INDEX BY COMMON NAMES. 



Spurry, 325 

 Squaw-root, 342 

 Squjrreltail-grass, 312 

 Star of Bethlehem, 314 

 Steel weed, 366 

 Stickseed, 333 

 Stick-tig-hts, 369 

 Stinking-grass, 310 

 St. John's-wort., 340 

 St. John's-wort., Dwarf, 340 

 Family, 340 



" Shrubby, 341 



Stonecrop, Mossy, 332 

 Storksbill, 337 

 Sumac, 339 

 Sumac Family, 339 

 Sunflower, Tickseed, 369 

 Sunflowers, 369 

 Susan, Brown-eyed, 368 

 Tansy, 371 

 Tare, 336 

 Tea, Mexican, 279 

 Tear-thumb, 318 

 Teasel, 359 

 Teasel Family, 359 

 Thistle, Bull, 373 



" Canada, 372-3 



M Common, 373 

 Corn, 373 



" Cotton, 373 

 Family, 364 

 Field, 372-3 



" Russian, 320 



" Scotch, 373 



" Sow, 361 

 Star, 374 



" Swamp, 373 



" Tall, 373 

 Thorn, 362 

 Thorn-apple, 355 

 Thoroughwort, 365 

 Thyme-leaved Speedwell, 341 

 Tick-trefoil, 336 

 Timothy Seed, Weeds in, 377 

 Toad-flax, 355 

 Tobacco, Indian, 360 

 Tongue-grass, 327 

 Tree-of-Heaven, 337 

 Trefoil, Yellow, 333 

 Tripleawned-grass, 308 

 Trumpetweed, 365 

 Tumbleweed, 320, 365 



Russian, 320 

 Velvetleaf, 340 

 Venus's L'oking-glass, 360 

 Vervain, Bracted. 350 



" Blue, 350 



Family, 350 



u Narrow-leaved, 350 



" White, 350 

 Vetch, Common, 336 

 " Hairy, 336 

 " Perennial, 337 

 Viper's-bugloss, 350 

 Walnut and Hickory Family315 

 Water-horehound, 351 

 Water-hemlock, 343 

 Water Pepper, 318 



Water-Plaintain Family, 305 

 Water-Plaintain, Common, 305 

 Water-purslane, 341 

 Waterleaf Family, 349 

 Waxball, 338 

 Wheat-grass, 312 

 Wheat-thief, 349 

 Whitetop, 367 

 Whiteweed. 367 

 Whitlow -grass, 331 

 Wild Oat, 309 



" Garlic, 314 



" Radish, 336 



" Onion, 314 



" Sage, 352-2 

 Willow Family, 315 

 Willows, 315 

 Willow-herb, 341 



" Great, ML 



Winter-cress, 330 

 Wire-grass, 311 

 Witch-grass, Old, 306 

 Wood-grass, 309 

 Woodsage, 353 

 Woodsorrel Family, 337 

 Yellow, 337 

 Wormseed, 319 

 Wormwood, 371 



k ' Roman, 363 



Yarrow, 370 

 Yellow Trefoil, 335 



