Tiarella,. . 
Tiarella, 
Tiedemannia, 
Tilia, . 
TILIACE, . . 
Tillandsia, . 
Tipularia,. . . 
WLISSAs ss Ye 
Tofieldia, . . . 
Tordylium, . . 
LOPAlisr he: se. se 
Tormentilla,. . 
Torresia, ... 
Torreya, ... 
Tovaria,.. .. 
Dilley.) a x 
Townsendia,. . .. 
Toxicodendron, . 
TOxylonysi. se aoe es 13 
Trachelospermum,......... 28} 
Trachynotia,., . . 45 
Tradescantia,.. ... 104 
Tragia, . 213 
Tragopogon,. . - 346 
Tragus,. . . By bbe ce Gord BE ag 29 
DPR Day ope fe! val AG 2p - 237 
Trautvetteria, . 2... 1, » 159 
’ Triantha,. ..... 108 
Tribulus, a a . 211 
Trichelostylis, . . . 95 
Trichochloa,.. ..... 36, 37 
Trichodiumy., . 2... es 38, 40 
Trichomanes, .... . 15 
' Trichophorum, ; 66 
Trichophyllum, . . 338 
Trichostema, ...... 286 
Lricuspis, oe en nt 48 
Briéntals,, 24-4: he tea cal 255 
Trifolium, OR a ew te GAEQS 
LPO Ss 196, 202, 209 
‘Triglochin, ’ eo ie 2A 
Trigonella,. . , 195 
Drs ay os ee a 314 
Trillium, .......0.. 115 
Triodia, . 48 
Triosteum, Nai tore » 305 
Tripsacum, . . . . 27 
Tripterella,. . 120 
Tripterocalyx, .. 356 
Trisetum,', . 43 
Trisetum, 44 
Triticum, . 57 
Trollius, 156 
Troximon, . 348 
Tsuga, . , 18 
Tullia, . . 280 
Tunica, , . 149 
Turritis, 174 
Tussilago, . 342 
19 
Typha, . . 
TYPHACEA, , 
Udora, . , 
Ulex, . , . 
ULMACE&, , . 
Ulmaria, 
Ulmus, . . . 
UMBELLIFER&, 
Umsema, . . 
Uncinia, 
Uncinia, 
Unifolium, . 
Uniola, . . . 
Urachne, , 
Oralepis, . 
Urtica, ‘ 
URTICACEA,. . 
Urticastrum, . . 
Utricularia, 
Uvularia, . . . 
Uvularia, .. . 
Vaccaria, ., 
Vaccinium, 
Vaccinium, . 
Vagnera, - 
Valeriana,.. . 
VALERIANACEA, . 
Valerianella, . . 
Vallisneria, 
Vaseya,..,. 
Veratrum, ., , 
Veratrum, 
Verbascum, , . 
Verbena, 
VERBENACEA, . . 
Verbesina,.. . 
Verbesina, 
Vernonia, . . 
Veronica, , 
Vesicaria, 
Viburnum, 
Vicia, 
Vilfa, 
Villarsia, . 
Vinca, . P 
Vincetoxicum, . 
Violas... 
Violas. s . 
VIOLACEA, . 
Virgilia, . 
VASCATIAs ee a 
Viscum, .. 
VITACEA, . 
Vitis,. 2. 
Vitis, . 
Vieckia,. , 
Vogelia,.. . 
Volvulus, , 
Vulpia, . 
