INDEX 



Thelypody, F, 45 



Thelypteris, F, 1 



THERMOPSIS, F, 63 



Therofon , F, 49 



Thistle, F, 109 

 Russian, F, 30 

 Scotch cotton-, F, 120 

 sow, F, 123 



Thlaspi, F, 40, 45 



Three -awn, G, 9 



Thymophylla, F, 111 



THYSANOC ARRIS , F, 45 



TIARELLA, F, 49 



Tickseed, F, 29, 110 



TIDESTROMIA, F, 30 



Tidytips, F. 118 



Tiedemannia, F, 77 



TILLAEA, F, 46 



Tillaeastrum, F, 46 



Timothy, G, 10 



Tiniaria , F, 27 



Tintinabulum, F, 83 



Tissa. F, 34 



Tithymalus, F, 64 



Tiquilia , F, S8 



Tiquiliopsis, F, 88 



Tium 



alpinum, F, 53 

 arrectum, F, 53 

 arthuri, F, 53 

 atratiformium, F, 58 

 atratum, F. 53 

 conjunctum, F, 58 

 desperatum, F, 54 

 drummondii, F, 54 

 eremiticum, F, 55 

 humistratum, F, 55 

 inyoensis, F. 55 

 malheurenum, F, 55 

 naruritenium, F, 57 

 obscurum, F, 57 

 owyheensis, F, 53 

 racemosum, F, 57 

 recurvum, F, 57 

 rusbyi, F, 58 

 salmonsis, F, 58 

 scopulorum, F, 58 

 subcompressum, F, 58 

 terminalium, F, 58 

 ursinum, F, 56 



Toadflax, F, 95 



Tobacco, F, 93 



Tobacco Weed, F, 106 



TOFIELDIA, F, 18 



Tonestus, F, 116 



Torresia, G. 11 



TORREYOCHLOA, G, 7 



Touterea , F, 68 



TOWNSENDIA, F, 123 



Toxicodendron, T&S, 65 



Toxicoscordion, F, 18 



TRADESCANTIA, F, 15 



TRAGIA, F, 65 



TRAGOPOGON, F, 124 



TRAGUS, G, 11 



Trail Plant, F, 102 



TRAUTVETTERIA, F, 38 



Trefoil, F, 59 



TRIANTH EMA , F, 31 



TRIBULUS, F, 64 



TRICARDIA, F, 88 



TRICHACHNE, G, 12 



TRICHOPTILIUM, F, 124 



TRICHOSTEMA, F, 92 



Tricuspis, G, 7 



TRIDENS, G, 7 



TRIFOLIUM, F, 63 



TRIGLOCHIN, F, 4 



160 



TRILLIUM, F, 18 

 TRIODANIS, F, 102 

 Triodia, G, 7 

 Triphysaria, F, 94 

 Tripolium, F, 106 

 TRIPSACEAE, G, 12 

 Tripterocalyx , F, 30 

 TRISETUM, G, 9 

 Triteleia , F, 16 

 TRmCUM, G, 8 

 TRIXIS, F, 124 

 TROLLTUS, F, 38 

 Troximon , F, 102, 119 

 TSUGA, T&S, 3 

 Tumblegrass, G, 11 

 Tumblemustard, F. 44 

 Tumbleweed, F, 30 

 Turritis , F, 39 

 Twinflower, F, 100 

 Twinpod, F, 44 

 Twisted Stalk, F, 18 

 Twistflower, F, 45 

 TYPHA, GL, 3 

 TYPHACEAE, F, 3 



ULMACEAE, T&S, 21 

 ULMUS, T&S, 21 

 UMBELLTFERAE, F, 73 

 Uraspermum, F, 76 

 URTICA, F, 21 

 URTICACEAE, F, 21 

 Utahia, T&S, 69 

 UTR ICULARIA, F, 99 

 Uva-ursi , T&S, 78 



VACCARIA, F, 35 

 VACCINIUM, T&S, 78 

 Yagnera, F, 18 

 VALERIANA, F, 101 

 VALERLANAC E AE , F, 101 

 Valerian, F, 101 

 VALERIANELLA, F, 101 

 Valota, G, 12 

 YANCLEVEA, F, 124 

 VERATRUM, F, 18 

 VERBASCUM, F, 99 

 VERBENA, F, 91 

 VERBENACEAE, F, 91 

 VERBESINA, F, 111, 124 

 VERONICA, F, 99 

 Vesicaria, F, 43 

 Vetch, F, 63 

 VICIA, F, 63 

 VIGUIERA, F, 124 

 Vilfa , G, 9 

 Villanova, F, 106 

 Vine-mesquite, G, 12 

 VIOLA, F, 68 

 VIOLACEAE, F, 68 

 Violet, F, 68 



Dogtooth, F, 17 

 Viorna , T&S, 36 

 Virgin's Bower, T&S, 36 

 Virginia Creeper, T&S, 66 

 VITACEAE, T&S, 66 

 Viticella , F, 86 

 vrris, T&S, 66 

 Vulpia, G, 5 



Wahlbergellia , F, 34 

 Wallflower, F, 42 

 Wall Rocket, F, 41 

 Walnut, T&S, 21 

 Washingtonia, F, 76 

 Water - - 



cress, F, 43 



hemlock, F, 74 



hyssop, F, 93 



leaf, F, 86 



lily. F, 35 



milfoil, F, 73 



nymph, F, 4 



parsnip, F. 77 



pimpernel, F, 79 



plantain, F, 4 



starwort, F, 65 



weed, F, 4 



wort, F, 67 

 Wedelia, F, 31 

 Wedeliella , F. 31 

 Wedgegrass, G. 9 

 Weed-- 



butter, F, 120 



carpet, F, 31 



chick, F, 33, 35 



clammy, F, 46 



cud, F. 114 



duck, F, 15 



golden, F, 115 



gum, F, 114 



hawk, F, 117 



knot, F, 26 



may, F, 119 



pepper, F, 40, 42 



pickle, F, 29 



pig, F, 29 



pigmy, F, 46 



pineapple, F, 119 



pond, F, 3 



quick, F, 114 



resin, F, 114 



seep, F, 30 



skeleton, F, 118, 123 



smart, F, 26 



snake, T&S, 115 



sneeze, F, 116 



sump, F, 118 



tar, F, 119 



water, F, 4 



widgeon, F, 4 



wire, F, 120 

 Welwitschia , F, 82 

 Wheat, G, 8 

 Wheatgrass, G, 7 

 Whipplea , T&S. 46 

 Whisperingbells, F, 86 

 White Brittlebush, T&S, 111 

 Whitetop, F, 40 

 Whortleberry'. T&S, 78 

 Widgeonweed, F, 4 

 Wilde abbage, F, 40 

 Wild onion, F. 16 

 Wildrye, G, 7 

 Willow, T&S, 20 

 Willow Weed. F, 70 

 Winter -- 



cress, F, 40 



fat, T&S, 29 



green, T&S. 77, 78 

 Wire- 

 grass. GL, 15 



lettuce, F, 123 



weed, F, 120 

 Wishbone Plant, F, 31 

 WISLIZENIA, F, 46 

 Woad, F, 42 

 Wolfberry. T&S, 93 

 WOLFFIA, F, 15 

 Wolftail, G, 10 

 Wood-- 



fern, F, 1 



grease, T&S, 30 



reed, G, 9 



rush, GL, 15 



sage, F, 93 

 Woodland Star, F, 47 

 Woodrush, GL, 16 



WOODSLV F, 2 

 Woodsorrel, F, 64 

 WOODWARDIA, F, 2 

 Wormwood, T&S, 104 

 Wort-- 



moon, F. 1 



pepper. F. 2 



quill, F. 2 



spleen, F. 1 



spider. F. 15 



St. John's, F. 67 



water, F, 67 

 WYETHIA, F, 124 

 Wyomingia , F. 112 



XANTHIUM, F, 124 

 Xanthocephalum . T&S. 115 

 Xanthoxalis . F. 64 

 Xerocassia. T&S. 52 

 XEROPHYLLUM, F, 18 

 Ximenesia , F. 124 

 Xylophacos 



amphioxys, F, 53 



aragalloides . F. 53 



argentinus, F, 57 



argophyllus, F. 53 



brachylobus. F, 58 



candelarius, F, 57 



casei. F. 54 



castanaeformis, F. 54 



chloridae, F. 58 



cibarius. F. 54 



coccineus. F. 54 



cymboides, F. 54 



eurekensis. F. 55 



glareosus, F. 57 



incurvus. F, 57 



inflexus. F, 55 



iodanthus . F. 55 



iodopetalus. F. 55 



lagopinus, F. 57 



lectulus. F, 57 



marianus . F. 56 



medius. F. 55 



melanocalyx, F. 53, 58 



mulfordiae, F, 57 



newberryi. F. 57 



nudisiliquus. F, 57 



pephragmenus, F. 58 



purshii. F, 57 



pygmaeus. F. 54 



stipularis, F. 55, 58 



subvillosus. F, 57 



tidestromii. F. 58 



uintensis, F, 53 



utahensis, F, 58 



ventosus, F. 57 



vespertinus. F. 53 



zionis. F. 58 

 Xylorhiza. F, 119 

 Xylosteon , T&S, 100 



Yampa, F, 77 

 Yarrow, F, 102 

 Yellowcress, F, 43, 44 

 Yerba Mansa. F. 20 

 Yerbasanta, T&S, 86 

 Youngia, F, 111 

 YUCCA, T&S, 18 



ZANNICHELLIA, F, 4 

 ZANNICHELLIACEAE, F, 4 

 ZAUSCHNERIA, F, 73 

 ZEA, G, 12 

 ZIGADENUS, F, 18 

 ZINNIA, F, 124 

 ZIZIA, F, 77 

 ZOYSIEAE, G, 11 

 ZUCKIA, F, 30 

 ZYGOPHYLLACEAE, F, 64 

 ZYGOPHYLLUM, F, 64 



