INDEX 



627 



Cupules, 216 

 Currants, 301 

 Cuscuta, 339, 34<>, 34i 

 Cushion, 166 

 Cuticle. 35 

 Cycadaceae, 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, 4<>? 



revoluta, 390, 391, 394, 396, 



402 



Cycle, organic, 70 

 Cypripedium, 498 

 Cyrtomium falcatum, 22, 155 

 Cystopteris bulbifera, 164 

 Cystopus candid us, 292 

 Cytase, 100 

 Cytoplasm, 16 



D 



Dandelion, 116, 486 

 Daisy, white, 486 

 Darwin, Charles, 511 

 Darwinism, 510 

 De Candolle, A. P., 92 

 Decay. 322 

 Determiner, 558 

 Dewar flask, 106 

 Dextrinase, 79 

 Diastase, 86, 100, 102 

 Dicotyledons, 453, 456 

 Dictyota, 356, 364 

 Differentiation, dorso- ventral, 168 

 Diffusion, 55 

 of gases, 55 



Diffusion of liquids, 55 

 Digestion, 85 

 Dionaea 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, fertilized, nature of, 172 



development of, 1 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 

 Endosperm, 400, 430 



