INDEX 



573 



Birdseed, 504 

 Blackberry, Running, 211 

 Black-brush, 207 

 Black-eyed Susan, 462 

 Black Sampson, 463 

 Bladder Ketmia, 282 

 Bladder-pod, 411 

 Blanket-flower, 484 

 Blanket-leaf, 377 

 Elite, Strawberry, 110 



Mulberry, 110 

 Blood-leaf, 126 

 Blood-stanch, 439 

 Bloodwort, 486 



Mouse, 554 

 Bloom-fell, 237 

 Blowball, 535 

 Blue Bonnets, 520 

 Bluebottle, 520 

 Blue Curls, 348 

 Blue Sailors, 525 

 Blue-top, 367 

 Boebera papposa, 485 

 Boehmeria cylindrica, 90 

 Baerhaavia erecta, 132 

 Boltonia aster aides, 428 

 Boneset, 417 



Deerwort, 418 



False, 419 



Purple, 416 

 Bouncing Bet, 149 

 Bracken, 17 

 Brake, Common, 17 



Meadow, 18 



Polypod, 18 



Turkey-foot, 17 

 Bramble, Prairie, 216 



Trailing, 211 

 Brassica alba, 186 



araensis, 184 



juncea, 185 



nigra, 187 



sinapistrum, 184 

 Brauneria purpurea, 463 

 Brier, Chain, 83 



Sand, 365 



Saw, 83 



Sweet, 214 

 Bromus hordeaceus, 57 



secalinus, 55 



tectorum, 58 

 Broom, Base, 224 



Broom, Continued 



Dyer's, 224 

 Broom-rape, Branched, 387 



Clover, 389 



Hemp, 387 



Lesser, 389 



Louisiana, 390 



Tobacco, 387 

 Bruisewort, 337 

 Buckhorn, 392 



Bristly, 394 



Gray, 394 

 Buck's-beard, 532 

 Buckwheat, Climbing False, 105 



Hedge, 105 



Wild, 104 

 Bugbane, 78 

 Bugle, Brown, 346 

 Bugleweed, Creeping, 346 

 Buglewort, 360 

 Bugloss, Bitter, 531 



Small, 338 



Viper's, 342 

 Bugseed, 116 

 Bulrush, Dark-green, 73 

 Bunch-flower, Common, 77 

 Bunk, 535 

 Bur, Bathurst, 460 



Blue, 334 



Buffalo, 368 



Button, 461 



Cockspur, 34 



Colorado, 368 



Ditch, 461 



Dog, 332 



Paroquet, 297 



Sand, 368 



Sheep, 334, 461 

 Burdock, Common, 510 



Great, 508 



Prairie, 448 

 Burseed, 334 

 Burweed, Hedgehog, 461 



Thorny, 460 



Yellow, 336 

 Butter and Eggs, 379 

 Buttercup, Abortive, 155 



Bog, 154 



Bulbous, 157 



Creeping, 156 



Early, 156 



Meadow, 159 



