448 INDEX. 



Page. 



Beggar's lice 395 



Bidens 419, 420, 421 



Biennial wormwood 414 



Bitter dock 314 



Black bindweed 306 



Black-eyed susan 436 



Black medick 362 



Black mustard 346 



Black night shade 404 



Black swallow-wort 390 



Bladder Campion .' 336 



Bladder Ketmia 378 



Blue-curls 401 



Blue field madder 412 



Blue grass 300 



Blue Sailors 423 



Blue Vervain '. 396 



Boiling seeds 281 



Bolley, H. L., quoted 285, 286 



Borage family -. 394 



Boraginaceae 374 



Bouncing Bet 333 



Brassica arvensis 344 



Brassica campestris 345 



Brassica juncea 345 



Brassica nigra 346 



Brassica Sinapistrum 344 



Broad-leaved dock 314 



Broad-leaved plantain 411 



Bromus 292 



Buckhorn 410 



Buckwheat family 306 



Bulbous Buttercup 340 



Bull Thistle 425 



Burdock 417, 418 



Bur-grass 294 



Burhead 412 



Bur-seed 394 



Butter and Eggs 405 



Buttercup 339, 340 



Calyx, the outer set of floral leaves of a complete flower, or of an apetalous flower. 



Camelina 347 



Campion 332 



Campion, bladder 336 



Canada golden-rod 438 



Canada thistle 424 



Canadian blue grass 300 



Capriola 294 



Capsella 348 



Carduus 424, 425 



Carpet-weed 329 



Caryophyllaceae 330 



Cashew family 377 



Catch-fly 335, 336 



Catmint 401 



Catnip .. 401 



Celandine 341 



Cenchrus 294 



Centauria 421 



Cerastium 331 



Cereals 289 



Chaetochloa 302 



Charlock 344 



Cheat 292 



Cheeses 379 



