Squash, 206.
Stachys, 138.
Stinkweed. See Jackass Clover, 146.
Strawberry, 206.
Strombocarpa odorata, 223.
Sugarberry, 135.
Sugar Gum, 125.
Sulla, 207.
Sumac, 207; coral, 210; non-poisonous, 207; poisonous, 210; smooth, 207; scarlet, 207; staghorn, 207; upland, 207.
Summer Farewell, 211.
Sunflower, 211.
Swamp Milkweed, 168.
Swamp Tupelo. See Tupelo, 226.
Sweet Bay, 211.
Sweet Clover, 211-220; conditions favorable for, 213; species common in America, 211; distribution and adaptability of, 213, 214; in north-central states, 215; in Kentucky, 216; in Alabama and Mississippi, 216; in the West, 217.
Sweet Fennel, 220.
Sweet Pepperbush. See Clethra, 97.
Switch Plant. Eee Ephedra, 122.
Symphoricarpos —
occidentalis, 80; orbiculatus, 80; racemosus, 80.
Symplocarpus foetidus, 51.
Talipot Palm, 179.
Taraxicum officinale, 120.
Tarweed, 220.
Teasel, 220.
Temperature and Nectar Secretion, 17.
Tennessee, 287.
Teneza, 221.
Tennazza, 221.
Teucrium canadense, 130.
Texan Ebony, 221.
Texas, 312.
Thalictrum polygamum, 45.
Thistle. See Blue Thistle, Canada Thistle, and Napa Thistle.
Thoroughwort. See Boneset, 78.
Thyme, 221.
Thymus Serpyllum, 221.
Tie-vine, 221.
Tilia —
americana, 67; europea, 69; heterophylla, 68; Michauxii, 68.
Tisswood. See Bed-bay, 194.
Titi, 211; black, 221; red, 221; white or ivory, 221.
Tobacco, 223.
Tocalote. See Napa Thistle, 175.
Toothache-tree. See Prickly Ash, 190.
Tornillo, 223.
Touch-me-not. See Jewel-weed, 147.
Toyon (Christmas Berry), 97.
Tree of Heaven, 223.
Trichostema lanceolatum, 73.
Trifolium, 98; hybridum, 100, 101; re-pens, 101-106; incarnatum, 106; pratense, 108-112; furcatum, 112; procumbens, 111.
Trilisa odoratissima, 229.
Tule, 51.
Tule Mint. See Mint.
Tulip Tree, 223-226.
Tupelo, 226; white, 226; black, 226.
Tupelo Gum. See Tupelo, 226.
Turkey Mullein, 228.
Turpentine-weed. See Blue Curls, 73.
Ulex europeus, 45.
Ulmus americana, 44.
Utah, 371.
Vaccinium —
corymbosum, 72; ovatum, 146; parvifolium, 146; pennsylvanicum, 72; macrocarpon, 117.
Vachellia farnesiana, 146.
Vanilla Plant, 229.
Varnish Tree. See Tree of Heaven, 223.
Velvet Bean, 229.
Verbascum, 45.
Verbena, 229; see Vervain; hastata, 229; officinalis, 229; prostrata, 229; xutha, 29.
Verbesina —
helianthoides, 118; texenis, 118; virginica, 118.
Vermont, 266.
Vervain, Purple, 229.
Vervenia. See Phacelia, 187.
Vetch, 232.
Viburnum; see Black Haw, 72; dentatum, 72; prunifolium, 72.
Vicia, 232; cracca, 232; sativa, 232; vil-losa, 232.
Vigna sinensis, 117.
Vine. See Grape.
Vinegar-weed, 73. See Blue Curls.
Viper’s Bugloss. See Blue-weed.
Virginia, 281.
Virginia Creeper. See Clematis.
Virgin’s Bower, 43.
Vitis, 45; californica, 135.
Walnut, 51.
Washington, 380.
Water-ash. See Hope-trce, 142.
Water Chinquapin, 51.
Water Gum. See Tupelo, 226.
Water Lily, 51.
Watermelon, 232.
Water Tupelo. See Tupelo, 226.
Wattle. See Acacia.
West Virginia, 283.
Whin, 45.
White Alder (Clethra), 97.
White Box. See Eucalyptus, 122.
White Brush, 232.
White Clover, distribution of, 101; honey of finest quality, 101; secretes more nectar in cold than in warm climate, 101; conditions influencing nectar secretion in, 104; pollination of, 105. White Gum. See Tupelo, 226.
White Holly, 138.
White Sweet Clover. See Sweet Clover. White wood. See Tulip Tree, 223.
