INDEX. 



8ii 



Daucuj earota, 343. 

 Daughter-cell, 95, 100, 433, 



434i 452. 454> 728, 746- 



nuclei, 104. 



Decomposition of carbon- 

 dioxide, 296, 298, 299, 

 303, 309. 



— of proteids, 402. 



— of rocks by Lichens, 392. 



— of soil, 263. 



— of vegetable matters, &c., 

 294. 



— of wood by Fungi, 389. 

 Decompositions due to 



Fungi, 369, 381, 385. 

 Deep-sea plants, 306. 

 Definite growth, 465, 483, 



544- 

 Definitive form and size, 412, 



413, 420, 421, 423, 439. 

 Degeneration, 7, 368. 

 Degradation, 64, 65. 



— due to parasitism, 368, 

 370. 



— products of, 328, 329. 

 Degraded reproductive or- 

 gans, 723. 



— roots, 369. 

 Deksseria sanguinea, 71. 

 Dentaria, 506. 



— bulbifera, 802. 

 Dependence of cell-division 



on form and growth of 

 organs, 433, 435- 



— of geotropic curvature on 

 growth, 679, 685, 688, 

 691. 



— of plant-life on heat, 197. 

 on light, 197, 301. 



■ on oxygen, 395, 402, 



403. 

 Depressed growing - points, 



461, 463, 474.. 

 Derivative hybrids, 784. 

 Derived forms, 7. 

 Descending sap, 156. 

 Descent, 2, 10, 516. 

 Desiccation, 211. 



— of soil, 258. 



• — of spores, 352. 

 ■ — of wood, 242. 

 Desmideae, 483. 

 Desmodium gyrans, 624. 



— — 645. 



Destruction of organic sub- 

 stance in respiration, 400, 

 402. 



— of trees by Fungi, 388, 

 389. 



Destructive action of Fungi, 

 369. 



in wood, 388. 



Development, 412, 414, 419, 

 524. 



Development, exogenous, 

 475. 



— progressive, 467, 468. 



— at expense of reserve- 

 materials, 327. 



— of growing-points influ- 

 enced by environment, 

 516, 523. 



— of organs at growing- 

 points, 460, 465, 467, 

 769. 



— of antherozoids, 770, 771. 



— of bark, 166. 



— of branches, 471, 475. 



— of cells, 94. 



— of chlorophyll, 300, 318. 



— of chlorophyll-corpuscles, 

 316. 



— of flowers, 497. 



— of flowers in darkness,534. 



— of glands, 184. 



— of leaf, 425, 468, 471, 475, 

 506, 744. 



— of laticiferous vessels, 174. 

 - — of plants in nutritive solu- 

 tions, 286. 



— of pollen, 1 01. 



— of resin-canals, 182. 



— of root, 15, 418, 470, 476, 

 522, 523, 744. 



— of shoot, 744. 



— of sporogonium, 738. 



— of starch-grains, 315, 316, 

 338. 



Dew, 278. 

 Dextrine, 349. 

 Dextrose, 343. 

 Diagram of flower, 761. 



— floral, 488. 



— of geotropic curvatures, 

 680, 686. 



— of plant, 488, 495. 



— of root, 275. 



Diagrams of growth and cell- 

 groupings, 440, 441, 

 443, 448, 450, 451, 

 452, 457, 459, 468. 



Diameter of tendrils, 666. 

 Dianthus, 780, 782. 



— caryophyllus, 782. 



— chinensis, 782. 

 Diaphragm of macrospore, 



747, 7SO. 

 Diastase, 343. 

 Diastatic ferments, 343. 

 Diatomacex, 288, 483, 604, 



606. 

 Dicentra thalictrifolia, 661. 

 Dichogamous flowers, 791, 



792- 

 Dichogamy, 789, 790, 799. 

 Dichotomeae, 745. 

 Dichotomy, 454, 473. 

 Diclinous flowers, 757, 790. 



Dicotyledon, 356, 415. 



— ascent of water in, 230. 



— flowers of, 757. 



— glands of, 184. 

 Dicotyledons, 44, 144, 155, 



160, 170, 229, 373, 375, 

 414, 418, 419, 424, 425, 

 470, 471, 472, 473. 478, 

 569, 581, 660, 689, 706, 

 758, 760, 763, 765. 



— phyllotaxis of, 500. 



— receptacles for secretion, 

 177. 



— reproduction of, 756. 



— secretion canals, 18 r. 



— secretion vesicles in, 179. 



— vascular bundles, 134. 



— venation of, 52. 



— wood, 162. 

 Dictamnus, 548. 



— Fraxinella, 183,472, 548. 



— —183. 

 Dictyota, 454. 



— 455. 



— dichotoma, 474. 

 Didymiumferonoceum, 420. 



— leucofus, 83. 



Differences between organ- 

 ised and unorganised 

 ferments, 348. 



— between sexual cells, 768. 

 Differentiation, 420, 423, 



. 437, 47°. 

 Diffusion, 212, 362, 363. 

 Digestion in Diomea, 376. 



— in Drosera, 378. 



— in Nepenthes, 379. 

 Digestive fluids in insecti- 

 vorous plants, 377, 379. 



— glands, 186, 378. 

 Digitalis, 271, 780, 782, 792. 

 Dimorphic flowers, 790. 

 Dioecism, 788, 789. 

 Dionsea, J74, 376, 597. 



— muscipula, 376, 650, 655. 



— — 375. 

 Dioscorea, 56. 



— batatus, 319, 672, 674. 



— Japonica, 674. 

 DioscoresE, 802. 

 Diosmosis, 211, 362, 363. 

 Dipsacus, 572, 597. 



— fullonum, 498, 543. 



498. 



Directions of cell- walls, 432, 

 438, 439-459- 



— of growth, 698. 



■ — of twining, 668, 669. 



Directive action of gravita- 

 tion, 678. 



of hght on chlorophyll- 

 corpuscles, 617-621. 



of light on leaves, 



621. 



