INDEX. 



943 



DaaycIadeiD, characteristics, ii. 647. 

 Dasylirion. habitat, t. 433. 



— leaf, teeth and aiiei. i. 43S. 

 Dasyted, hooey-sucker, iL 179. 



— poUen devourcr. ü. 1(J7. 



Dato Palm. See Phtrnix dacttjUfcra. 

 Date-plum. See Diospi/ros iMus. 

 Datura, opcniog and closing, ii. IIG. 



— scent, i. 202. 



Datura ceratocaula, size of flowers, ii. 1S5. 

 Datum Kiiightii, size of flowers, ii. 186. 

 Uiitim* Metel, time open, ii. 213. 

 Datura Stramonium, fruit protection, ii. 442. 



inequality of leaves and use. i. 422. 



leaf-mosaic, i. 411. 



night TJsitors, ii. 196. 



odour, i. 431. 



opening of flower, ii. 212. 213. 



protection of pollen, iL 113. 



Daucus, peripheral flowers, ii. ISG. 



— umbel, day and niglit positions, L 531. 

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

 protection of stomata from moisture, 



L295. 



ro(,>t, i. 7G0. 



Daughter-cells, i. 578. 



Davallia, protection of sporangia, ii. 13. 



— sonis and indusium, ii. 706. 

 Day-lily. See Hemerocallis Jlava. 

 Deadly Nightshade. SeeAtrajxi Belladonna. 

 Dead Sea, blueness, i. 3S9. 



De CandoUe, L 15. 



table of classification, ii. 603. 



Decay, putrefactive, a necessary condition 



of life, i. 264. 

 Deciduous Cypress. See Taxodium dis- 



tickum. 

 Deciduous leaves, i. 347. 

 change of colour, i. 485. 



— ahnibs, anthocyauin, L 520. 



— stipules, i. 351. 

 Decurrent, leaf, i. 596. 



— leaves, transpiration, L 336. 

 Deeussate leaves, L 398. 



Definitive nucleus, and endosperm forma- 

 tion, ii. 421. 



Defoliation, i. 361. 



Dehiscence of anthers in Grasses, ii. 91, 110. 



Dehiscent dry fruit, ii. 429. 



Deilaphila Euphorbise, victim of Araujia, ii. 

 260. 



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

 classification, ii. 602. 



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



Delphinium, foliage and Ught, L 412. 



— foUicle, Ü. 430. 



— integument of ovule, iL 81. 



— morphological value of ovule, ii. 82. 



— possible cause of doubling. iL 554. 



— preservation of colour in Egyptian graves, 



i. 262. 

 Delphinium Ajacis, effect of mutilation, ii. 



517. 

 Delphinium cashmirianum, antholysis, ii. 



78. 

 Delphinium elatum, antholysis. iL 83- 



re-erection of inflorescence, L 744. 



Delphinium nudicauleand D. cashmirianum, 



colour of flowers and hybrid, iL 567. 

 Delpino, and difference of pollen in hetero- 



styled flowers, ii. 405. 

 Dendrobium, ii. 733. 



— flnibriatura, discbarge of potlinia, ii. 269. 



270. 

 Denizen, application of term, i. 243, 

 Dentaria, peripheral flowers. iL 186. 



— scaly stem. i. 652. 



— waxy coating, ii. 237. 



Dentaria bulbifera, bulbils. iL 460, 461. 



habiUt. ii. 110. 



rhizome and light, i. 481 



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



habitat, ii. 110. 



Dentaria enneapbyllos, habitat, iL 110. 

 Dt-ntate. i. 233. 



D« Plantis Libri. by Cesalpino, ii. 601. 

 Depo«ition of pollen, U. 280. 



Derbesla, zoosiKirangia and zoospores, ii. 



645. 

 Derivatives, of hydro-carbons, i. 454. 

 Dermatogcn, and leaf origin, i. 649. 

 Dermestes, and Dracuuculus vulgaris, iL 



165. 



— and indoloid scents, ii. 207. 

 Dermestes luidulatus, and Dracuuculus 



Creticus, ii. 165. 



Dermoglcea, 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 natans, swimming apparatus, 



i. 669. 



Desmid, division, ii. 655. 



Desmids and specific constitution of proto- 

 plasm, ii. 492. 



— ceU-division I'l. I.. L 576. 581. 



— conjugation, ii. 55. 



— habitat, i. 76 ; ii. 655. 



— nutritive cycle, PL I.. L 466. 



— sculpturing of wall, i. 577. 



— striie of cell-walls, i. 568. 



— swarms of, i. 585. 



— various species, i. 492. 



— zygospores, ii. 492. 



Desmodiuui penduhflorum, leaf, diurnal posi- 

 tions, i. 534. 



Desmoncus. spathe, i. 641. 



Desmoncus polyanthus, shoot apex, L 676. 



Deterrent substances, i. 461.' 



Development, highest, views concerning, ii. 

 598. 



— of individual, and phyllogeny. iL 603. 

 Dew, accumulation on under surface of 



leaves, L 291. 



— and diurnal positions of leaves, i. 535. 



— carbonic and nitric acid in. i. 370. 



— on steppes and deserts, i. 235. 

 Dew-cup. See AlchemiUa. 

 Dew-leaf. See DrosophpUum. 

 Dextrin, from starch, i. 465, 



— from sugar, L 506. 



— osmotic behaviour of, i. 59. 



— percentage composition, i. 454. 

 Diacalpe, protection of sporangia, ii. 13. 

 Diadromous venation, i. 633. 

 Dialypetala, of Endlicher, iL 604. 

 Diandne, andrteciuni. ii. 736. 

 Diandria, Linnean class, ii. 86. 

 DianthfEcia albimacula, pollinating Silene 



nutans, iL 155. 

 Dianthus, H;stivation. iL 210. 



— and ancient crossing, iL 555. 



— and Campanula, colour -contrast. iL 193. 



— double-flowered hybrids, ii. 576. 



— double flowers. iL 80. 



— favoured guests, iL 230. 



— honey protection, ii. 238. 



— hybridization and flower colours, ii. 568. 



— hybriils, iL 584. 



autogamous propagation, ii. 579. 



— massing of flowers, iL 186. 



— nectaries, ii. 176. 



— of Mediterranean, waxy bloom of leaves, 



L 312. 



— pollen-grains, ii. 99, 102. 



— propagation by cuttings, L 251. 



— sulwtratum, iL 498. 



— transition from stamens to petals, iL 86. 

 Dianthus alpinus and D. superbus, hybrid 



of. il. 563. 



cultural ex[>eriment8, Ii. 513. 



Dianthus Carthusianonun, pollen -grains, ii. 



98. 



thermal constants, L 559. 



Dianthus Caryopbyllus, mechanical tissue 



arrangement, i. 730. 



possible cause of doubting, ii. 554. 



scent, ii. 200. 



Dianthus delt^iides, cultural experiments, 



sources of error, iL 513. 

 Dianthus glacialls. «estivatiou, IL 210. 



Dianthus glaeialis, autogamy, ii. 337. 364. 



distribution of sexes, ii. 298. 



Dianthus inwlorus (sylvestriB), devotion and 



coloration, ü. 511. 

 Dianthus ncglectus. testivatiou. iL 210. 



autogamy, iL 364. 



Dianthus (Knipontauus, hybrid. iL 563. 

 Dianthus plunuirius, possible cause of doub* 

 ling, ii. 554. 



scent, ii. 200. 



Dianthus polyniorphus, PL VI. 



Dianthus prolifer.distriljution of sexes, ii. 298. 



duration of flowering, iL 213. 



Dianthus superbus, scent, ii. 200. 



Dianthus viscidus, source of specific name, 



ii. 235. 

 Diapensia Lapponica, Arctic, absence of 



hairs, i. 316. 

 DiapensiacejB, iL 768. 

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



— distribution in plant. L 4S3. 

 Diastole. See Vacuole. 



Diastrophus Scabiosfe, bud-galls on Cen- 



taurea, ii. 543. 

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

 Diatom-deposits, ii. 627. 

 Diatom-earth, ii. 614. 

 Diatomaceaj, as prey of Aldrovandia. i. 153. 



— cell-membrane of, i. 40. 



— conjugation, iL 55. 



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



— geographical distribution, ii. 626. 



— movements of, i. 39 ; ii. 626. 



— preparation of sihceous skeletons, i. 67 



— propagation, &c., ii. 026. 



— resistance to cold. L 542. 



— silicic acid in, i. 67. 70. 



— social groups, L 585. 



— some attached, some free, i. 40. 



— structure and hght, i. 388. 



— swarms and filaments, i. 585, 586. 

 Diatomin, pigment of Diatoms, ii. 625. 

 Diavolezza, Switzerland, soil and air tem- 

 peratures, i. 525. 



Dicbogamous flowers, ii. 307, 310. 

 Dichogamy and hybridization, ii. 314. 



— in Saiifraga rotundifolia, iL 308. 



— nature of, ii. 134, 309. 

 Dicksonia, aerial roots, 1. 753. 



— caudei, ii. 705, 714. 



— sorus and indusium, ii. 708. 

 Dicksonia antarctica, aerial roots, i. 714. 

 Diclines irreguläres, of de Jussieu, ii. 602. 

 Dicotyledones, ii. 728. 



— definition of, earlier subdivisions, i. 15. 



— distinctive characters, li. 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, L 86. 



Dicranum congestum. habitat, i. 109. 



Dicranum elougatum. habitat, i. 113. 



Dicranum Sauteri, exclusive habitat, i. 119, 



Dicranum scoparium, habitat, i. 109. 



Dictamnus, stamens as insect platform, ii. 

 225. 



Dictamnus fraxinella, scent, iL 203. 



Dictyilium cemumn, sporangia, ii. 491, 618. 



Dictydium umbilicatum, life-histor)', i. 572. 



Dictyodromous, venation, i. 630. 



Dictyonema form, of Cora, ii. 695. 



Dictyophora phaltoidea, ii. 691. 



Dictyo«phierium, life-cycle, ii. 636. 



Didymium, i. 573. 



Didymodon niber, parthenogenesis, Ii. 464. 



Diervilla, twisting of interuodcs, i. 417. 



Diervilla Canadensis, erect and pendent 

 twigs, L 417. 



Diervilla rosea, ovules and attraction of pol- 

 len-tubes, iL 414. 



Diffusion, through membrane and free, L 59. 



Digestion, by Nepenthes pitcher, i. 135. 



— in Aldrovandia. L 153. 



— of prey, by Diomua, i. 150. 



