Buckthorn, 80.
Buckwheat, 80; in New York and Pennsylvania, 81.
Buckwheat, Wild. See Wild Buckwheat.
Buckwheat-tree, 221.
Bumblebee-Flowers, 21.
Bumblebees —
as pollinators of red clover, 108-110; in Australia and New Zealand, 108.
Bumelia lycioides, 112.
Buttonbush, 84.
Bur Clover, 82.
Buckwheat Honey, 80, 81.
Cachanilla, 84.
Cactus, 84, 86.
Calfkill. See Mountain Laurel, 172.
Calico Bush. See Mountain Laurel, 172.
California, 387.
California Poppy, 41.
Calluna vulgaris, 138.
Campanilla, 86; blanca, 88; morada, 89;
triloba, 89.
Camphor-weed, 73.
Canada Thistle, 89.
Canoe-wood, 224.
Carnation Clover. See Crimson Clover.
Carpenter’s Square, 126.
Cardoon, 63. See Artichoke.
Carpet Grass, 89.
Carrot, 90.
Carya, 45.
Cascara sagrada (Buckthorn), 80.
Cassia, 90.
Cassia Chamaechrista, 184.
Cassia marilandica, 243.
Castalia, 51; tuberosa, 51; odorata, 51.
Castanea dentata, 41; nana, 43, 96; pumila, 43, 97.
Castor-oil Plant, 41.
Catalpa speciosa, 90.
Catnip, 90.
Catsclaw, 90, 93.
Cat's-ear, 94.
Ceanothus, 94; americanus, 94; integerrimus, 172; prostrata, 172; thyrisflorus, 172; velutinus, 172.
Celery, 96.
Celtis, 135; occidentalis, 135; pallida, 136.
Centaurea Cyanus, 67; melitensis, 175;
solstitialis, 244.
Centromadia pungens, 206.
Century Plant. See Agave.
Cephalanthus occidentalis, 84.
Cercis canadensis, 194.
Chamise, 96.
Chapman’s Honey Plant. See Globe Thistle, 130.
Charlock, jointed. See Radish.
Cherry, 96.
Cherry Laurel, 96.
Chestnut, 41.
Chicory, 96.
Chinaberry. See Soapberry, 204.
Chinese Sumac. See Tree of Heaven, 223.
Chinquapin, 43, 96.
Chittam, 97.
Chittinwood. See Coma, 112.
Christmas Berry, 97.
Christmas Pop, 88.
Chrysothamnus, 191; frigidus, 191; lanceolatus, 191; nauseosus, 191; platensis, 191; pumilus, 191.
Cichorium Intybus, 96.
Cirsium arvense, 89.
Cissus —
incisa, 117; arborea, 117.
Citrullus vulgaris, 232.
Citrus —
Aurantium, 175; Limonium, 147; Limetta, 147.
Citrus Fruits, 175.
Clematis, 43.
Jackmanni, 43; virginiana, 43.
Cladestris lutea, 244.
Cleome —
lutea, 195; serrulata, 195; spinosa, 195.
Cleomella angustifolia, 97.
Clethra alnifolia, 97.
Cliftonia monophylla, 221.
Climate, effect of on time of blooming, 8.
Climbing Boneset, 98.
Climbing Hempweed, 98.
Clover —
Number of species, 98-112; conditions favorable for, 98; alsike, 100, 101; white, 101-106; crimson, 106; red, 108-112; sour, 112; yellow hop, 111.
Coccidae, 30.
Coccolobis uvifera, 201.
Cocklebur, 43.
Cocos nucifera, 179.
Coffeeberry, 80.
Colima, 112.
Colorado, 361.
Coma, 112.
Condalia obovata, 78.
Cone Trees, 43.
Connecticut, 270.
Coral Bean, 112.
Coralberry. See Buckbrush, 80.
Coral Vine. See Pink-vine, 188.
Corn, 43.
Cornel. See Dogwood, 122.
Cornus, 122.
Corylus americana, 45.
Cotton —
Honey, 116; honey flow from, 116; in the Southwest, 116; in Texas, 115; Asiatic, 117; varieties of grown in United States, 112; short-staple, 112; long-staple, 112; nectaries, 114.
Cotton Gum. See Tupelo, 226.
Cottonwood, 48.
Cow-itch, 117.
Cowpea, 117.
Cranberry, 117.
Crataegus, 136; oxycantha, 136.
Creosote-bush, 117.
Crocidium Multicaule, 118.
Crocus vernus, 117.
Cross-pollination, 4.
Crownbeard, 118.