Index 



(Bidens) 



connata, 272 



coronata, 273 



coronata, 273 



discoidea, 272 



frondosa, 272 



laevis, 273 



polylepis, 273 



vulgata, 272 

 Bignonia, 240 



BiGNONIACEAE, 240 



Bindweed, 212 



Black, 108 



Field, 212 

 Birch, Black, 98 



Gray, 99 



River, 98 



Sweet, 98 



White, 99 



Yellow, 98 

 Bird-foot Violet, 179 

 Bird's-foot Trefoil, 151 

 Birthwort Family, 105 

 Bishop's-weed, Mock, 



191 

 Bittersweet, 227 



Climbing, 170 

 Black Alder, 169 



Gum, 195 



Haw, 248 



Henbane, 229 

 Blackberry, 143 



Bush, 144 



Cut-leaved, 144 



High Bush, 144 



Sand, 144 

 Blackberry Lily, 88 

 Black-eyed Susan, 269 

 Bladder Nut, 170 

 Bladderwort, 237 

 Blazing Star, 81, 255 

 Blephiha, 222 

 Bloodroot, 126 

 Bloodwort Family, 87 

 Bluebell Family, 249 

 Blueberry, 200 



Black, 201 



High, 201 



Low, 201 



Low Sweet, 201 



New Jersey, 201 

 Blue-bottle, 84 

 Blue Cohosh, 125 



Curls, 219 



(Blue) 



Flag, 88 



Hearts, 236 



Tangle, 200 

 Bluets, 245 

 Blue-eyed Grass, 88 

 Bocconia, 126 

 Boehmeria, 104 

 Bog Asphodel, 81 



Fern, 6 

 Boltonia, 260 

 Boneset, 252, 254 



Upland, 254 



BORAGINACEAE, 215 



Borrichia, 270 

 Botrychium, 1 

 Bouncing Bet, 118 

 Bowman's Root, 138 

 Box Elder, 171 

 Brachyelytrum, 32 

 Bracken, 3 

 Brandywine Cowslip, 



217 

 Brasenia, 120 

 Brassica, 130 

 Brier, Green, 86 

 Briza, 22 



Bromeliaceae, 77 

 Bromus, 18 

 Brooklime, American, 



234 

 Broom, Scotch, 149 

 Broom-rape, 239, 240 



Clover, 240 

 Broussonetia, 103 

 Brown-eyed Susan, 270 

 Buchnera, 236 

 Buckbean, 208 

 Buckthorn, 172 

 Buckwheat, 109 



Climbing False, 109 

 Bugbane, 124 

 Bugle Weed, 225 

 Bugloss, Viper's, 217 

 Bulbostyhs, 53 

 BuUace Plum, 146 

 Bulrush, 54 



Canby's, 55 



Great, 55 



River, 55 



Salt Marsh, 55 

 Bunch Flower, 82 

 Bupleurum, 192 

 Burdock, 277 



Bur Marigold, 272 



Large, 273 



Nodding, 273 

 Burnet, 145 



Saxifrage, 192 

 Bur-reed, 12 

 Bush Clover, 155 



Honeysuckle, 246 

 Butter-and-eggs, 230 

 Buttercup, 120 



Creeping, 121 



Swamp, 121 



Tall, 122 

 Butterfly Pea, 159 



Spurred, 159 

 Butterfly Weed, 209 

 Butternut, 97 

 Buttonbush, 245 

 Buttonweed, 245 

 Buttonwood, 137 

 Button Snakeroot, 189 



Cacalia, 276 

 Cactaceae, 183 

 Cactus Family, 183 

 Cakile, 129 

 Calamagrostis, 29 

 Calamintha, 223 

 Callicarpa, 218 

 Callitrichaceae, 168 

 Callitriche, 168 

 Calopogon, 91 

 Caltha, 123 

 Camelina, 129 

 Camellia Family, 175 

 Campanula, 250 

 Campanulaceae, 249 

 Campion, 117 



Bladder, 118 



Red, 117 



Starry, 118 

 Campsis, 240 

 Camptosorus, 4 

 Cannabis, 103 

 Caper Family, 134 

 Capparidaceae, 134 

 Caprifoliaceae, 246 

 Capsella, 129 

 Cardamine, 132 

 Cardinal Flower, 250 

 Cardiospermum, 171 

 Carduus, 278 

 Carex, 60 



abscondita, 66 



[2931 



