MORPHOLOGY, ANATOMY, AND PHYSIOLOGY. 



809 



Decussate arrangement of leaves, 25. 

 Deferred shoots, 32. 

 Definite iufloresceuces, 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. 

 Desmogeu, 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. 724. 

 Diadelphous, 518. 

 Diageotropism, 685, 688, 751. 

 Diagonal plane of flower, 499. 

 Diai^ram, floral, 498. 

 Diabeliotropism, 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, 4.55. 

 Dioecious, 86, 325. 

 Diplotegium, 531. 

 DiplostemoDOus, 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 ptsitions, 689 

 (Figs, 470, 471). 



Diurnal sleep of leaves, 669. 



Divergence, 24. 



Dormant buds, 32. 



Dorsal suture, 521. 



Dtrsifixed anther, 517 (Fig. 331. 



Dorsi ventral arrangement, 29 (Fig. 17). 



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

 13, 510 (Figs. 326, 327). 



Druble 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). 



Elater, 74, 331, 418. 



Eleruentary 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, 3t;0 : of 

 Charoideee, 254 (Fig. 182): of 

 Gymnosperms, 471 (Figs. 298, 

 299) : of Phanerogams, 440 

 (Dicotyledons, Fig. 286; Mono- 

 cotyledons, Fig. 267) : 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.285,291,292). 



Emergences, 64, 66, 188. 



Emulsin, 724. 



Enantioblastic, 552. 



Endocarp, 460. 529 (Fig. 341). 



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

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



Endogenous development, 21, 186, 345. 



Endoperidium, 318. 



Phidoph} tic, 233. 



Endopleura, 459. 



