INDEX 



559 



531; structure and reproduction, 87- 



89. 



Diatomin, 87. 

 Dicentra, 429, 540, 543, 545, 547; D. 



cucullaria, Fig. 416. 

 Dichapetalaceae, Dichapetalineae, 445. 

 Dichasium, 367. 

 Dichotomy, 20, 21. 

 Dicksouia, 280. 

 Diclinous flowers, 350. 

 Dicotyledon, Dicotyledones, 11, 256, 345, 



362, 363, 364, 365, 369, 372, 374, 377, 



379, 381, 400, 413, 536, 537, 542; classi- 

 fication of D., 413. 

 Dictydium cancellatum, 70, Fig. 50. 

 Dictyostelium, 71. 

 Dictyota, 47, 135; D. dichotoma, Figs. 



31, 105. 



Dictyotales, 134. 

 Dictyuchus, 154. 

 Diefl'enbachia Seguine, 389. 

 Differentiation of tissues, 483. 

 Digestive pouch, 261, 301. 

 Dilleniaceae, 446. 

 Dioon, 328. 



Dionaea muscipula, 486, 509. 

 Dioscorea, Dioscoreaceae, 372, 375, 377, 



390, 391, 392 ; D. villosa, 392 ; D. 



batatas, 392. 

 Diospyrinese, 458. 

 Diospyros, 367, 402, 448, 450, 451; Z. 



Virginiana, Figs. 334, 378, 440. 

 Dipodascus albidus, 164, Fig. 128. 

 Dipsacus, Dipsacaceae, 454, 455, 459; D. 



sylvestris, Fig. 445. 

 Dirca p'alustris, 441, Fig. 435. 

 Direct nuclear division, 47, 63. 

 Discolichenes, 192. 

 Disease germs, 76. 

 Disk-floret, 457. 

 Doassansia, 175. 

 Docidium, 109. 



Dock (Rumex) , 28, 422, Fig. 20. 

 Dodder (see also " Cuscuta "), 3, 26, 29, 



151. 

 Dodecatheon, 450, 451 ; D. Meadia, Fig. 



439. 



Dogbane (see also " Apocynum "), 452. 

 Dogwood (see also "Corn us"), 26, 363, 



548. 



Dora-palm (Hyphaene), 375, 386. 

 Dormant buds, 21. 

 Dormant protoplasm, 35. 

 Dorsi-ventral organs, 22. 

 Douglas-fir (see " Pseudotsuga "). 

 Dracaena, 375, 384, 390. 

 Drac.onthim gigas, 388. 

 Draparnaldia, 16. 101, 102, Fig. 71. 



Drosera, Droseraceae, 430, 431, 444, 478, 

 507, 508; 1). Jiliformis, Fig. 418; T). 

 intermedia, Fig. 477. 



Drupaceae, 433. 



Drupe, 360, 368. 



Dudresnaya, 144, 145; D. purpurifera, 

 Fig. 114. 



Dumortiera, 205, 209. 



Dwarf males (CEdogonium), 105. 



Earth-star (see "Geaster"). 



Earth-worms, 469. 



Ebenaceae, 451, 458. 



Ebenales, 449. 451, 458. 



Ectocarpaceae, 126. 134. 



Ectocarpus, 65, 123, 124, 125, 126, 129; 



E. granulosus, Fig. 95 ; E. siliculosus, 



Figs. 47, 95. 

 Ectoplasm, 37. 

 Edible Fungi, 184. 

 Egg-apparatus, 355. 

 Egg-cell, 9, 65. 

 Egregia: E. Menziesii, 126, 127, 128, 



Figs. 97, 99. . 



Eichhornia crassipes, 369, 392. 

 Elaeagnaceae, 441, 447. 

 Elaeagnus, 29, 30, 441; E. argenteus, 



Fig. 22. 



Elaeocarpaceae, Elaeocarpinese, 446. 

 Elater, 204, 211, 221, 293, 302, 303, 511; 



Equisetum, 293, 302, 304 ; Liverworts, 



204 ; Marchantiales, 211. 

 Elatinaceae, 446. 



Elder (see also " Sambucus "), 454. 

 Electric stimuli, 42, 43, 493. 

 Elm (see also " Ulmus"), 413, 419, 512, 



540, 545, 548. 

 Elodea, 40, 369, 382, 383; E. Canadensis, 



Fig. 355. 

 Embryo,- 196, 198, 208, 221, 231, 244, 252, 



267, 270, 286, 292, 294, 305, 306, 313, 



325, 330, 341, 342, 345, 358, 371, 372, 



404; Angiosperms, 358; Anthoceros, 



221; Bryales, 231,234; Conifers, 341, 



342 ; Cycads, 330 ; Dicotyledons, 401 ; 



Equisetum, 294; Ferns, 252; Gnetales, 



345; Lycopodium, 305, 306; Marattia, 



270; Monocotyledons, 371, 372; 



Ophioglossaceae, 267; Riccia, 208; 



Sphagnum, 231. 

 Embryology, 10. 

 Embryophyte (see " Archegoniatae," 



" Spermatophyta "). 

 Embryo-sac, 325, 329, 339, 345, 354, 355, 



370; Gnetales, 345; Monocotyledons, 



370. 



Emergence, 29. 

 Empetraceae, Empetrineae, 445. 



