INDEX. 



421 



Cohesion, carpels 241; stamens 

 248 



Cold, protection against 315 



Colonies, gelatinous 8 



Color, significance 359 



Conducting tissues 156 



Cone, pine 298 



Conifers, fruit 298 



Conjugatae 16, 20 



Conjugation 269, 274 



Contact movements 203 



Contractility 145 



Convolvulus, hairs 321 



Coprinus, gill 217 



Cosmos, stamens 249 



Cotton, fruit 366 



Cotyledons 117 



Cork 110; cambium no 



Corm 90 



Corn, stem bundles 107 



Cornus, inflorescence 257 



Corolla 237, 253 



Coronilla, sleep movement 207 



Cortex, Chara 30; leaves 135; 

 root 72, 73; secondary 109; 

 stem 100, 109 



Cranberry rust, spore chain 354 



Crataegus, stipules 121 



Cross-pollination 255; adapta- 

 tions for 358 



Crucibulum 218 



Crystals 175, 176, 351 



Cup fungus 223 



Currant, nectary 177; ovules 

 242 



Cuscuta 339 



Cutin 6 



Cuttings 266 



Cycas, carpel 238; seed 297 



Cystocarps, Polysiphonia 288, 

 289 



Cystopus 277, 375, 403 



Cytoplasm 2 



Dandelion, fruit 365 



Datura, anther 248; leaf mo- 

 saic 196 



Dehiscence, anthers 247; fruit 

 301, 302, 303 



Development, phases of 178 



Desmids 16 



Desmodium fruit 366 



Diatoms 14, 15 



Dichotomy 78, 86 



Digestion 162; intracellular 170 



Dionaea 346; leaf 208, 345 



Distribution, of seeds 361; of 



spores 353 

 Dodder 339 



Dogwood, inflorescence 257 

 Domatia 350 

 Dorsiventrality 57 

 Draba, hairs 322 

 Dracaena, stem 114 

 Drosera, leaves 345 

 Duration, of root 73; of shoot 



94 



Echinocactus, shoot 98 



Ecology 144, 307 



Edelweiss, hairs 321 



Eel grass, runners 265 



Egg 285 



Elaeagnus, scales 322 



Elaters 7, 355 



Elatine, stem 102 



Elder, lenticel 113 



Elm, buds 88; cork cambium 



110 

 Emergences 101, 102, 202 

 Embryo 62, 63, 66,239,291, 295, 



296, 297, 300, 304; sac 243, 



244 

 Empusa 354 

 Endodermis, root 72, 75, 77; 



stem 100, 115 

 Endosperm 298, 299 

 Energy, released by respiration 



173 

 Entoderma in alga 335 

 Enzymes 162 

 Epidermis, adaptations 320; of 



leaf 133; of root 70; of stem 



100, 101 

 Epipactis, cell division 17 

 Epiphytes 331 

 Epispore 214 

 Equisetum 230, 232, 384; apical 



bud 84; sporangium wall 233: 



spores 233 

 Ergot, fructification 47, 226 

 Erysiphe 224, 375; fruit 295 



