INDEX 



453 



Collenchyma, 21, 52 



Commensalism, 195 



Conducting system, 21 



Conjugation, 425 



Constructive processes, anabolic, 

 258 ; katabolic, 260 



Contact, stimulus of, 383 



Convolvulus, 387 



Copper, 129, 175 



Cork, 20, 49 



Cortex, 226 



Crassulacece, 292, 296 



CRATO on photosynthesis, 154 



Crystalloids, 237 



Crystals of protein, 237 



Cucumis, 252 



Cucurbita, 87 



Cupulifera, 197 



Curvature (of stimulated roots), 385 



Cuscuta, 203, 342, 388 



Cuticle, 48 ; influence of on tran- 

 spiration, 20 



Cuticularisation, 20, 48 



Cutin, 49, 50 



Cutleria, 423 ' 



Cycas (antherozoids of), 437, 446 



Cyclamen (apheliotropism of pe- 

 duncles of), 377 



Cystocarps, 427 



Cystoliths, 51, 273 



Cytase, 248, 251 



Cytoplasm, 5 



CZAPEK, 400 



DARWIN, on localisation of sensitive- 

 ness, 378, 382 ; on tendrils, 385 ; 

 on twining stems, 387 ; on Drosera, 

 405 



DARWIN, F., and PERTZ on induced 

 rhythm, 394 



Day and night, influence of alterna- 

 tion of, 371 



Delphinium, 439 



Descending sap, 217 



Desmids, 379 



Desmodium gyrans, 354, 371 



Diageotropism, 380 



Diaheliotropism, 377 



Diastase, 248 ; function of, 249 ; in 

 pollen, 444 



Diaster stage in mitosis, 415 



Diatoms, 347 



Dichogamy, 441 



Diclinism, 442 



Digestion, 123 ; by Nepenthes, 190, 

 247 ; by Drosophyllum, 191 ; by 

 Pinguicula, 191 ; by Dioncca, 



194, 247 ; by Drosera, 193, 247 ; 

 by Bacteria, 194 ; of reserve ma- 

 terials, 242 ; by Fungi, 257 



Dimorphism, 443 



Dioecious plants, 442 



Dioncea, 135, 191, 193, 247, 348, 

 369, 383, 390, 398, 401, 404, 408 



Dodder, see Cuscuta 



Dorsiventral structures, 314 



Double fertilisation, 437 



Drosera, 135, 192, 247, 348, 383, 

 390, 393, 404, 405, 406 



Drosophyllum, 191 



Duramen, 72 



Ectocarpus, 423 



Ectoplasm, 5 



Egg apparatus, 432 



Elaioplasts, 240, 265 



Elodea, 6, 349 



Embryo, nutrition of, 119 



Embryo-sac, 431 



Emulsin, 248, 253 



Endodermis, 69 



Endo-skeleton, 29 



Endosperm, 431, 434 



Energy, expenditure of, in photosyn- 

 thesis. 156, 276 ; expenditure of, 

 in transpiration, 275, 281 ; in 

 constructive processes, 276 ; in 

 growth, 276 ; in movement, 277 ; 

 in production of heat 277, of 

 light 279 ; sources of, 279, 321 ; 

 potential and kinetic forms of, 

 281 ; liberation of, 281 ; distri- 

 bution of, 282 



ENGELMANN, on evolution of oxygen 

 in different parts of the spectrum, 

 157 ; on purple bacteria, 159 



Entornophilous flowers, 439 



Environment, nature of, 329 



Enzymes, 138, 244 ; preparation of, 

 256 ; secretion of, 261 ; in pollen, 

 444 



Ephedra, 50 



Epidermis, characters of, 48 



Epinasty, 314 



Epiphytes, 195, 339 



Epistrophe, 363 



Equatorial plate, 414 



EquisetacecB, 50 



Equisetum, sclerenchyma of, 27, 29 ; 

 air-spaces in, 108; chloroplasts 

 in, 146 



Erepsin, 248 



Erianthus, 29 



ERLENMEYER on photosynthesis, 154 



Erythrophyll, 144 



