INDEX 



Bitter cress, 230 



Black bees, 194, 196 



Blackberries, number of varieties of, 263 



Bladderwort, 19 



Blister-beetle, 185, 186, 192 



Bloodroot, 194 



Blue, highest color in floral world, 248, 

 250 



Blueberries, 64; domesticated, 263, 272 



Blue flag, 124, 134; beetle, 124, 185 



Blue flowers, 136, 138, 221-224, 248- 

 254; coloration of, 245; number of, 

 248 



Bluet, 203 



Bombus, 122; americanorum, 71; fer- 

 vidus, 52, 71, 90: hortorum, 71; ter- 

 narius, 94; terrestris, 71; terricola, 

 80, 100, 214; vagans, 80, 90, 98, 106 



Bombyliidx, 173, 174 



Bonnier, 212 



Borage, 60, 64, 213, 250 



Botanical garden, first American, 1, 2 



Bouncing bet, 151 



Brambles, 278 



Braun, Alexander, 20, 21 



Brilliancy of flowers, 238 



Brown flowers, 256 



Brown, Robert, 12 



Buckwheat, 116, 227; nectar-secretion 

 of, 89, 90, 202; red-flowered, 247, 

 248 



Bugle, 84 



Bumblebee-flowers, 56, 70-88; primi- 

 tive form of, 84, 86; punctures in, 80; 

 typical wild, 78 



Bumblebees, 52, 194; captured by 

 spider, 104; maxillae of, 96; nec- 

 taries punctured by, 96-102; pol- 

 lination of red clover by, 70-72; 

 queen, 84; species of, 71; tongue of, 

 74, 90 



Bunchberry, 203 



Burroughs, 200, 209 



Butter-and-eggs, 84, 86, 232 



Buttercups, 60, 92, 172, 194, 222, 224; 

 English, 230; familv, 250; colors of, 

 232 



Butterflies, 47, 212; blue, 134; brilliant 

 markings of, 125, 126; captured by 

 spider, 104; flowers robbed bv, 132, 

 134; flowers visited by, 96, 128-138; 

 number collected on flowers, 126; 

 number of species of , 126; punctures 

 in plant-tissues made by, 102; red, 

 134, 247 



Butterfly -flowers, 125 et seq.; Alpine, 

 134; best known, 128, 130; char- 

 acters of, 130; colors of, 134-138; 

 origin of, 158, 159; red, 134, 136; 

 small number of, 132 



Byturus unicolor, 188 



Cabbage-butterfly, 96 

 Cacti, Mexican, 146 

 Cactus, 224 

 Calceolaria, 56 



California, bees of, 92, 119; orange- 

 bloom in, 115 

 Calla-lilv, 168 



Calla palustris, 164 



Calliphora, 161 



Calycanthus, 256 



Calypso borealis, 84 



Campanula, 244; americana, 114 



Campanulacex, 253, 254 



Canna, 228 



Canterbury, 72 



Caprifoliacex, 194 



Carabidx Lebia, 188 



Caraway, 242 



Cardamine, 230 



Cardinal-flower, 76, 248 



Carpet-beetle, 188 



Carrion, beetle, 182; flower, 162; fly, 

 161, 212 



Carrot family, 242, 261, 262 



Carrotin, 228, 256; flowers owing color 

 to, 232; light's effect on, 230, 231 



Caryophyllacex, 130 



Cassia, 200; Chamxchrista, 116 



Castilleja, 203 



Catchfly, butterfly-flower, 128; long- 

 flowered, 151; night-flowering, 150; 

 nodding, 151 



Caterpillar, forest, 115 



Catkins, staminate and pistillate, 22-28 



Ceanothus, 190, 261; americanus, 180 



Cedar-tree, 38 



Centaurea cyanus, 92, 218 



Century-plant, 90 



Cerambycidx, 190 



Ceratopogon, 166 



Cereus, 146 



Cerinthe alpina, 84 



Celonia, 178, 182 



Chauliognathus, 188 



Checkerberry, 64 



Chelone glabra, 56, 78 



Chenopods, 223 



Cherries, 188; ground, 194; pollina- 

 tion of sweet, 267-270; varieties, 

 269, 270 



Chestnut, 232 



Chick weed, 244 



Children, love of flowers among, 2, 3 



Chlorophvll, 226, 228, 256; elements 

 in, 231; light's effect on, 230 



Chokeberry, 180, 190 



Choke-cherry, 180 



Christmas rose, 244 



Chrysanthemum, 236 



Chrysomelidx, 189 



Chrysopsis, 234 



Cinquefoils, 222 



City squares, gardens in, 3 



Claytonia rirginica, 110 



Cleistogamic flowers, 48 



Clematis, garden, 196; wild, 194, 196; 

 Jackmanni, 196, 219; virginiana, 196 



Cleome, 121; serrulata, 112; spinosa,90 



Click-beetle, 189 



Clinton ia borealis, 227 



Clover, color change in, 56; colors of, 

 64; nectarless, 202; red, 48, 70-72; 

 white, 56, 119, 202; yellow, 56 



Cobxa scandens, 218 



Coccinellidx, 188 



Cockerell, 112 



280 



