288 



INDEX. 



Bergia 164 



Berula ' 183 



Betula 77 



Betulaceae 76 



Bidens 276 



BxkukuUa 112 



Birch 76 



Birch family 76 



Birthwort family 81 



Bitter cress 115, 130 



root 92 



Bittersweet 218 



Black medic 149 



mustard 118 



Blackcap 136 



Bladder fern 4 



Blite 89 



Strawberry 89 



Blitum 89 



Bluebells 206 



Blue-eyed grass 66 



Blue-flowered lettuce 249 



Bluegrass 33 



Annual 34 



Canada 34 



Kentucky 34 



Fowl 35 



Bluestem 39 



Boisduvalia 172 



Bolelia 240 



Borage family 204 



BORAGINACEAE 204 



Botrychium 4 



Brasenia 102 



Brassica 118 



Bromegrass 32 



Bromus 32 



Broomrape family 231 



Buckbean 194 



Buckbrush 162 



Buffalo bur 218 



Bugseed 88 



Bull thistle 260 



Bulrush, Western 51 



Bunchgrass, Blue 37 



Wheat 39 



Bur reed 13 



Bur-reed family 13 



Bursa 123 



Butter and eggs 220 



Buttercup 105 



Water 105 



Buttercup family 102 



Button, Bachelor's 251 



Cabbage, Yellow skunk 52 



Cactaceae 167 



Cactus family 167 



Calamagrostis 25 



Callitrichaceae 157 



Callitriche 158 



Calochortus 60 



Calypso 69 



Camas 62 



Death 62 



Camelina 121 



Campanula 241 



Campanulaceae 239 



Campe 120 



Canada thistle 260 



Canary grass 22 



Reed 22 



Caper family 123 



Capnoides 112 



Capnorea 202 



Capparidaceae 123 



Caprifoliaceae 235 



Caraway 182 



Cardamine 115 



Carduus 260 



Carex 43 



Carpet weed 91 



Carpetweed family 19 



Carum 182 



Caryophyllaceae 95 



Cascara sagrada 161 



Cashew family 158 



Castilleja 229 



Catchfly 96 



Cat-tail 13 



Cat-tail family 13 



Caucalis 178 



Ceanothus 161 



Cedar, Giant 10 



Celastraceae 159 



Celtis 78 



Centaurea 251 



Centaurion 192 



Centunculus 191 



Cephalanthera 69 



Cerastium 98 



Cercocarpus 132 



Chaenactis 261 



Chaetochloa 20 



Chamomile, corn 263 



Charlock 118 



Cheeses 163 



Cheilanthes 2 



Chenopodiaceae 87 



Chenopodium 89 



Cherry 132 



Wild 132 



Chickweed 98 



Mouse-ear 98 



