INDEX 



453 



skeleton of, 39 ; reproduction of, 

 416, 421 



Cold, injurious effects of, 328 



Coleochtste, 427 



Collenchyma, 21, 52 



Commensalism, 210 



Conducting system, 21 



Conjugation, 425 



Constructive processes, anabolic, 

 272 ; katabolic, 274 



Contact, stimulus of, 384 



Convolvulus, 388 



Copper, 143, 188 



Cork, 20, 49 



Cortex, 240 



Crassulacece, 124, 128 



CRATO on photosynthesis, 168 



Crystalloids, 251 



Crystals of proteid, 251 



Cucumis, 266 



Ciicurbita, 87 



Cupuliferce, 212 



Curvature (of stimulated roots), 385 



Cuscuta, 219, 343, 389 



Cuticle, 48 ; influence on transpira- 

 tion, 90 



Cuticularisation, 20, 48 



Cutin, 49, 50 



Cutleries,, 423 



Cycas (antherozoids of), 436, 445 



Cyclamen (apheliotropism of pe- 

 duncles of), 378 



Cystocarps, 427 



Cystoliths, 51, 286 



Cytase, 262, 264 



Cytoplasm, 5 



DARWIN, on localisation of sensitive- 

 ness, 379, 382 ; on tendrils, 386 ; 

 on twining stems, 388 ; on Drosera, 

 391 



DARWIN, F., and PERTZ on induced 

 rhythm, 395 



Day and night, influence of alterna- 

 tion of, 372 



Delphinium, 438 



Dermatosomes, 44 



Descending sap, 231 



Desmids, 380 



Desmodium gyrans, 355, 372 



Diageotropism, 381 



Diaheliotropism, 378 



Diastase, 262 ; function of, 263 ; in 

 pollen, 443 



Diaster stage in mitosis, 415 



Diatoms, 348 



Dichogamy, 440 



Diclinism, 441 



Digestion, 137 ; by Nepenthes, 203, 

 260; by Lathrcea, 204; by 

 Drosophyttum, 205; by Pingui- 

 cula, 206 ; by Dioncea, 208, 260 ; 

 by Drosera, 207, 260 ; by Bacteria, 

 209 ; of reserve materials, 256 ; 

 by Fungi, 257 



Dimorphism, 442 

 1 Dioecious plants, 441 



Dioncea, 149, 206, 208, 261, 349, 



370, 384, 391, 398,^400, 403, 408 

 ' Dodder, see Cuscuta 



Dorsiventral structures, 315 



Drosera, 149, 207, 261, 349, 384, 

 391, 394, 403, 405, 406 



Drosophyllum, 205 



Duramen, 72 



Ectocarpus, 423 



Ectoplasm, 5 



Egg apparatus, 432 



Elaioplasts, 254, 279 



Elodea, 6, 350 



Embryo, nutrition of, 133 



Embryo-sac, 431 



Emulsin, 262, 267 



Endodermis, 69 



Endosperm, 431 



Energy, expenditure of, in photosyn- 

 thesis, 170, 288; expenditure of, 

 in transpiration, 288, 294 ; in 

 constructive processes, 288, 294 ; 

 in growth, 289 ; in movement, 

 290 ; in production of heat 290, of 

 light 292 ; sources of, 292, 322 ; 

 potential and kinetic forms of, 

 295 ; liberation of, 296 ; distri- 

 bution of, 297 



ENOBLMAKN, on evolution of oxygen 

 in different parts of the spectrum, 

 170 ; on purple bacteria, 172 



Entomophilous flowers, 438 



Environment, nature of, 371 



Enzymes, 138, 258 ; preparation of, 

 270 ; secretion of, 275 ; in pollen, 

 443 



Ephedra, 50 



i Epidermis, characters of, 48 

 : Epinasty, 315 



Epiphytes, 210, 340 



Epistrophe, 364 

 I Equatorial plate, 414 



Equisetacece, 50 



Equisetum, sclerenchyma of, 27, 29 ; 

 air-spaces in, 108 ; chloroplasts 

 in, 160 



Erianthus, 29 



ERLENMEYER on photosynthesis, 167 



