io68 



INDEX 



Toadflax, 828 

 Todea, 519, 520, 532 

 Tolypella glomerata, 386 

 Tomentose surface, 1005 

 Tonoplast, 8, 14 

 Torenia, 957 



Torreya, 695, 696, Ggj, 704 

 Torus, 465, 663 

 Tournefort, 43 

 Trabeculae, 580, 6oi, 733 

 Trace elements, 339 

 Trachea, 463 

 Tracheidal cells, 673 

 Tracheids, 462, 664 



— marginal ray, 665 

 Tradescantia, 28, 837 



— virginica, 13 

 Trama, 323 



Transfusion tissue, 600, 673, 717 

 Traumatic reversion, 669 

 Tree Ferns, 481 

 Trentepoldia, 366 

 Treponema pallidum, 348 

 Trev'iranus, L.C., 784 

 Triarchy, 670 

 Triclioloma terreiim, 337 



— virgatum, 337 

 Trichomanes, 511, 518, 519 



— reniforme, 5 1 6 

 Trichomes, 468, 651, 869 

 Trichophorum germonicum, giy 

 Trichothallic growth, 115 

 Tiifolium, 994 

 Trigonocarpiis, 744 

 Trilacunar traces, 890 

 Tripinnate leaves, 952 



Triticum vulgar e, 295, 47^), 1002, 1024 

 Tritonia, 940 

 Trochodendron, 904, 908 

 Tropaeolum, 955, 1017, 1037 



— tnajus, 864 

 Trumpet hyphae, 131 

 Tulipa, 936, 941, 1040 

 Tunica, 452, 850 

 Turgor pressure, 16 

 Turner, William, 42 

 Turnip, 812 

 Turpentine, 669 

 Turrill, 1020 



Tussilago farfara, 933, 1005 



Tyloses, 669, 898 



Types described ; outline classification of, 



— of life-cycle in Algae, 183 



Ulex europaeus, g2g 

 Ulrmis, 839, 898, 951 



— glabra, var. hollandica, 8yj 



— procera, 465, 469, 8g2 

 Ulothrix ; asexual reproduction, 81 



— sexual reproduction, 81 

 Ulothrix zonata, 80 

 Ulotrichales, 80 

 Umbelliferae, 871, 994 

 Umhilicaria, 377 



Umbo, 677 

 Uncinula, 256, 257 



Unifacial leaves, 999 



— structure, 10 19 

 Uniseriate rays, 903 

 Universal veil, 322 

 Urediniales, 295 

 Uredospores, 300 

 Urtica, 899 



— dioica, 303, 471 



— stimidons, 472 

 Urticaceae, 1027 

 Ustilaginales, 307 



— heterothallism, 307, 309 

 Ustilago, 307 



Ustilago avetiae, 307, 308, 310, 311 



— hordei, 308 



— levis, 308, 311 



— life history, 308 



— longissiiua, 389 



— nuda, 308, 3og 



— tritici, 308 



— violacea, 310 

 Utricularia, 787, 974 



— coenica, g75 



Vaccitnum myrtillus, 608 



Vacuolar membrane, 8 



Vacuoles, 10, 15 



Vacuolization, 15 



Vagina, 993 



Vaginule, 444 



Valeriana, 1030 



Vallecular canals, 621 



Van Beneden, 34 



Van Tieghem, 678 



Vanda, 817 



Vascular bundles, 854, 863, 884 



— Cryptogams, 478 

 Vaucheria, 94 



— asexual reproduction, 95 



— sexual reproduction, 96 

 Vaucheria repens, g6 



— sessilis, g7, g8, gg 

 Vectors of viruses, 364 

 Velamen, 816 

 Vellozia, 824 

 Velum, 599 

 Venation, 948 



— of leaves, 957 

 Verboscum, g55 



— olynipicum, 1005 

 Vernation, 972 

 Veronica, 856 

 Verrucaria margacea, 373 



— maura, 375 

 Vessels, 465, 752, 859 

 Vibrio, 347 

 Viburnum, 1028 



— fragrans, 852 



— lentago, 476 



— opulus, 992 

 Vicia, 992 



— faba, 17, 19, 21, 23, 27, 451, 7g5, 806, 



880, 1037 

 Victoria regia, gsG 

 Vinca, 856 



— major, 88§ 



— rosea, 1016 



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