INDEX 



515 



Tigridia, embryo, 348 



seedling, 348 

 Tilia, cotyledon, 329, 344 



inflorescence, adnation to bract, 79 



xylem, 51, 54 

 TiUandsia, embrjo, 322 

 Tinantia, embryo, 328, 343, 350, 360 



seed, 328 

 Tissues, primary, 21 



secondary, 22 

 TofieldUi, anther dehiscence, 378 



carpel, 186-189, 190, 441 



embr)'o, 329 



flower, 441 



placentation, 210 



seed, 329 

 Torreija, ovule, 272 

 Trachijcarpits, gynoecium, 447 

 Transmitting tissue, 178, 188, 196-198, 



199, 200, 201, 202-204 

 Trapa {see Trapaceae) 

 Trapaceae, embryo, 359 



ovules, 256 



pseudomonocotyledony, 359 

 Trees, fruits, 380 



occurrence in some primitive families, 

 388, 392, 395, 401, 405, 409, 418, 

 432, 436, 442 



seeds, 370 



size, 3 



species, number of, 3 

 Trema, anther wall, 136 

 Tremandraceae, anther dehiscence, 165 



xylem, 54 

 Triassic period, leaves, 449, 450 

 Trichoma, 3 

 Tricopus, embryo, 360 

 Trictjrtis, syncarpy, 441 

 Trifolium, leaf, 9 



pseudopolyembryony, 346 

 Triglochin, androecium, 104 



carpels, 197, 198 



embryo, 329, 331 



flower, 440 



inflorescence, 78, 440 



leaf, 18 



perianth, 438 



pollen, 163 



relationships, 440 



seed, 329 

 Trillium, cotyledon, 329, 331, 332, 343, 

 346, 357, 360, 365 



embryo, 329 



intraseminal growth, 319 



polyembryony, 346 



seed, 329 



venation, 18 



Trimeniaceae, characters, 420 



flowers, 421 



node, 26, 420 



pollen, 421 



wood, 421 

 Triosteum, carpel, 198 

 Triple fusion, 309 

 Triticum, embryo, 350 

 Trochodendraceae, androecium, 100 



anther. 111, 124 



carpel, 190 



chromosome number, 429, 431 



flower, 89, 407 



gynoecium, 407, 423 



ovule, 407 



perianth, 89, 424 



phloem, 407 



placentation, 427 



pollen, 429 



pollination, 170 



relationships, 409, 411, 430 



stamens, 407 



taxonomic position, 407 



xylem, 43, 47, 407, 435 

 TrolUus, carpel, 93, 189, 190 



ovules, 271, 413 



stamens, 105 



stigma, 198 

 Tropaeolum, stipules, 14 

 Tsuga, pollen germination, 178 



pollen tube course, 189, 387 

 Tube nucleus (tube cell), 175, 176, 180, 



181 

 Tubiflorae, vascular system in ovule, 



274 

 Tulipa, inflorescence, 72, 77 

 Tunica, 31, 32, 33, 34, 423 

 Tunica-corpus theory, 31-33, 34, 35 

 Two-trace appendages, theory of, 27 

 Typlm, androecium, 105 



anther dehiscence, 378 



fruit, 380 



inflorescence, 68 



pollen, 159 



stamen, pseudoterminal, 104 



Ulmaceae, anemophily, 173 



anther, 141 



gynoecium, 240, 241 



inflorescence, 75 



ovule, 270 



xylem, 54 

 Umbel, 71 

 Umbelliferae, embryo, 359 



hypocotyl, 325 



inflorescence, 72 



intraseminal growth in embryo, 319 



