186, 188-192 



Transversal geotropism, 256 ; heliotropism, 

 252 ; zygomorphism, 453 



Trapa, 236, 563 



Treacle-mustard, Erysimum 



Tree, 27 ; -ferns, Cyatheaceae 



Trefoil, Trifolium 



Tremella, basidia, *363 



Tremellineae, 363, 368 



Trentepo/dia, 322 



Trianea, 245 



Trichia, *305 



Trichogyne, 336 



Trichomanes, 405 



Trichomes, 95, *96, *97, *98 



Tricoccae, 248, 540 



Trifolioideae, 561 



Trifolium, 561 



Triglochin, 483 



Trigonella, 561 



Trimerous flowers, 462 



Trimorphic heterostyly, 287 



Triploeaulescent plants, 27 



THticum, 480, 482 ; starch, *69 ; aleurone, 

 *71 ; growth, 231 



Triwridaceae, 484 



Tropaeolaceae, 532 



Tropaeolum, 532 ; leaf, 34, *199 ; chroma- 

 tophores, *58 ; amyloid, 81 ; water- 

 pore, *95 ; exudation, *193 ; helio- 

 tropism, 254 



Truffle Fungi, Tuberaceae 



Trypsin, 54 



Tsuga canadensis, leaf-bud of, *37 



Tuber, 23, 33, *354, 355; multiplication 

 of, 278 



Tubera, 23 ; Aconiti, 512 ; Jalapae, 577 ; 

 Salep, 490 



Tuberaceae, 352, 355 



Tubercle fungus, Bacillus Tuberculosis 



Tubiflorae, 576 



Tubuliflorae, 597 



Tulipa, 468 ; bulb, *23 



Turgidity, 165-167 



Turgor, changes of, 162, 167, 269 ; tension, 

 231, 247 



Turnip, Brassica Rapa, see also Betain 

 -cabbage, Brassica Napus [Napobrassica) 



Tussilago, 597-599 



Twin-flower, Linnaea 



Tyloses, *125 



Typha, 475 ; inflorescence, 225 ; seed, 

 294 



Typhaceae, 475 



Typhus bacillus, 309, *312 



Tyrosiu, 203 



