INDEX 



827 



Toxins, S04. 



Trachese, iig. 



Tracheids, 119. 



Trama, 743 (Fig. 252). 



Translocation of food, 218. 



Transpiration, 191. 



conditions which influence, 



194-196. 

 Transpiration-current, 191, 198. 

 Transverse section, 104. 

 Trees, 53. 



Trefoil, 71, 429, 646 (Fig. 196). 

 Triarch, 142. 

 Trifolium, '^'z.i, 421, 426, 440, 647 



(Figs. 128, 197). 

 Trisetum, 538, 552, 668. 

 Trispecific hybrids, 289. 

 Triticum, 515, 550, 553. 

 Troptsolum, 189, 251, 

 Trump wheat, 524. 

 Trumpet lily, 90. 

 Trunk, 53. 

 Trypsins, 231, 232. 

 Tuber, 56, 459 (Figs. 141-144). 

 Tubercles of root, 796; 

 Tuberculosis, 805. 

 Tuberous root, 27. 

 Tubuliflorse, 472. 

 Tufted hair-grass, 537, 671. 

 Tulip, 58, 59 (Fig. 25), 102, 223, 2sr, 



268, 305, 310, 328. 

 Tunicated bulb, 60. 

 Turgid, 178. 



Turgid wheat, 519 (Fig. 178). 

 Turnip, 72, 98, 161, 276, 309, 317, 371, 



386 (Figs. 48, 116-120, 123). 



seed of, 641. 



varieties of, 374, 375. 



Tussilago, S94- 



Tussock grass, 537. 



Tyloses, 12S. 



Tyrosine, 167, 231. 



Tway-blade, 329. 



Twigs in winter, 42. 



Twining plants, 53. 



Twitch, 551, 602. 



Two-rowed barleys, 504 (Fig. 161). 



Ulex, 436, 440. 



Ulmus, 63. 



Umbel, 91. 



Umbelliferae, 69, 92, 97, 280, 288, 327, 



441-455, 606. 

 Uncinula, 757. 



Unilocular ovary, 86 (Fig. 38). 

 Unisexual, 87. 



Unorganised ferments, 227, 780. 

 Upright grow-foot, 605. 

 Urea, fermentation of, 786. 

 Uredinese, 726. 

 Uredo, 732. 



Uredospore, 728 (Fig. 246). 

 Uromyces, 739 (Fig. 250). 

 Urtica, 610. 

 Urticaceae, 610. 

 Ustilaginacese, 716. 

 UsHlago, 717, 719, 720, 723. 

 Utricle, primordial, 107. 



Vacuole, 105. 



Valves, 98. 



Variation, 305, 312, 316. 



Varieties, 321. 



Variety -hybrid, 286. 



Vascular bundle, 113 (Figs. 53-55, 70, 



71). 

 Vascular cylinder, 114, 116. 

 Vegetable marrow, 96. 

 Vegetative cell, 270 (Fig. 97). 



organs, 78. 



reproduction, 258. 



shoot, 34. 



Velum partiale, 743 (Fig. 251). 



Velvet-eared wheat, 526. 



Venation, 69. 



Ventral suture, 85 (Figs. 37, 38). 



Verbena, 90. 



Vernfil-grass, sweet, 280, 530, 555, 663 



(Figs. 171, 208). 



Fuel's, 531, 664. 



Veronica, 280, 327. 



Vessel, 119 (Fig. 55). 



Vetch, 71, 74, 280, 284, 418. 



Vetchling, 420. 



Vexillum, 410. 



Vibrio, 769 (Fig. 260). 



Viburnum, 61. 



Vicia, 412, 416, 439. 



Victoria wheat, 524 (Fig. 169). 



Vilmorin, 309, 312. 



Vine, 74, 92, 187, 260. 



Vine mildew, 713, 757, 



Viola, 287, 667. 



Violet, 279. 



Viscum, 575. 



Vittas, 442 (Fig. 134). 



Volatile oil, 164, 347. 



Volume-weight of seeds, 632-635. 



Wagner's Everlasting pea, 420. 



Wall barley, 548. 



Wallflower, 81, 91, 98 (Fig. 44). 



