INDEX 



799 



Cabbage, 344, 346, 426, 482, 582; do- 

 mesticated varieties of, 426; palmetto, 

 252 



Cactaceae, 710 



Cactus, 16, 85, 711, 771, 773; family, 710; 

 flowers, 710 



Calamites, 727 



Calcium, 177, 328; pectate, 171 



Callose, 543 



Callus, 418 



Calyptra, 644, 648 



Calyx, 353 



Cambium, 266; cork, 280, 281; secon- 

 dary, 306; vascular, 265, 281, 284, 304 



Cambrian period, 727 



Camerarius, 433, 487 



Camptosorus, 663 



Cane brake, 762 



Cankers, 574 



Canopy, 753 



Capillarity, 197, 201 



Capsule, 366 



Carbohydrates, 105, 134 



Carbon, 177; "assimilation." 109; diox- 

 ide, 98, 108, 152, 589, 593; "fixation," 

 1 10; monoxide, 416 



Carboniferous plants, 725, 730 



Carotene, 28, 175, 608 



Carotenoids, 28, 31, 169 



Carpel, 336, 354 



Carpogonium, 635 



Carpospore, 636 



Carposporophyte, 637 



Carrot family, 712; flowers and fruits, 

 713 



Caryopsis, 365 



Casein, 99, 142 



Cast, 702 



Catkin, 360, 361 



Cause and effect, 50-58 [see also Preface) 



Celery, 345, 347 



Cell, 59, 67, 169; a biological unit, 59-67; 

 differentiation, 70, 279, 302; divisioji, 

 55, 70, 302. 446, 447, 523; enlarge- 

 ment, 55, 70, 211, 213, 302; wall, 60, 

 65 



Cells and tissues, 68; companion, 282, 

 283; epidermal, 74. 78; guard, 74, 78; 

 meristematic, 68, 84; neck, 685; parts 

 of, 60; phloem, 283; subsidiary, 74; 

 ventral-canal, 685 



Cellulase, 170 



Cellulose, 65, 169, 543; synthesis of, 168; 



test for, 170 

 Cenozoic floras, 732 

 Chaparral, 781 

 Chara, 621 

 Charales, 621 

 Checkerboards, 467 

 Chemical elements, 100, 600; processes, 



97; substitution. 99 

 Chemistry, useful, 95-100 

 Chemosynthesis. 113, 114, 511 

 Chestnut, 704; blight, 704 

 Chimera, 419; graft, 419; mutant, 419; 



periclinal, 420; sectorial, 420 

 Chitin, 543 

 Chlainydomonas. 614 

 Chlorcnchyma, 72, 118; cortical, 264; in 



roots, 119 

 Chlorine, 177 



Chlorophyceae, 608, 613-621 

 Chlorophyll, 28-30. 608; a and b, 28; 



carbonate, 125; molecule, 125 

 Chloroplasts. 60, 65, 122; ninnbers and 



areas of. 122 

 Chlorosis, 575 

 Chromoplasts, 65 

 Chromosome, 443; aberrations. 475-485; 



complements of cells, 446, 450, 649. 



667, 684, 689; behavior, 444, 446, 452. 



475; numbers, 443 

 Chromosomes in cross-fertilization, 453: 



in life cycles, 450; in reduction divi- 

 sion, 451 

 Chrysophyceae, 608 

 Cladodia,'259 

 Cladonia, 563 

 Cladophora, 61 1 



Climate, 725, 729, 740, 757, 763 

 Climax associations, 754 

 Clone, 400, 401, 403, 

 Clostridium, 537 

 Clover. 43, 45; flowers, 708 

 Club fungi, 556; mosses, 668-673; root, 



582, 58.3 

 Coagulation, 62, 211 

 Coal deposits, 656 

 Colchicine, 477 

 Coleorhiza, 295 

 Coleus buds, 69; leaves, 73, 435; stem 



tip, 64 



