INDEX. 



943 



Dasycladese, characteristics, il. 647. 

 DasylirioD, habitat, i. 438. 



— leaf, teeth and apex, i. 438. 

 Dasytes, honey-sucker, ii. 179. 



— pollen devourer. ii. Iij7. 



Dat« Palm. See Phosnix dactylifera. 

 Date-plum. See Dxospyros Lotus. 

 Datura, opening and closing, ii. 116. 



— scent, i. 202. 



Datura ceratocaula, size of flowers, iL 185. 

 Datura Knightii, size of flowers, ii. 186. 

 Datura Metel, time open, ii. 213. 

 Datura Stramomum, fruit protection, ii. 442. 



inequaUty of leaves and use, L 422. 



leaf-mosaic, i. 411. 



night Tisitors, ii. 196. 



odour, i. 431. 



opening of flower, ii. 212, 213. 



protection of pollen, ii. 113. 



Daucus, peripheral flowers, ii. 186. 



— umbel, day and night positions, L 531. 

 Daucus Carota, downward pull of roots, L 767. 

 protection of stomata from moisture, 



i. 295. 



root, i. 760. 



Daughter-cells, i. 578. 



Davallia, protection of sporangia, ii. 13. 



— soms and indusium, ii. 706. 

 Day-lily. See Htmerocallis Ji^va. 

 Deadly Nightshade. See At ropa Belladonna. 

 Dead Sea, blueness, i. 389. 



De CandoUe, i. 15. 



table of classification, ii. 603. 



Decay, putrefactive, a necessary condition 



of life. i. 264. 

 Deciduous Cypress. See Taxodium dis- 



tichtim. 

 Deciduous leaves, i. 347. 

 change of colour, i. 485. 



— shrubs, antbocyanin, i 520. 



— stipules, i. 351. 

 Decurrent, leaf, i. 596. 



— leaves, transpiration, i. 336. 

 Decussate leaves, i. 393. 



Definitive nucleus, and endosperm forma- 

 tion, ii. 421. 

 Defoliation, i. 361. 



Dehiscence of anthers in Grasses, ii. 91, 140. 

 Dehiscent dry fruit, ii. 429. 

 Deilaphila Euphorbiae, victim of Araujia, ii. 



260. 

 De Juasieu, A. L. and B., natural system of 

 1 classification, ii. 602. 



De I'Ecluse, Charles (1526-1609). SeeClusius. 

 Delphinium, foliage and light, i. 412. 



— follicle, u. 430. 



— integument of ovule, ii. 81. 



— morphological value of ovule, Ii. 82. 

 — ■ possible cause of doubling, ii. 554. 



— preservation of colour in Egyptian graves, 



i. 262. 

 Delphinium Ajacis, effect of mutilation, ii. 



517. 

 Delphinium cashmirianum, antholysis, ii. 



78. 

 Delphinium elatum, antholysis, ii. 83. 



re-erection of inflorescence, i. 744. 



Delphinium nudicaule and D. cashmirianum, 



colour of flowers and hybrid, ii. 567. 

 Delpino, and difference of pollen in hetero- 



styled flowers, ii. 405. 

 Deodrobium, ii. 738. 



— fimbriatura, discharge of pollinia, ii. 269, 



270. 

 Denizen, apphcation of term, i. 243. 

 Dentaria, i>eripberal flowers, ii. 186. 



— scaly stem, i. 652. 



— wasy coating, ii. 237. 



Dentaria bulbifera, bulbils, ii 460, 461. 



habitat, ii. 110. 



rhizome and hght, i. 484. 



Dentaria digitata, &c., leaf and light, L 286, 



habitat, ii. 110. 



Dentaria enneaphyllos, habitat, ii. 110. 

 Dentate, i. 233. 



De Plantis Libri. by Cesalpino, ii. 601. 

 Deposition of pollen, iL 280. 



Derbesia, zoosporan^a and zoospores, ii. 



645. 

 Derivatives, of hydro-carbons, i. 454. 

 Dermatogen, and leaf origin, i. 649 

 Dermestes, and Dracunculus vulgaris, ii. 



165. 



— and indoloid scents, ii. 207. 

 Dennestes undulatus, and Dracunculus 



Creticus, ii. 165. 

 Dermogloea, ii. 621. 

 De SauEsure, discovers red-snow, i 38 

 Deserts, annual and perennial plants in, i. 



556. 

 Desiccation, protection from, by salt incriistar 



tions, i. 236. 



— protection of fruits from, ii. 449. 

 Desmanthus natans, swimming apparatus. 



i. 669. 



Desraid, division, ii. 655. 



Desmids and specific constitution of proto- 

 plasm, ii. 492. 



— ceU-divisio! PI. I., i. 576, 581. 



— conjugation, ii. 55. 



— habitat, i. 76 ; ii. 655. 



— nutritive cycle, PI. I., i. 466. 



— sculpturing of wall, i, 577. 



— strise of cell-walls, i. 568. 



— swarms of, i. 585. 



— various species, i. 492. 



— zygospores, ii. 492. 



Desmodiumpenduliflorum, leaf, diurnal posi- 

 tions, i. 534. 



Desmoncus, spathe, i. 641. 

 Desmoncus polyanthus, shoot ape.^. i. 676. 

 Deterrent substances, i. 461. 

 Development, highest, views concerning, ii. 

 598. 



— of individual, and phyllogeny, ii. 608. 

 Dew, accumulation on under surface of 



leaves, i. 291. 



— and diurnal positions of leaves, i. 535. 



— carbonic and nitric acid in. i. 370. 



— on steppes and desert.?, i. 235. 

 Dew-cup. See Alchemilla. 

 Dew-leaf. See Drosopkyllum. 

 Dextrin, from starch, i. 465. 



— from sugar, i. 506. 



— osmotic behaviour of, i. 59. 



— percentage composition, i. 454. 

 Diacalpe, protection of sporangia, ii. 13. 

 Diadromous venation, i. 633. 

 Dialypetala, of Endlicher, ii. 604. 

 Diandric, androecium, ii. 736. 

 Diandria, Linnean class, ii. 86. 

 Dianthcecia albimacula, pollinating Silene 



nutans, ii. 155. 

 Dianthus, sestivation, il 210. 



— and ancient crossing, ii. 555. 



— and Campanula, colour-contrast, ii. 193. 



— double-flowered hybrids, iL 576. 



— double flowers, ii. 80. 



— favoured guests, ii. 230. 



— honey protection, ii. 238. 



— hybridization and flower colours, ii. 568. 



— hybrids, ii. 584. 



autogamous propagation, ii. 579. 



— massing of flowers, ii. 186. 



— nectaries, ii. 176. 



— of Mediterranean, waxy bloom of leaves, 



i. 312. 



— pollen -grains, ii. 99, 102. 



— propagation by cuttings, i. 251. 



— substratum, il 498. 



— transition from stamens to petals, ii. 86. 

 Dianthus alpinus and D. superbus, hybrid 



of, ii. 563. 



cultural experiments, ii. 513. 



Dianthus Carthuslanorum, pollen-grains, ii. 



98. 



thermal constants, 1 559. 



Dianthus Caryophyllus. mechanical tissue 



arrangement, i. 730. 



possible cause of doubling, ii. 554- 



scent, ii. 200. 



Dianthus deltoides, cultural experiments, 



sources of error, ii. 513. 

 Dianthus glacialis, lestivatiou, ii. 210. 



Dianthus glacialis, autogamy, ii. 337, 364. 



distribution of sexes, ii. 298. 



Dianthus inodorus (sylvestris), elevation and 



coloration, il 511. 

 Dianthus neglectus. aestivation, Ii. 210. 



autogamy, ii. 364. 



Dianthus CEnipontanus, hybrid, il 563. 

 Dianthus plumarius, possible cause of doub- 

 hng, ii. 554. 



scent, ii. 200. 



Dianthus polymorphus, PI. VI. 



Dianthus prolifer,distributton of sexes, ii. 298. 



duration of flowering, ii. 213. 



Dianthus superbus, scent, il 200. 

 Dianthus viscidus, source of speciflc name, 



ii. 235. 

 Diapensia Lapponica, Arctic, absence of 



hairs, i. 316. 

 Diapensiaceje, ii. 768. 

 Diastase, action on starch, 1 459, 465. 



— distribution in plant, i. 483. 

 Diastole. See Vacuole. 



Diastrophus Scabiosse, bud-galls on Cen- 



taurea, ii. 543. 

 Diatom, description, 1 261 ; ii. 625. 

 Diatom-deposits, ii. 627. 

 Diatom-earth, ii. 614. 

 Diatomaceje, as prey of Aldrovandia, 1 153. 



— cell-membrane of, 1 40. 



— conjugation, 11 55. 



— epiphytic, non-parasitic, 1 77, 160. 



— geographical distribution, ii. 626. 



— movements of, 1 39; ii. 620, 



— preparation of siliceous skeletons, i, 67 



— propagation, &c., il ij26. 



— resistance to cold. 1 542. 



— silicic acid in, 1 67, 70. 



— social groups, 1 585. 



— some attached, some free, 1 40. 



— structure and light, 1 388. 



— swarms and filaments, 1 585, 586. 

 Diatomin, pigment of Diatoms, ii. 625. 

 Diavolezza, Switzerland, soil and air tem- 

 peratures, 1 525. 



Dichogamous flowers, il 307. 310. 

 Dichogamy and hybridization, ii. 314. 



— in Sasifraga rotundifoha, ii. 308. 



— nature of. ii. 134, 309. 

 Dicksonia, aerial roots, 1 753. 



— caudex, ii. 705, 714. 



— sorus and indusium, ii. 708. 

 Dicksonia antarctica, aerial roots, i. 714. 

 Dicllnes irregulares, of de Jussieu, ii. 602. 

 Dicotyledones, il 728. 



— definition of, earlier subdivisions, 1 15. 



— distinctive characters, il 748. 



— of de Jussieu, il 602. 



— sub-classes, il 748. 

 Dicotyledons, ii. 617. 



Dicranodontium aristatum, vegetative pro- 

 pagation, ii. 458. 



Dicranodontium longirostre, habitat, 1 109. 



Dicranum, absorptive felt, 1 86. 



Dicranum congestum, habitat, 1 109. 



Dicranum elongatum, habitat, 1 113. 



Dicranum Sauteri, exclusive habitat, i. 119. 



Dicranum scoparium, habitat, 1 109. 



Dictamnus, stamens as insect platform, ii. 

 225. 



Dictamnus fraxinella, scent, ii. 203. 



Dictydium cemuum, sporangia, ii. 491, 618. 



Dictydium umbilicatum, life-history, 1 572. 



Dictyodromous, venation, 1 630. 



Dictyonema form, of Cora, il 695. 



Dictyophora phalloidea, ii. 691. 



Dictyosphaerium, life-cycle, ii. 636. 



Didymium, 1 573. 



Didymodon ruber, parthenogenesis, ii. 464. 



DierviJla, twisting of intemodes, i. 417. 



Diervilla Canadensis, erect and pendent 

 twigs, 1 417. 



Diervilla rosea, ovules and attraction of pol- 

 len-tubes, ii. 414. 



Diffusion, through membrane and free, L 59. 



Digestion, by Nepenthes pitcher, i. 135. 



— in Aldrovandia, 1 153. 



— of prey, by Diona^a, 1 150. 



