226 



Stock 151 



Stonecrop 152 



Strawberry 154 



Streptopus 1 29 



Strong-scented Eragrostis 116 



Strophostyles 165 



Sugar Maple 169 



Sumac Family 169 



Sunflower 208 



Sweet Cicely 1 78 



Sweet Clover 159 



Sweet Coltsfoot 211 



vSweet Flag 125 



Sweet Locust 158 



Swertia [82 



Symphoricarpus 196 



Syntherisma 109 



Synthris 192 



Taliuum 141 



Tall Marsh-grass 115 



Tanacetum 210 



Tansy 210 



Tansey Mustard 150 



Tape-grass 108 



Taraxacum 198 



Tare 165 



Tellima 153 



Teucrium 1 88 



Texas Thistle 191 



Thalaspi 148 



Thalesia 194 



Thalictrum 147 



Thermopsis 159 



Thin-grass 113 



Thistle Family 200 



Thistles 212 



Thorn apple 157 



Thoroughwort 201 



Tickseed 109 



Tick -trefoils 164 



Timothy 112 



Tilia 171 



TlWACE.5i 171 



Toad Flax 191 



Toad Rush ] 26 



Tobacco Root 196 



Touch-me-nots 170 



PAGE 



Tower Mustard 151 



Tradescantia 126 



Tragopogon 198 



Trailing Mahonia 147 



Trifolium 159 



Triglochin 108 



Trillium 1 29 



7 roximon 1 98 



Tumble Weed 1 40 



Tumbling Mustard 148 



Turkey-foot Grass 109 



Twin flower 195 



Twist-foot 1 29 



Typha 106 



Typhacete 106 



Ulmace^ 134 



Ulmus T34 



Utrbrella-wort 140 



Umbellifer.*; 177 



Umbel worts 177 



Unifolium 1 29 



Urtica 135 



URTlCACEiE T35 



Urticastrum 135 



Utricularia 194 



Uvularia 127 



Vaccaria 141 



VACCINEACE-av 180 



Vaccinium 180 



Vagnera 128 



Valerian 197 



Valeriana 196 



VAI.ERINACE.E 196 



Vallisneria 108 



Vai,i.isneriace^ 108 



Venice Mallow 171 



Venus-hair fei n 104 



Verbascum 191 



Verbena 187 



Verbenace^E 187 



Vernonia 200 



Veronica 192 



Vervain Family 187 



Vervains 187 



Vesicaria 1 50 



Vetch 164 



Vetchlings 165 



