744 



BOTANY 



Xurirella, 350 



Suspensor, *463, 464 



Swarm spores, *5f>, *265 ; heliotaetic 



movement of, 277 

 Sweetbay, Laurv.s nobili* 

 Xii;'rtia, 651 

 Symbiosis, 227, 415 

 Symmetry, relations of, 15 ; floral, 507 

 Sympetalae, 645 

 Symphytum, *513, 658 

 Syinpoilium, 18 

 Synapsis, 84, *85 

 Syin arpous gynaeceuin, 503 

 Xi/iieilrit, 350 

 Synergidae, 514 

 X'triiiya, *649 



Tabasheer, 192 



T<iln'rin'Hiiint<iini, 652 



Tactile hairs, 108 ; pits, *65, 67 



TaeniophyUwn, 48 



'/''i/i'fes, 687 



T'luKn-indus, *601, *602, *603, 605 



Tumiis, 544 



Tatiacetinn, 688 



Tannic acid, 563 



Tannin, 71, 73, 78, 93, 133 



Tapetum, 441 



Tiiphrina, *398 



Tap-roots, 47 



Taraxaci radix, 688 



Taraxacum, 682, *683, *684 ; apogamy, 



93, 518 ; tissue tensions, 181 

 Taxaceae, 489 

 Tn.i'iiilivin, 494 

 Taxus, *482, *490, *491 ; vascular system, 



124, *125 

 Tea, 628 

 Teak, 659 

 Teazel, J)i/i*ti<-n.-< 

 Tecoma, 666 

 Tectona, 659 

 Teleutospores, 403 

 Tellurium in plants, 187 

 Telophase, 84 

 Temperature, cardinal points of, 176 ; in- 



fluence on growth, 257 

 Tendrils, 27, 44, 288, *289 : climbers, 287 

 Teratology, 167 

 Terebinthinae, 610 

 Tegiimentary system, 100 

 Terminal leaves, 21 

 Terminalia, 632 : fruit, 320 

 Ternstromiaceae, 627 

 Test'tul i Hit ria, 544 

 Tetracyclicae, 649 

 TetragonolcHnUf 607 

 Tetraspores, 375 

 Teucrium, 659 



T/ialictri'm, 574 ; apogamy, 93, 518 

 Thallium in plants, 187 



Thallophyta, 110, 329 ; conducting tracts. 



110 : form, 11 ; fossil, 465 

 Thallus, 11 

 Tliiinniiiliiiin, 385 

 7V,/, *628 

 Theine, 226 

 77*. /,'/;/</,/, *417 

 Thelephoreae, 410 



624, *625, 626 

 , 226 



Thermotropism, 286 

 Tl<i- x ;,nn, 231, 644 ; haiistnria. I'. 1 

 Thlini;<i,itli tint,;,,, 249 

 Thlaspi, 591 

 Thornapple, Datum 

 Thorns, 28 



Thuja, 492 ; germination, *161 

 Thus americamim, 498 

 Tliymelaeaceae, 631 

 Thymelaeinae, 631 

 Thymol, 660 

 Thymus, 660 

 Tilia, 623, *624 ; hast, *141 ; stem, *138; 



wood, *138, *139, *140 

 Tiliaceae, 623 

 Ti//ti,,tlxi<i, 49, 197, 213 

 TUletia, 402, *403 

 Tilletiaceae, 402 

 Tin in plants, 187 



Tissues, 97 ; mechanical, 182, *183 ; pri- 

 mary, 100 ; secondary, 100, 127 ; 



systems, 99 ; tension of, 181 

 Titanium in plants, 187 

 Tobacco, 663 

 Tnlypdlopsit, 36f 

 Tomato, I.i/i-o/H'i'sii-Hiii 

 Tonoplast, 58 

 Tooth wort, Lathraea 

 Tozzia, 231, 666 

 Tracheae, 35, 95 

 Tracheides, 72, 96, 112, *132, *135 ; 



fibrous, 72, 135 ; vascular. 72 

 Traction fibres, 82 

 Tradescantia, cell, *59 ; circulation of 



protoplasm, 59 ; direct division, *87 ; 



hairs, 107 ; stomata, *103 

 Tragacantha, 609 

 Tragopogon, 682 

 Transfusion cells, 120 

 Transition cells, llf> 

 Transitory starch, 224 

 Transpiration, 196, 205-209, 212 ; current, 



*202 ; current, causes of, 203 

 Transverse heliotropism, 277 

 Tr,i,,a, 42 

 Trees, 29 ; age of, 263 ; ferns. 445, *446 ; 



ferns adventitious roots, IS ; influence 



of wind on, *177 ; weeping varieties, 



29, 251 

 Tremella, *400 

 Tremelliueae, 408 



