MORPHOLOGY, ANATOMY, AND PHYSIOLOGY. 



809 



Decussate arrangement of leaves, 25. 

 Deferred shoots, 32. 

 Definite inflorescences, 492. 

 Definitive nucleus, 451. 

 Dehiscence of anther, 520. 



of fruits, 531. 



of sporangium, 74. 

 Dehiscent fruits, 460, 531. 

 Dentate, 54. 



Dermatogen, 146 (Fig. 110), 149, 154. 

 Desmogen, primary, 151, 176. 



secondary, 202, 203 (Fig. 153). 

 Development of body. 13. 



of branches of roots, 186. 



of leaves, 185. 



of secondary members, 184. 



of hairs, 188. 



of emergences, 188. 



of reproductive organs, 188. 



of adventitious members, 189. 

 Dextrin, 708, 724. 

 Dextrose, 72 i. 

 Diadelphous, 518. 

 Diageotropism, 685, 688, 751. 

 Diagonal plane of flower, 499. 

 Diagram, floral, 498. 

 Diaheliotropism, 685, 688, 748. 

 Diaphragm, 414, 430. 

 Diarch stele, 179, 386, 428. 

 Diastase, 724. 

 Diastole, 736. 

 Dichasial cyme, 492. 

 Dichasium, 35 (Fig. 20), 492. 

 Dichlamydeous, 512. 

 Dichogamy, 454. 

 Dichotomy, 19 (Fig. 8), 33 (Fig. 18), 



184 (Fig. 140). 

 Diclinous, 87, 325, 358. 

 Dicyclic, 501. 

 Didynamous, 518. 

 Differentiation of tissues, 92, 175, 177, 



202. 



Digestive sac, 188. 

 Digitate, 381. 

 Dimorphic plant, 3. 

 Dimorphism, 455. 

 Dioecious, 86, 325. 

 Diplotegium, 531. 

 Diplostemonous, 501. 

 Directive effect of light, 674, 747 (Fig. 

 481). 



of gravity, 751. 

 Disc, 526. 



Dissected leaves, 54. 

 Dissemination of seed, 460. 

 Dissepiment, 522. 



false or spurious, 522, 603. 

 Dissimilar secondary members, 31. 

 Dissipation of energy, 731. 

 Distichous arrangement, 29 (Fig. 16). 

 Distractile anther, 517 (Fig. 331). 



Distribution of water and other sub- 

 stances, 700. 

 of organic plastic substances, 705. 



Diurnal and nocturnal positions, 689 

 (Figs, 470, 471). 



Diurnal sleep of leaves, 689. 



Divergence, 24. 



Dormant buds, 32. 



Dorsal suture, 521. 



Dursifixed anther, 517 (Fig. 331. 



Dorsiveutral arrangement, 29 (Fig. 17). 



Dorsiventrality, 9 (Fig. 2), 11 (Fig. 3), 

 13, 510 (Figs. 326, 327). 



Double flowers, 502. 



Drepanium, 36, 492. 



Drupe, 532 (Fig. 344). 



Drupel, 532. 



Duct, 139. 



Duplication, 501. 



Duramen, 199, 677. 



Dwarf-males, 249 (Fig. 178). 



Dwarf -shoots, 39. 



Ectoplasm, 95. 



Egg-apparatus, 451 (Fig. 292). 



E later, 74, 331, 418. 



Elementary constituents of the food 

 of plants, 710. 



Eleutheropetalous, 514. 



Eleutherophyllous, 514. 



Eleutherosepalous, 514. 



Emarginate, 54. 



Embryo, 13. 



Embryo-cell, 441. 



Embryogeny, 13. 



heteroblastic, 14, 254, 271. 

 holoblastic, 13, 441. 

 homoblastic, 13. 

 meroblastic, 13, 254, 441, 471. 

 of Bryophyta, 329, 334, 360: of 

 Charoideee, 254 (Fig. 182): of 

 Gymnosperms, 471 (Figs. 298, 

 299) : of Phanerogams, 440 

 (Dicotyledons, Fig. 286; Mono- 

 cotyledons, Fig. 287) : of Pteri- 

 dophyta, 372, 397 (Figs. 262, 

 263, 264), 412, 423 (Figs. 275, 

 276), 429. 



Embryonal tubes, 472 (Fig. 299). 



Embryonic branches, 68, 255. 



Embryo-sac, 70,438(Figs.2bo,291,292). 



Emergences, 64, 66, 188. 



Emulsin, 724. 



Enantioblastic, 552. 



Endocarp, 460, 529 (Fig. 344). 



Endodermis, 132, 152, 159, 165 (Fig. 

 127), 166 (Figs. 128, 129), 678. 



Endogenous development, 21, 186, 345. 



Endoperidium, 318. 



Eudopbytic, 233. 



Endopleura, 459. 



