956 



INDEX. 



Impatiens parviflora, inequality of leaves, 

 and use, i. 422. 



leaf -mosaic, i. 411. 



Impatiens tricomis, croBS-f ertilization, ii. 306. 



protection of honey, ii. 232. 



stem, i. 656. 



Imperfect flowers, ii. 294. 



Imprisonment of insects by flowers, ii. 164. 



Inorustment, type of community, ii. 889, 



894. 

 Indehiscent dry fruit, ii. 429. 

 Indian Banyans, i. 758. 

 ~ Ocean, reddened by Trichodesmium, i. 389. 

 Indian Shot. See Canna. 

 India-rubber, latex of Mcus, i. 470. 

 India-rubber Fig. See Ficus elastica. 

 Indigofera, explosive flowers, ii. 267. 



— freezing, i. 546. 



— leaf, diurnal positions, !. 534. 

 Individual, meaning in Botany, ii. 5. 



— development, and phyllogeny, ii. 608. 

 Indol, nature of, ii. 199. 



Indoloid scent, ii. 199, 207. 



Indumenta, of hybrids, characteristics, IL 



564. 

 Indimnentum, or investment, ii. 564. 

 Indusium, nature of, ii. 13. 



— of Fern sorus, ii. 705. 



Infertility, of plants under cultivation, ii. 



402. 

 Inflorescence, application of term, i. 641. 



— detachment, i. 748. 



— nature of, i. 737. 



— sorts of, numerical relations, i. 745. 



— sympathetic movement of various parts, 



i. 744. 

 Inflorescences, and nocturnal radiation, i. 

 530. 



— of Balanophora, resemblance to Fungi, i. 



190. 



— periodic bending, i, 531 ; ii. 120. 

 Infusoria, derivation of term, i. 21. 



— prey of ITtricularia montana, i. 123. 

 Inga, poUen-chambers, il. 90. 

 Innovatio, i. 596. 



Innsbruck, floral clock for, ii. 216. 

 Inorganic aubsbances, absorption of, i. 60. 

 Insectivorous plants, and pepsin, i. 465. 



habitat in relation to supply of nitrogen, 



i. 158. 



with pitchers or ascidia, i. 123. 



Insect-galls, ii. 527 et seq. 

 Insect-visitors of Asclepiads, ii. 258. 

 Insect visits and duration of flowers, ii. 214. 

 Insects, absence of, and vegetative ofishoots, 

 ii. 459. 



— and anther-lids, ii. 129. 



— and colour sense, ii. 195. 



— and mixed pollination, ii. 403. 



— and plants, mutual interdependence, i. 



255. 



— and pollen-sprinkling flowers, ii. 271. 



— and pollination, i. 461 ; ii. 95. 



— and scents, ii. 207. 



— arrangements for reception, ii. 226, 227. 



— as hosts of parasitic Fungi, i. 168. 



— imprisonment by flowers, ii. 163, 164. 



— in Alps, ii. 400. -^ 



— method of visiting flowers, i. 742. 



— olfactory organs, ii. 204. 



— parasitic, and stamens, ii. 87. 



— pollen-collecting and devouring, ii. 133. 



— probosces and honey, ii. 179. 



— smearing with pollen, ii. 245. 



— structural correlation to flowers, ii. 152. 

 Insolation and elevation, i. 525. 

 Instinct, examples of operation of, i. 53. 

 Institutiones Rei Herbarije, by Toumefort, 



ii. 601. 

 Integument, of Gymnosperm ovule, ii. 438. 



— of ovule, i. 644 ; ii. 72, 81, 84. 



— of seed, in Ouscuta, i. 173. 

 Intercellullar spaces, ice in, i. 540. 

 Interchange, of materials between root-hairs 



and substratum, i. SS. 

 Internode, hairs on, in Stellaria media, i. 227. 



— of stem, i. 396, 658. 



Internodes, twisting of, 1. 417. 

 Intine, of pollen-grain, ii. 100. 

 Introrse, of anthers, ii. 95. 

 Intussusception, i. 44. 

 Inula, decurrent leaves, i. 336. 



— hairiness, i. 317. 



— hermaphrodite and pistUlate flowers, ii. 



296. 



— hybridization, ii. 316. 



Inida viscosa, varnish-like coating, i. 312. 

 Invertin, enzyme of yeast, i. 465. 

 Investments, of plants, ii. 564. 

 Involucres, and nocturnal radiation, i. 530. 

 Iodine, effect on plants, i. 73. 



— in plants, i. 66, 68, 71. 

 Ipecacuanha plant, ii. 764. 

 Ipomsea, pollen-grain, ii. 100. 

 Ipomsea muricata, prickles, &e., i. 687. 

 Ipomsea purpurea, autogamy, ii. 336. 

 opening of flower, i. 212. 



Iriartea, geographical distribution, ii. 740. 

 Iridacese, autogamy in, ii. 372. 



— characteristics, ii. 734. 



— heterostylism, ii. 398. 

 Iridese, equitant leaves, i. 336. 



— hybrids among, ii. 583. 

 Iridescence, of Phyllocladia, i. 388. 

 Iris, extrorse anthers, ii. 95. 



— germination, i. 604. 



— grafting experiments at Innsbruck, ii. 



571. 



— green cells, arrangement, i. 471. 



— humble-bees and pollen, ii. 247. 



— hybridization and flower colours, ii. 568. 



— nectary, ii. 176. 



— leaf twist, i. 429. 



— pollen deposition, ii. 280. 



— poUen-grains, ii. 99. 



— protection of pollen from wet, ii. 111. 



— stigma, i. 645 ; ii. 729. 



Iris arenaria, opening and closing, ii. 212. 

 Iris Florentina and I. Kochii, il. 568, 572. 

 Iris Germanica and I. sambucina, colour of 



flowers and hybrid, ii. 568. 



flower, ii. 246. 



wax on leaves, i. 192. 



Iris Kochii, graft on I. Florentina, ii. 572. 



Iris odoratissima, scent, ii. 201. 



Iris paUida, wax on leaves, i. 292. 



Iris pumila, variability of floral colour, ii. 



569. 



wax on leaves, i. 292. 



Iris sibirica, sheltering of poUen, ii. 109. 

 Iris variegata, PI. VI. 

 Iron, i. 73, 83, 258, 261. 



— in chlorophyll, L 371. 



— oxide of, in dust, i. 81. 



— relation to chlorophyll, i. 67. 



— salts, i. 274. 



— storing by Bacteria, ii. 624. 



Iron hydroxide, accumulation through plants, 



i. 261. 

 Iron-ore, accumulation through plants, i. 



261. 

 Irrigation of rain-water, i. 97. 

 I'smene, scent, ii. 201. 

 Isoetaceis, descriptive details, ii. 716. 

 IsoStes, cambium-like zone, ii. 717. 

 Isoetes lacustris, whole plant, &c., ii. 716. 

 Isogametes, of Chlorochytrium, ii. 637. 



— of Gonium, ii. 631. 

 Isololna, hybrids, ii. 575. 

 Isopl^nogametes, of ChlorophyoesB, ii. 628. 



— typical conjugation in Stephanosphssra, 



ii. 632. 

 Isopyrum, movements of stamens, ii. 250. 



— nectaries, ii. 179. 



Isopyrum thalictroideB,leafandillumination, 

 i. 286. 



protection of pollen, ii. 120. 



Istria, Calluna vulgaris on coast, i. 526. 

 Istria, flora of, i. 306. 



— interior, absence of heaths, i. 307. 



— Spartium scoparium in, ii. 330. 

 Italian flora, general grayness of, ii. 317. 

 Ivy. See Sedera. 



Ivy-leaved Duckweed. See Lemna trimlca. 



Jack-fruit. See Artocarpus im.tegrifoUa. 

 Jacquin, grafting experiment with Ginkgo, 



u. 572. 

 Japanese and artificial crossing, ii. 555. 



— Maidenhair Tree. See Ginkgo hiloha. 



— Paper Mulberry. See Brou88one.Ua papy- 



rij'era. 



— Saxifrage. See Saxifraga aa/rmmtosa. 

 Jasminacese, ii. 771. 



Jasminum, freezing, i. 546. 



Jasminum nudifiorumi, weaving stem, L 



672. 

 Jasminum ofS.cinale, scent, ii. 200. 

 Jatropha, stinging hairs, i. 441. 

 Jew's-ear Fungus. See Auricvlaria aannbii- 



cina. 

 Judas Tree. See Cer(as Siliquastrum. 

 Juglans, bud-scales, i. 626. 



— cotyledons, i. 608. 



— fertilization porogamic, ii. 413. 



— fossil, i. 636. 



— raite-galls, ii. 529. 

 — monoecious, ii. 297. 



— pollen-storing and dispersion, ii. 94, 148. 



— poUination, ii. 133. 



— protection of pollen, Ii. 119. 



— protogynous, ii. 313. 



Juglans regia, anthocyanin in buds, i. 484. 



inflorescences, i. 742. 



pollination, i. 741. 



seed protection, ii. 446. 



stamen, ii. 87. 



unfolding leaves, i. 349. 



vernation, i. 350. 



Juliflorse, of Braun, ii. 605. 



" Jumping Bean ", ii. 844. 



Juncaceee, distinctive characters, ii. 730. 



— from chalk, ii. 613. 

 Juncus, cleistogaray, ii. 392. 



— germination, i. 604. 



— hybrids in, ii. 583. 



— pollination, ii. 133. 



— protogynous, ii. 312. 



— switch-plants, i. 330. 



— venation, i. 634. 



Juncus alpinus, &c., and galls of lavia Jun- 

 corum, ii. 547. 



bulbils, ii. 454. 



Juncus bufonius, cleistogamy, ii. 394. 



Juncus castaneus, anthocyanin, i. 522. 



Juncus difiusus, hybrid of J. effusus x J. 

 glaucus, ii. 586. 



Juncus glaucus, mechanical tissue arrange- 

 ment, i. 731. 



Jimcus Jacquinii, anthocyanin, i. 522. 



pollen tetrads, ii. 97. 



Juncus lamprocarpus, habit and habitat, ii. 

 502. 



Juncus monanthos, &c., favourite soil, ii. 496. 



Juncus supinus, bulbils, ii. 454. 



habit and habitat, ii. 502. 



Juncus tritidus, anthocyanin, i. 522. 



habitat, i. 113. 



Jungermaunia, various species, shoots of, 

 i. 591. 



Jungermannia polyanthos, structure, i. 590. 



Jungermanniaceaj, description, ii. 698. 



Jimghuhn, discovers several Balanophores 

 in Java, views concerning, i. 190. 



Juniper-Mistletoe. See Viscum Oasycedri. 



Juniperus, ii. 725. 



— and Gymoosporangium, ii. 686. 



— dioecious, ii. 299. 



— egg-cells, ii. 419. 



— embryo development, ii. 438. 



— fertilization, ii. 420. 



— fleshy cone, ii. 440. 



— mutilation by ruminants, ii. 515. 



— pollen-sacs, ii. 89. 



— pollen storing and dispersion, ii. 146. 



— protection of ovules, ii. 72. 



— protection of pollen, ii. 117. 



— specific value of leaf anatomy, ii, 665, 



