Genera and their Authors—continued. 
Trichoceros, Humboldt, 
and Kunth. 
Trichodesma, R. Brown. 
Trichoglottis, Blume. 
Trichomanes, Smith. 
Trichopetalum, Lindley. 
Trichopilia, Lindley. 
Trichosacme, Zuccarini. 
Trichosanthes, Linnzeus. 
Trichosma, Lindley. 
Trichostema, Linnzus. 
Tricoryne, R. Brown. 
Tricuspidaria, Ruiz and Pavon. 
Tricyrtis, Wallich. 
Tridax, Linnzus. 
Trientalis, Linnzus. 
Trifolium, Linnzeus. 
Trifurcia, Herbert. 
Triglochin, Linnzeus. 
Trigonella, Linneeus. 
Trigonia, Aublet. 
Trigonidium, Lindley. 
Trilisa, Cassini. 
Trillium, Linnzus. 
Trimezia, Salisbury. 
Trinia, Hoffmann. 
Triodia, R. Brown. 
Triolena, Naudin. 
Triopterys, Linnzus. 
Triosteum, Linnzeus. 
Triphasia, Loureiro. 
Triphysaria, Fischer and Meyer. 
Triplaris, Linnzeus. 
Tripsacum, Linneus. 
Tripterygium, J. D. Hooker. 
Triptilion, Ruiz and Pavon. 
Trisetum, Persoon. 
Tristagma, Pceppig and Endlicher. 
Tristania, R. Brown. 
Triteleia, Lindley. 
Trithrinax, Martius. 
Triticum, Linnzus. 
Tritonia, Ker. 
Triumfetta, Linneus. 
Trixis, P. Browne. 
Trizeuxis, Lindley. 
Trochetia, De Candolle. 
Trochiscanthes, Koch. 
Trochocarpa, R. Brown. 
Trollius, Linnzeus. 
Tropeolum, Linnzeus. 
Trophis, Linnzus. 
Tropidia, Lindley. 
Troximon, Nuttall. 
Trymalium, Fenzl. 
Tryphena, Ochsenheimer. 
Tsuga, Carriére. 
Tulbaghia, Linnzeus. 
Tulipa, Linneus. 
Tunica, Scopoli. 
Tupidanthus, J. 
Thomson. 
Tupistra, Ker. 
Turnera, Linnaeus. 
Turpinia, Ventenat. 
Turrea, Linnzus. 
Tussacia, Reichenbach. 
Tussilago, Linnzus. 
Tychius, Germar. 
Tydea, Decaisne. 
Tylophora, R. Brown. 
Typha, Linnzeus. 
Bonpland, 
D. Hooker and 
SUPPLEMENT. 
Typhonium, Schott. 
Tytonia, G. Don. 
Ulex, Linnzus. 
Ullucus, Lozano. 
Ulmus, Linneus. 
Umbellularia, Nees. 
Unearia, Schreber. 
Uncifera, Lindley. 
Ungnadia, Hndlicher. 
Uniola, Linnzus. 
Unona, Linnzeus, jun. 
Uraria, Desvaux. 
Urceolina, Reichenbach. 
Urechites, Mueller. 
Urena, Linneus. 
Urginea, Steinheil. 
Uroeystis, Rabenhorst. 
Uroskinnera, Lindley. 
Urospatha, Schott. 
Urospermum, Scopoli. 
Ursinia, Geertner. 
Urtica, Linneus. 
Urvillea, Humboldt, Bonpland, and 
Kunth. 
Ustilago, Persoon. 
Utricularia, Linnzus. 
Uvaria, Linnzus. 
Uvularia, Linnzeus. 
Vaccinium, Linnzus. 
Vaillantia, De Candolle. 
Valdivia, Remy. 
Valeriana, Linnzus. 
Valerianella, Moench. 
Vallaris, Burmann. 
Vallesia, Ruiz and Pavon. 
Vallisneria, Linnzeus. 
Vallota, Herbert. 
Vanda, R. Brown. 
Vandellia, Linnzeus. 
Vanessa, Ochsenheimer. 
Vangueria, Jussieu. 
Vanilla, Swartz. 
Veitchia, H. Wendland. 
Velezia, Linnzeus. 
Vella, Linnzeus. 
Velleia, Smith. 
Vellozia, Vandelli. 
Veltheimia, Gleditsch. 
Venidium, Lessing. 
Ventilago, Gartner. 
Veratrum, Linnzxus. 
Verbaseum, Linnzeus. 
Verbena, Linnzus. 
Verbesina, Linnzeus. 
Vernonia, Schreber. 
Veronica, Linnzus. 
Verschaffeltia, Wendland. 
Verticordia, De Candolle. 
Vesicaria, La Marck. 
Veslingia, Visiani. 
Vespuccia, Parlatore. 
Vestia, Willdenow. 
Viborgia, Thunberg. 
Viburnum, Linnzus. 
Vicia, Linneeus. 
Victoria, Lindley. 
Vigna, Savi. 
Viguiera, Humboldt, Bonpland, and 
Kunth. 
271 
Villanova, Lagasca. 
Villaresia, Ruiz and Payon. 
Villarsia, Ventenat. 
Vilmorinia, De Candolle. 
Viminaria, Smith. 
Vinea, Linneus. 
Vincetoxicum, Moench. 
Viola, Linnzeus. 
Virgilia, La Marck. 
Viscum, Linneus. 
Vismia, Vellozo. 
Visnea, Linnaeus, jun. 
Vitex, Linnzus. 
Vitis, Linneeus. 
Vittaria, Smith. 
Viviania, Cavanilles. 
Voandzeia, Thouars. 
Vochysia, Jussien. 
Vouapa, Aublet. 
Voyria, Aublet. 
Wachendorfia, Linneus. 
Wahlenbergia, Schrader. 
Wailesia, Lindley. 
Waitzia, Wendland. 
Waldsteinia, Willdenow. 
Wallichia, Roxburgh. 
Walsura, Roxburgh. 
Waltheria, Linnus. 
Warrea, Lindley. 
Washingtonia, H. Wendland. 
Watsonia, Miller. 
Webera, Schreber. 
Wedelia, Jacquin. 
Weinmannia, Linnzeus. 
Welfia, H. Wendland. 
Welwitschia, J. D. Hooker. 
Wendlandia, Bartling. 
Werneria, Humboldt, Bonpland, and 
Kunth. 
Westringia, Smith. 
Whiteheadia, Harvey. 
Whitfieldia, Hooker. 
Widdringtonia, Endlicher. 
Wigandia, Humboldt, Bonpland, and 
Kunth. 
Willdenowia, Thunberg. 
Willemetia, Brongniart. 
Willughbeia, Roxburgh. 
Wistaria, Nuttall. 
Witheringia, L’ Héritier. 
Witsenia, Thunberg. 
Woodfordia, Salisbury. 
Woodsia, Brown. 
Woodwardia, Smith. 
Wormia, Rottboell. 
Wrightia, R. Brown. 
Wulfenia, Jacquin. 
Wulftia, Necker. 
Wullschlegelia, Reichenbach, jun. 
Wurmbea, Thunberg. 
Wyethia, Nuttall. 
Xanthisma, De Candolle. 
Xanthium, Linnzeus. 
Xanthocephalum, Willdenow. 
Xanthoceras, Bunge. 
Xanthochymus, Roxburgh. 
Xanthoriza, Marshall. 
Xanthorrhea, Smith. 
