



INDEX. 



309 



Page. 



Berberidaceae ,6 ° 



Berberis 160 



B ermuda grass ^ 



Betony, wood 254 



Betula 137 



Betulaceae I 36 



Bibliography of District flora 13 



Bidens 288 



Big bluestem 72 



Bignonia 2 ^ 4 



Bignoniaceae 2 ^ 4 



Bikukulla 163 



Bilderdykia 146 



Biltmore ash 227 



Bindweed 147,234 



Birch 137 



black 137 



cherry 137 



family J 3® 



red 137 



river I 37 



sweet 137 



Bird-foot violet 208 



Bird's-foot trefoil 184 



Birthwort family 143 



Bishop-weed, mock 219 



Bitter cress 169 



dock 144 



Bitternut 136 



Bittersweet 199,248 



Black alder , 199 



ash 227 



birch I 37 



grass "* 



gum 220 



haw 2 61 



huckleberry 22,1 



jack I 39 



locust 1S5 



medic I 83 



mustard 17 ° 



oak ™ 



poplar 134 



raspberry 17S 



snakeroot 156 



sumac !9{5 



walnut 135 



willow I 33 



Blackberry lily 126 



sand I75 



swamp 17s 



tall 175 



Black-eyed Susan 286 



Bladder campion 15* 



fern "■ 



Bladdernut 200 



family 200 



Bladderwort 255 



family 255 



zigzag 255 



Blake, S. F u 



Blazing star 119,276 



Blephariglottis 129 



Blephilia 244 



Bloodroot 162 



Blue beech 136 



Page. 



Blue cohosh I 61 



dogwood 220 



flag 126 



lettuce 266 



phlox 235 



toad-flax 250 



vervain 239 



Bluebells 238 



Blueberry 224 



dryland 225 



early highbush 225 



family 224 



highbush 22 $ 



Bluebottle 293 



Bluecurls 241 



Blue-eyed grass 12 6 



B luegrass - 8 ? 



Canada 88 



Kentucky 88 



Blue-hearts 253 



Bluestem, big 72 



little " 



Bluets 259 



Boehmeria I 43 



Bogs, flora of 2 



Bolle's poplar I 35 



Boneset 274 



false 27 5 



upland 274 



Boott's fern 58 



Borage 238 



family 237 



Boraginaceae 23 * 



Borago 23 8 



Boston ivy 20 1 



Botanical Club of Washington 13 



Botrychimn 5 2 



Bottle gentian 22 9 



Bottle-brush 92 



plantain 2 ^ 6 



Bouncing bet 155 



Boxelder 200 



Brachyelytrum 8 2 



Bracken 5 * 



Brainerd, Ezra, assistance in determination 



of violets 206 



Brake 5 * 



Brasenia 1 5 *> 



Brassica 17 ° 



Brassicaceae *" 



Brereton, John A 13 



Brittle fern 5 7 



Britton violet 20 8 



Britton and Brown's Illustrated Flora, co- 

 ordination of nomenclature with 16 



Broad bean I 88 



Brome grass 89 



Bromus • 8 ® 



secalinus (illustration) 66 



Brooklime, American 252 



Brookweed 225 



Broom 1 R3 



sedge 72 



Broomcorn millet 77 



Broom-rape - * 255 



family 26i 



