260 



INDEX 



Page 



Arthur, J. C.. .' 84, 110 



Artichoke 52, 58, 62, 68 



Cultivated o 



Wild 6 



Ascending ovule 130 



ASCLEPIADACEAE ..136,209-210 

 Asclepias 



incarnata 54 



speciosa 71, 209 



syriaca 54, 71, 210, f. 210 



Germination 39 



tuberosa 209 



verticillata 209-210 



Ash 120, 132 



Asparagus officinalis 68 



Aster 59,68 



ericoides 231-232 



multiflorus 232 



New England 232 



novae-angliae 232 



salicifolius 58, 232 



Tradescanti 58 



White 231-232 



White, small-flowered 232 



Willow-leaved 232 



Astragalus 71 



canadensis 73 



mollissimus 71 



Atriplex 60 



hastata 72 



patula 169, f. 171 



Australia, weeds of 78 



Arena 



fatua 57, 72, 149-150 



saliva 



Germination 42 



Avens, White 68, 186 



Awned 



Barley 68 



Brome grass. . .4, 51, 59, 68, 76, 115 



Axile placenta 130 



Bachelor's button 68,250-251 



Ballast, Weeds in 81 



Balloon Vine 14, 68, 199 



Bar bar ea vulgaris 69, 184 



Barberry. . .. " f. 125, f. 127 



Barley 1 



Awned 68 



Little 155, f. 155 



Mountain 68 



Small 68 



Squirrel 68 



Wild 4/57, 59, 64, 78, 115 



Eradication 111-112 



Barnyard grass 



16, 28, 30, 33, 56, 62, 142 



Basswood, Seed of 14 



Beal, W. J 37 



Bean 129, f. 127 



Castor-oil f. 131 



Lima 64 



Seed 134, f. 131, f. 132 



Wild 58, 68, 191 



Bearded Darnel 153 



Beard Grass 68 



Beck 85 



Becquerel 36 



Pag 



Bedstraw 228 



Bee plant. Rocky Mountain 



68, 115, 130, 184, f. 185 



Beet 80, 167 



Cultivated 115 



Sugar 167 



Beggar's Lice 216 



Beggar-ticks 



13, 15, 62,68, 239-240, f. 241, f. 242 



Bell-shaped corolla 128 



Bermuda grass 68 



Berry 132, 133 



Bessey, C. E 16, 90 



Bidens 15 



aristosa 74, 240 



discoidea 11 



frondosa. 11, 68, 73, 239-240, f. 242 



Biennials 7, 10, 90 



Wormwood 16, 75 



Bindweed 166 



Eradication 95 



Black 24, 30, 68, f. 1 16 



European 54, 58, 212 



Hedge 24, 211-212, f. 212 



Birch f. 124 



Birds, seed-scattering agents 



f. 14, f. 19. f. 20 



Bitterweed, Prairie 115 



Black 



Bindweed 24, 30, 68, 116 



Cherry, wild 64 



Henbane 5, 63, 71 



Knapweed 250 



Locust 63 



Medick. . .42, 59, 71, 115, 190, f. 190 

 Mustard 24, 30, 46, 72, 76, 182, f. 182 



Nightshade 13, 18, 72 



Raspberry 187 



Blackberry, Wild 26 



Bladder 



Campion 176 



Ketmia 28, 202, f. 202 



Bloodroot 63 



Blue 



Grass 15, 28, 36, 62, 93 



Canadian 35 



English 152 



Kentucky 35, f. 36 



Larkspur 71 



Lettuce 71, 115 



Morning Glory 71 



Pearl Grass 36 



Thistle 67 



Vervain 33, 54, 74, 88, 217 



Vitriol (see copper sulphate) 



Blue-bottle 250-251 



Blueweed 58, 68, 217 



Boerhaavia 59 



erecta 173 



Bolley, H. L. 2, 4, 6, 16, 67,95, 



96,97,99, 100, 101 



Boneset 52, 58-59, 231 



Bootjack 10, 18, 58 



Borage Family 19, 215 



BORAGINACEAE 137, 215-217 



Bordeaux mixture 94, 95 



Bouncing Bet 24, 60, 63, 68, 176 



