4 68 



Index 



Birdseye Maple, 372, 373 



Birth-rate in man, 302 



Black-knots, 451 



Bladders, on fruits, 388 



Blades, of leaves, 70 



Blights, 273, 451 



Blue-green Algse, 380, 448 



Body plasm, 415 



Boston Ivy, 13, 232 



Botanical study, 1 ; education, 3 



Botany, defined, 2 



Bracts, 70 



Bracket-fungi, 451, 452 



Branching, explained, 49 



Bread raising, 98 



Breathing, 85, 191 



Brown Algae, 447 



Brown in leaves, 44 



Browning of evergreens, 202 



Bryophytes, 454 



Buds; originate stems, 61; coverings, 67; 



protection of, 277; development, 359, 



360; position, 361 

 Bud sports, 437 

 Bulblets, 279 

 Burbank, 443 

 Burdock, 395 



Bursting of pavements, 79 

 Butcher's Broom, 71 



Cactus, 68, 70, 212, 264, 269, 277, 

 396 



Caffeine, 125 



Cambium, 155, 221, 362 



Camphor, 117 



Cane sugar, chemistry, 27, 108 



Capillarity, 169; phenomena, 179; ex- 

 plained, 179; diagram, 179, 180; in 

 plant life, 181, 215 



Carbohydrates, 106, 107; derivatives, 

 106, 116 



Carbon dioxide, in atmosphere, 29; in 

 photosynthesis, 30, 31, 35, 48; in 

 respiration, 81 



Carbonization, 113 



Cardinal points, 333 



Carpet plants, 454, 460 



Caruncle, 398 



Cell division, 284, 287, 341, 355 



Cells, described, 20, 160; sugar holding, 

 107; conventionalized, 161; shapes, 

 153, 164; discovery, 158; named, 158; 

 why exist, 161; sizes, 161; enlarge- 

 ment, 342, 343 



Cellulose, described, 111; chemistry, 113; 

 modifications of, 113; alteration to 

 coal, 113, 157 



Cell wall, 150, 151; shapes, 153; thick- 

 ness, 166; composition, 157 



Chemosynthetic Bacteria, 448, 449 



Chemotropism, 241 



Chimseras, 351 



Chlorophyll; distribution, 17, 18; flu- 

 orescence, 19; properties, 19; insta- 

 bility, 19; grains, 21, 22, 110, Plate I; 

 and light, 32, 34; in photosynthesis, 35; 

 why green, 37; composition, 117; origin 

 in time, 450 



Chloroplastids, 160 



Chondriosomes, 159 



Chromatin, 284 



Chromosomes, in division, 77, 284, 287; 

 composition, 129, 160, 162 



Chrysanthemum, improvement of, 426, 

 427 



Cion, 349 



Circulation of substances in Nature, 133 



Circumnutation, 77, 346, 348 



Cladophora, 447 



Classes of plants, 462 



Classification, 2, 404, 445 



Cleistogamous flowers, 316, 318 



Clematis seed, 389 



Clerodendron flowers, 316 



Climbers, 242, 464 



Climbing organs, 72 



Clinostat, 238, 239 



Close pollination, 438 



Clover, fruits, 387 



Club-moss, 456, 457 



Clusters of flowers, explained, 321 



Coal, formation, 114 



Cobcea scandens, 326 



Cocaine, 125 



Cockscomb, 373 



Cocoanut, dissemination, 394 



