452 



INDEX 



Birch family, 301 



Bittersweet, 338 



Blackberry, rust, 72 



Black knot, 383, 384 



Black molds, 59 



Black rot, of cabbage, 376 ; of grapes, 

 384 



Blight of bean, 377 



Bordeaux mixture, 72, 380, 381, 382, 

 385 



Brace roots, 157, 159, 175 



Bracken fern, 97-108 



Bracts, 141, 159, 160, 161, 235 



Branches, 186-227; comparison with 

 roots, 169; of bean, 138; of cu- 

 cumber, 4, 7 ; of fern, 97 ; of moss, 

 87, 94; of moss protonema, 92, 

 93; of pine, 114, 115, 119 



Brassica oleracea, 369 



Bread mold, 53-59, 94 



Breeding of plants, 358-372 



Broom corn, 314 



Brown rot, 381, 382 



Brugmansia, 181 



Brussels sprouts, 218, 369 



Bryophyllum, vegetative multiplica- 

 tion, 171 



Bryophytes, 312 



Buckthorn, rust, 70 



Bud scales, 114, 115, 119, 216 



Buds, 215-219; adventive, 119, 171, 

 172, 218; axillary, 7, 216-218; 

 flower, 7, 215; leaf, 7, 215; of 

 fern stem, 97 ; of moss protonema, 

 93; terminal, 6, 113, 114, 115, 156, 

 216 



Bulbs, 201 



Burdock, 331 



Cabbage, 361, 362, 369; black rot, 



376; club root, 377 

 Cactus family, 307 

 Cactuses, 204, 245 

 Cambium, 116, 117, 138, 211; cork, 



118, 213 



Canada thistle, 328, 331, 334 



Cankers, 375 



Carbohydrate manufacture, 41, 43, 



45, 87, 245-248 

 Carbohydrates, 42, 43, 55, 291 

 Catkin, 265 

 Cauliflower, 282, 369 

 Cedar, red, rust, 69, 70, 71, 73 

 Cell, division, 14, 30, 31, 33, 36, 45, 



55 ; sap, 41 ; walls, 12, 30, 40 

 Cereal grains, 313; rusts, 69 

 Cherry, black knot, 383 

 Chestnut blight, 385 

 Chlorophyl, 30, 40, 42, 256 

 Chloroplasts, 31, 40, 47 

 Chocolate, 318 

 Cinchona, 214 

 Citrullus vulgaris, 10 

 Cladophora, 48, 49 

 Classification of plants, 295, 312 

 Climbing plants, 179, 197, 198 

 Clover, 27; crimson, 316 

 Cloves, 282 

 Club-mosses, no 

 Club root, 377 

 Cob of Indian corn, 160 

 Cocoa, 318 

 Coffee, 318 

 Compass plants, 241 

 Composite family, 155, 310 

 Conduction, of foods, 99, 174; of 



stimuli, 251 



Cones of pine, 122, 126, 129, 141 

 Conifers, 133-135 

 Conium, 337 

 Conjugation, in Spirogyra, 46-48; 



in wheat rust, 62 

 Convolvulus family, 309 

 Coppice growth, 219 

 Copra, 322 



Cork, 112, 170, 211, 213 

 Cork cambium, 118, 213 

 Corms, 201 

 Corn, 156-168; pollination of, 277; 



root tip, 169; rust, 70; smut, 385- 



387 



