168 



NliVV YOKK STATK MUSEUM 



Beggar ticks, swamp, 157 

 Beggar's lice, 136 

 Bellflower, European, 148 



marsh, 148 

 Bell wort, large-flowered, 78 



perfoliate, 78 



sessile-leaved, 78 

 Benjamin bush, 99 

 Benzoin benzoin, 99 

 Berberidaceae, 98 

 Berberis vulgaris, 98 

 Bergamot, purple, 138 



Avild, 138 

 Betony, wood, 144 

 Betulaeeae, 86-87 

 BicucuUa canadensis, 99 



cucullaria, 99 

 Bidens cernua, 157 



chrysanthemoides, 157 



connata, 157 



frondosa, 158 



laevis, 157 

 Bignoniaceae, 144 

 Bindweed, black, 90 



field, 134 



fringed black, 90 



hedge, 134 



upright, 134 

 Bitternut, 83 

 Bittersweet, 140 



climbing, 118 

 Black-eyed Susan, 157 

 Blackberry, high bush, 1 06 



mountain, 106 



running swamp, 106 

 Bladder nut, American, 118 

 Bladderwort, common, 144 

 Blazing star, 78 

 Blephilia, downy, 138 

 Blephilia ciliata, 138 

 Bloodroot, 99 

 Blue curls, 137 

 Blue-eyed grass, pointed, 81 



stout, 81 

 Blue grass, English, 63 



Kentucky, 63 

 Blue joint grass, 61 

 Blue stem, big, 56 



little, 55 

 Blueberry, black, 130 



Blueberry, black low, 131 [ 



dwarf, 131 



low, 131 



swamp, 130 

 Bluets, 145 

 Blueweed, 136 

 Boehmeria cylindrica, 88 

 Bog bean, 133 

 Boneset, 151 

 Boraginaceae, 135-36 

 Botrychium dissectum, 48 



matricariae, 21 



obliquvun, 48 



ternatuum var. dissectum,' 48 

 var. obliquum, 48 



virginianum, 48 

 Bouncing bet, 93 

 Bowman's root, 105 

 Brachj^elytrum, 59 



aristatum, 59 



erectum, 59 

 Bracken, 51 

 Brake, 51 

 Brasenia peltata, 94 



purpurea, 94 

 Brassica arvensis, 100 



campestrls, 100 



napus, 100 



nigra, 100 



sinapistrum, 100 

 Brier, hispid green, 80 

 Britton, Nathaniel L., acknowledg- 

 ments to, 48 

 Bromus ciliatus, 65 

 purgans, 65 



kalraii, 65 



pubescens, 65 



racemosus, 65 



secalinus, 65 

 Brooklime, American, 142 

 Broom rape, naked, 144 

 Brunella vulgaris, 137 

 Buck bean, 133 

 Buckthorn, 119 



alder-leaved, 119 

 Buckwheat, 89 



climbing false, 90 

 Bugleweed, 139 

 Bugloss, small, 136 



viper's, 136 



