572 
Arnica, 530 
Arnoseris minima, 524 
Artemisia Absinthium, 498 
annua, 497 * 
biennis, 497 
frigida, 499 
tridentata, 500 
vulgaris, 496 
Artichoke, Jerusalem, 467 
Asclepias incarnata, 316 
speciosa, 317 
syriaca, 317 
tuberosa, 315 
Asses’ Ears, 337 
Aster, Bushy, 428 
Early Purple, 435 
Hairy Golden, 423 
Heart-leaved, 431 
Many-flowered, 433 
Maryland Golden, 422 
New England, 430 
Purple-stemmed, 435 
Smooth, 431 
Tradescant’s, 434 
White Heath, 432 
White Wreath, 433 
Willow-leaved, 435 
Woody, 429 
Aster cordifolius, 432 
ericoides, 432 
levis, 431 
multiflorus, 433 
nove-anglie, 480 
puniceus, 435 
salicifolius, 435 
Tradescanti, 434 
Astragalus mollisimus, 239 
Atriplex patula, 114 
Avena fatua, 48 
Avens, White, 210 . 
Axzyris amarantoides, 119 
Bachelor’s Button, 520 
Backwort, 337 
Ballogan, 523 
Balm, Field, 351 
Stinking, 358 
Balsam, Old Field, 443 
Sweet White, 443 
Balsam-flowers, 234 
Balsam Posy, 443 
Balsamweed, Clammy, 444 
INDEX 
Bamboo, Prickly, 83 
Barbarea precox, 197 
verna, 197 
vulgaris, 196 
Barberry, Common, 168 
Barley, Little, 65 
Wall, 66 
Wild, 64 
Basil, Field, 359 
Stone, 359 
Wild, 359 
Baughlan, 506 
Bean, Blue, 228 
Pink, 254 
Small Wild, 254 
Trailing Wild, 253 
Beard-tongue, Fox-glove, 381 
Bedstraw, Rough, 398 
Beggar’s Buttons, 508 
Beggar’s Lice, 334 
Beggar-tick, Big, 474 
Swamp, 475 
Beggar-ticks, 334, 473 
Behen, 148 
Bell-bind, 321 
Bell-flower, Clasping, 408 
Creeping, 409 
Tall, 410 
Berberis vulgaris, 168 
Berry, Pigeon, 128 
Poison, 364 
Stubble, 364 
Berteroa, Gray, 173 
Berteroa incana, 173 
Bidens aristosa, 478 
bipinnata, 477 
cernua, 476 
comosa, 475 
connata, 475 
frondosa, 473 
levis, 476 
trichosperma, 478 
vulgata, 474 
Bindweed, Black, 104 
Blue, 363 
Bracted, 323 
European, 321 
Field, 321 
Great, 323 
Hedge, 105, 323 
Knot, 104 
Birds as weed destroyers, 10 
