INDEX 



463 



Coenocytes, structure of, 10, 11 ; 

 skeleton of, 44 ; reproduction of, 

 425, 430 



Cold, injurious effects of, 333 



Coleochcete, 436 



Collenchyma, 25, 57 



Commensalism, 201 



Conducting system, 26 



Conjugation, 434 



Constructive processes, anabolic, 

 264 ; katabolic, 266 



Contact, stimulus of, 392 



Convolvulus, 396 



Copper, 135, 181 



Cork, 25, 54 



Cortex, 232 



Crassulaceoe, 298, 302 



Crystalloids, 243 



Crystals of protein, 243 



Cucumis, 258 



Cucurbita, 92 



Cupuliferce, 204 



Curvature (of stimulated roots), 393 



Cuscuta, 210, 350, 397 



Cuticle, 54 ; influence of, on tran- 

 spiration, 24 



Cuticularisation, 24, 53 



Cutin, 54, 55 



Cutkria, 432 



Cycas, antherozoids of, 446, 456 



Cyclamen, apheliotropism of pedun- 

 cles of, 386 



Cystocarps, 436 



Cystoliths, 56, 279 



Cytase, 254, 257 



Cytoplasm, 5 



CZAPEK, 409 



DARWIN, on localisation of sensitive- 

 ness, 387, 391 ; on tendrils, 394 ; 

 on twining stems, 396 ; on Drosera, 

 414 



DARWIN, F., and PERTZ on induced 

 rhythm, 404 



Day and night, influence of alterna- 

 tion of, 379 



Delphinium, 449 



D jrmatosomes, 49 



Djscending sap, 223 



D^smids, 358, 388 



Desmodium gyrans, 362, 379 



Dlageotropism, 390 



Diaheliotropism, 386 



Diastase, 254 ; function of, 255 ; in 

 pollen, 454 



Disaster stage in mitosis, 424 



Diatoms, 355 



Dichogamy, 451 



Dlclinism, 452 



Digestion, 129 ; by Nepenthes, 196, 

 253 ; by Drosophyllum, 197 ; by 

 Pinguicula, 197 ; by Dioncea, 

 200, 253 ; by Drosera, 199, 253 ; 

 by Bacteria, 200 ; of reserve ma- 

 terials, 248 



Dimorphism, 453 



Dioecious plants, 452 



Dioncea, 197, 199, 253, 356, 377, 

 392, 399, 407, 410, 413, 417 



Dodder, see Cuscuta 



Dorsi ventral structures, 320 



Double fertilisation, 447 



Drosera, 199, 253, 356, 392, 399, 

 402, 413, 414, 415 



Drosophyllum, 197 



Daramen, 77 



Ectocarpus, 432 



Ectoplasm, 5 



Egg apparatus, 441 



Elaioplasts, 246, 271 



Elodea, 6, 357 



Embryo, nutrition of,*125 



Embryo -sac, 440 



Emulsin, 254, 259 



Endodermis, 75 



Endo-skeleton, 34 



Endosperm, 440, 444 



Energy, expenditure of, in photosyn- 

 thesis, 161, 281 ; expenditure of, 

 in transpiration, 281, 287 ; in 

 constructive processes, 282 ; in 

 growth, 282 ; in movement, 283 ; 

 in production of heat, 283 ; of 

 light 285 ; sources of, 285, 326 ; 

 potential and kinetic forms of, 

 288; liberation of, 288; distri- 

 bution of, 289 



ENGELMANN, on evolution of oxygen 

 in different parts of the spectrum, 

 161 ; on purple bacteria, 163 



Entomophilous flowers, 449 



Environment, nature of, 336 



Enzymes, 130, 250 ; preparation of, 

 262 ; secretion of, 268 ; in pollen, 

 454 



Ephedra, 56 



Epidermis, characters_of, 53 



Epinasty, 320 



Epiphytes, 201, 346 



Epistrophe, 371 



Equatorial plate, 422 



