INDEX 



627 



Cupules, 216 



Currants, 301 



Cuscuta, 339, 340, 341 



Cushion, 166 



Cuticle, 35 



Cycadaceas, 83, 331 



Cycadeoidea dacotensis, 600, 601, 

 602, 604 

 Dartoni, 605 

 Wielandi, 603, 604 



Cycadocephalus Sewardi, 600 



Cycadofilicales, 592, 598, 612, 613 



Cycads, 390 



Cycas, 83, 411, 431, 447 

 circinalis, 391, 401 

 media, 395, 397, 398, 408 

 revoluta, 390, 391, 394, 396, 

 402 



Cycle, organic, 70 



Cjfpripedium, 498 



Cyrtomium falcatum, 22, 155 



Cystopteris bulbifera, 164 



Cystopus candidus, 292 



Cytase, 100 



Cytoplasm, 16 



D 



Dandelion, 116, 486 

 Daisy, white, 486 

 Darwin, Charles, 511 

 Darwinism, 510 

 De CandoUe, A. P., 92 

 Decay, 322 

 Dewar flask, 106 

 Dextrinase, 79 

 Diastase, 86, 100, 102 

 Dicotyledons, 453, 456 

 Dictyota, 356, 364 

 Differentiation, dorso-ventral, 168 

 Diffusion, ss 

 of gases, 55 , 



Diffusion of liquids, 55 

 Digestion, 85 

 Dionasa muscipula, 86, 88 

 Dioon, 411 



edule, 403 

 Diplazium zelanicum, 154 

 Disease carriers, 310 

 Diseases caused by Phycomycetes, 



291 

 Diseases, contagious and infectious, 



309 

 Dissimilation, 90 

 Dodder, 339, 340, 341 

 Dog's-tooth violet, 434, 439 

 Dominance, 554 



law of, 553 

 Doubling, 464 

 Drosera, 347, 88 



intermedia, 87, 88 



rotundifolia, 348 

 Drynaria meyeniana, 151, 164 



Ecology, 4 



Ectotrophic micorhizas, 336 



Eel-grass, 348, 349 



Egg-cell, 170 



Egg, fertUized, nature of, 172 



development of, r 73 

 Eichornia crassipes, Solms, 51, 52 

 Elaters, 219, 373 

 Elephants, 514 

 Elm, 414 



Elymus virginicus, 293 

 Embryo, 174 



growth of, 174 

 Embryogeny, 608 

 Embryology, 4 

 Enation, 574 

 Encephalartos, 411 

 Endosmosis, 58 



