410 
“*Spring-wood,” 134 
Spruce, 270, 274 
Spruces, 299 
Spurges, 110 
Squirrel-tail grass, 169 
Stamens, 22 
Staminate flowers, 74, 288 
Staminal leaves, 287, 288 
Starch, making of, 100, 102, 113 
Starches, 63, 119, 121 
Starch, grains of, in leaves, 102 
in barley, 103 
in Indian corn, 103 
in Indian shot, 103 
in rye, 103 
in wheat, 103 
in timber, 102, 103 
Stemless lady-slipper, 268 
Stems of grasses, 188 
of sedges, 188 
Stephanotis, 207, 227 
Stigmatic surface, 25 
Stigmas of forest-trees, 69 
of wind-fertilized flowers, 31 
Sting of the nettle, 329, 330 
Stoma, 107, 108 
Stomata, 106, 107, 108, 109 
Submerged foliage, 112, 113 
Succulent leaves, 109 
Sulphur, 90 
‘*Summer-wood,” 134 
Sundew, 300 
Sunshine necessary to starch- 
making, 100 
Swamp-thistle, 340, 342 
Sweet alyssum, 371 
Sweetness of night-flowers, 227 
Tannin, 386 
Taraxicum, 37 
Tassels of the poplar, 52 
Taxacez, 270 
Teasel, 323, 325 
Tendril, 113, 244, 245 
Tendril-bearers, 233, 235, 240 
Tendrils, 242, 244 
elasticity of, 245 
flower, 243 
of the grape-vine, 243 
of the Virginia creeper, 244 
revolution of, 243 
Index 
Tendrils, strength of, 245 
useless, 245 
Tennyson quoted, 76 
Thistle, 326, 345, 349, 352 
in folk-lore, 333, 334 
in folk-medicine, 334 
in heraldry, 334 
pasture, 342 
Swamp, 340, 342 
Thistles, 317 
Thistleton Dyer quoted, 62, 333, 
334, 356, 357 
Thor, 334 
Thorn, definition of, 325, 326 
Thorns, 323 
Thread made from nettles, 332 
Three-ranked arrangement of 
sedge-leaves, 188 
Thrift of nature, 242 
Timber, 103 
Timothy-grass, 168 
Tissue, new, QI 
of leaves, 89, 90 
waste, 9I 
Tobacco-worm, 218 
Tomato-worm, 218 
Tracheids, 283, 284 
Trailing evergreen, 251 
hemlock, 269 
Transpiration, 106 
Traps for snaring insects, 33 
Trap of the dogbane, 304. 306 
Trap of the milk-weed, 310, 311 
Trap-setting plants, 300 
Tree-blossoms, 65 
Trunk of the palmetto, 127, 130 
131 
Tubers, 102, 103 
Tube put forth by the pollen- 
grain, 25, 26 
Tubuliflore, 353 
Twilight moths, 33 
Ulmus Montana, 382 
Upas tree, 333 
Veins, 89, 126 
parallel, 123 
Veinlets, 126 
Venus fly-trap, 300 
Vessels, wood, 128 
