INDEX. 



943 



Dasyoladese, characteristics, ii. 647. 

 Dasylirion, habitat, i. 438. 



— leaf, teeth and apex, i. 438. 

 Dasytes, honey-sucker, ii. 179. 



— pollen devourer, ii. 167. 



Date Palm. See PJicmix dactylifera. 

 Date-plum. See Diospyros Lotus. 

 Datura, opening and closing, ii, 116. 



— scent, i. 202. 



Datura ceratocaula, size of flowers, ii. 185. 

 Datura Knightii, size of flowers, ii. 186. 

 Datura Metel, time open, ii. 213. 

 Datura Stramonium, fruit protection, ii. 442. 



inequality of leaves and use, i. 422. 



leaf-mosaic, i. 411. 



night visitors, ii. 196. 



odour, i. 431. 



opening of flower, ii. 212, 213. 



protection of pollen, ii. 113. 



Dauous, peripheral flowers, ii. 186. 



— umhel, day and night positions, i. 531. 

 Daucus Carota, downward pull of roots, i. 767. 

 protection of stomata from moisture, 



i. 295. 



root, i. 760. 



Daughter-cells, i. 578. 



DavaUia, protection of sporangia, ii. 13. 



— sorus and indusium, ii. 706. 

 Day-lily. See Semerocallis Jtava. 

 Deadly Nightshade. See Atropa Belladonna. 

 Dead Sea, blueness, i. 389. 



De CandoUe, i. 15. 



table of classification, ii. 603. 



Decayi putrefactive, a necessary condition 



of lUe, i. 264. 

 Deciduous Cypress. See Taxodium dis- 



tichum. 

 Deciduous leaves, i. 347. 

 change of colour, 1. 485. 



— shrubs, anthocyanin, i. 520. 



— stipules, i. 351. 

 Decurrent, leaf, i. 596. 



— leaves, transpiration, i. 336. 

 Decussate leaves, i. 398. 



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 Euphorbia, victim of Araujia, ii. 

 260. 



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

 classification, ii. 602. 



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



Delphinium, foliage and light, i. 412. 



— foUicle, ii. 430. 



— integument of ovide, 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. caahmirianum, 



colour of flowers and hybrid, ii. 567. 

 Delpino, and difference of pollen in hetero- 



styled flowers, ii. 405. 

 Dendrobium, ii. 738. 



— fimbriatura, discharge of pollinia, ii. 269, 



270. 

 Denizen, application of term, i. 243. 

 Dentaria, peripheral flowers, ii. 186. 



— scaly stem, i. 652. 



— waxy coating, ii. 237. 



Dentaria bulbifera, bulbils, ii. 460, 461. 



habitat, ii. 110. 



rhizome and light, i. 484. 



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



habitat, ii. 110. 



Dentaria enneaphyllos, habitat, ii. 110. 

 Dentate, i. 233. 



De Plantis Libri, lay Cesalpino, ii. 601. 

 Deposition of pollen, ii. 280. 



Derbesia, zoosporangia and zoospores, ii. 



645. 

 Derivatives, of hydro-carbons, i. 454. 

 Dermatogen, and leaf origin, i. 649. 

 Dermestes, and Dracuuculus vulgaris, ii. 



165. 



— and indoloid scents, ii. 207. 

 Dermestes undulatus, and Dracuuculus 



Creticus, ii. 165. 



Dermogloea, ii. 621. 



De Saussure, discovers red-snow, i, 38. 



Deserts, annual and perennial plants in, i. 

 556. 



Desiccation, protection from, by salt incrusta- 

 tions, i. 236. 



— protection of fruits from, ii. 449. 

 Desmanthus uataus, swimming apparatus, 



i. 669. 



Desmid, division, ii. 655. 



Desmids and specific constitution of proto- 

 plasm, ii. 492. 



— ceU-division, PI. I., i. 576, 581. 



— conjugation, ii. 55. 



— habitat, i. 76 ; ii. 655. 



— nutritive cycle, PI. I., i. 466. 



— sculpturing of wall, i. 577. 



— strisQ of cell-walls, i. 568, 



— swarms of, i. 585. 



— various species, i. 492. 



— zygospores, ii. 492. 



Desmodium pendulifiorum, leaf, diurnal posi- 

 tions, i. 534. 



Desmoncus, spathe, i. 641. 



Desmoncus polyanthus, shoot apex, 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 deserts, i. 235. 

 Dew-cup. See A Ichemilla. 

 Dew-leaf. See JDrosophyllum. 

 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. 

 Diandrffi, androecium, ii. 736. 

 Diandria, Linnean class, ii. 86. 

 Dianthoecia albimacula, pollinating Silene 



nutans, ii. 155. 

 Dianthus, sestivation, ii. 210. 



— and ancient crossing, ii. 555. 



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



— double-flowered hybrids, ii. 576. 



— dotible 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, ii. 498. 



— transition from stamens to petals, ii. 86. 

 Dianthus alpinus and D. superbus, hybrid 



of, ii. 563. 



cultural experiments, ii. 513. 



Dianthus Carthusianorum, pollen-grains, ii. 



98. 



thermal constants, i. 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, aestivation, ii. 210. 



Dianthus glacialis, autogamy, ii. 337, 364. 



distribution of sexes, ii. 298. 



Dianthus inodorus (sylvestris), elevation and 



coloration, ii. 511. 

 Dianthus neglectus, xstivation, ii. 210. 



autogamy, ii. 364. 



Dianthus Gilnipontanus, hybrid, Ii. 563. 

 Dianthus plumarius, possible cause of doub- 

 ling, ii. 554. 



scent, ii. 200. 



Dianthus polymorphus, PI. VI. 



Dianthus prolifer, distribution of sexes, ii. 298. 



duration of flowering, ii. 213. 



Dianthus superbus, scent, ii. 200. 

 Dianthus viscidus, source of specific name, 



ii. 235. 

 Diapensia Lapponica, Arctic, absence of 



hairs, i. 316. 

 Diapensiacese, ii. 768. 

 Diastase, action on starch, i. 459, 465. 



— distribution in plant, i. 483. 

 Diastole. See Vacuole. 



Diastrophus Scabiosse, bud-galls on Cen- 



taurea, ii. 543. 

 Diatom, description, i. 261 ; ii. 625. 

 Diatom-deposits, ii. 627. 

 Diatom-earth, ii. 614. 

 Diatomace£6, as prey of Aldrovandia, i. 153. 



— cell-membrane of, i. 40. 



— conjugation, ii. 55. 



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



— geographical distribution, ii. 626. 



— movements of, i. 39 ; ii. 626. 



— preparation of siUceous skeletons, i. 67 



— propagation, &c., ii. 626. 



— resistance to cold, i. 542. 



— silicic acid in, i. 67, 70. 



— social groups, i. 585. 



— some attached, some free, i. 40. 



— structure and Ught, i. 388. 



— swarms and filaments, i. 585, 586. 

 Diatomin, pigment of Diatoms, ii. 625. 

 Diavolezza, Switzerland, sod and air tem- 

 peratures, i. 525. 



Dichogamous flowers, ii. 307, 310. 

 Dichogamy and hybridization, ii. 314. 



— in Saxifraga rotundifolia, ii. 308. 



— nature of, ii. 134, 309. 

 Dicksonia, aerial roots, i. 753. 



— caudex, ii. 705, 714. 



— sorus and indusium, ii. 708. 

 Dicksonia antarctica, aerial roots, i. 714. 

 Diclines irregulares, of de Jussieu, ii. 602. 

 Dicotyledones, ii. 728. 



— definition of, earlier subdivisions, i. 15. 



— distinctive characters, ii. 748. 



— of de Jussieu, ii. 602. 



— sub-classes, ii. 748. 

 Dicotyledons, ii. 617. 



Dicranodontium aristatum, vegetative pro- 

 pagation, ii. 458. 



Dicranodontium longirostre, habitat, i. 109. 



Dicranum, absorptive felt, i. 86. 



Dicranum congestum, habitat, i. 109. 



Dicranum elongatum, habitat, i. 113. 



Dicranum Sauteri, exclusive habitat, i. 119. 



Dicranum scoparium, habitat, i. 109. 



Dictamnus, stamens as insect platform, ii. 

 225. 



Dictamnus fraxinella, scent, ii. 203. 



Dictydium cemuum, sporangia, ii. 491, 618. 



Dictydium umbilicatum, life-history, i. 572. 



Dictyodromous, venation, i. 630. 



Dictyonema form, of Cora, ii. 695. 



Dictyophora phalloidea, ii. 691. 



Dictyosphserium, life-cycle, ii. 636. 



Didymium, i. 573. 



Didymodon ruber, parthenogenesis, ii. 464. 



Diervilla, twisting of intemodes, i. 417. 



Diervilla Canadensis, erect and pendent 

 twigs, i. 417. 



Diervilla rosea, ovides and attraction of pol- 

 len-tubes, ii. 414. 



Diffusion, through membrane and free, L 59. 



Digestion, by Nepenthes pitcher, i. 135. 



— in Aldrovandia, i. 153. 



— of prey, by Dionsea, i. 150. 



