956 



INDEX. 



Impatiens parviflora, inequality of leaves, 

 and use, i. 422. 



leaf-mosaic, i. 411. 



Impatiens tricornis, cross-fertilization, ii. 306. 



protection of honey, ii. 232. 



stem, i. 656. 



Imperfect flowers, ii. 294. 



Imprisonment of insects by flowers, ii. 164. 



Incrustment, 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 Ficus, i. 470. 

 India-rubber Fig. See Ficus elastica. 

 Indigofera, explosive flowers, ii. 267. 



— freezing, i. 546. 



— leaf, diurnal positions, i. 534. 

 Individual, meaning in Botany, ii. 5. 



— development, and phyllogeuy, ii. 608. 

 Indol, nature of, ii. 199. 



Indoloid scent, ii. 199, 207. 



Indumenta, of hybrids, characteristics, ii. 



564. 

 Indumentum, 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 XJtricularia montana, i. 123. 

 Inga, pollen-chambers, ii. 90. 

 Innovatio, i. 596. 



Innsbruck, floral clock for, ii. 216. 

 Inorganic substances, 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 ofEshoots, 

 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 poUen, ii. 245. 



— structural correlation to flowers, ii. 152. 

 Insolation and elevation, i. 525. 

 Instinct, examples of operation of, i. 53. 

 Institutiones Kei Herbarise, by Tournefort, 



ii. 601. 

 Integument, of Gymnosperm ovule, u. 438. 



— of ovule, i. 644 ; ii. 72, 81, 84. 



— of seed, in Cuscuta, i. 173. 

 Intercellullar spaces, ice in, i. 540. 

 Interchange, of materials between root-hairs 



and substratum, i. 88. 

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



— of stem, i. 396, 658. 



Internodes, twisting of, i. 417. 

 Intine, of pollen-grain, ii. 100. 

 Introrse, of anthers, ii. 95. 

 Intussusception, i. 44. 

 Iniüa, decurrent leaves, i. 336. 



— hairiness, i. 317. 



— hermaphrodite and pistillate flowers, ii. 



296. 



— hybridization, ii. 316. 



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

 Invertin, enzyme of yeast, i. 465. 

 Investments, of plants, ii. 564. 

 Involucres, and nocturnal radiation, i. 530. 

 Iodine, efliect on plants, i. 73. 



— in plants, i. 66, 68, 71. 

 Ipecacuanha jjlant, ii. 764. 

 Ipomaia, pollen-grain, ii. 100. 

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

 Iponifea purpurea, autogamy, ii. 336. 

 opening of flower, i. 212. 



Iriartea, geographical distriliution, Ü. 740. 

 Iridacefe, 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 Iimsbruck, 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, ii. 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 pallida, wax on leaves, i. 292. 



Iris puraila, variability of floral colour, ii. 



569. 



wax on leaves, i. 292. 



Iris sibirica, sheltering of pollen, ii. 109. 

 Iris variegata, PI. VI. 

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



— in chlorophyll, i. 371. 



— oxide of, in dust, i. 81. 



— relation to chlorophyll, i. 67. 



— salts, i. 274. 



— storing by Bacteria, ii. 624. 



Iron hydroxide,accuniulation through plants, 



i. 261. 

 Iron-ore, accumulation through plants, i. 



261. 

 Irrigation of rain-water, i. 97. 

 Ismene, scent, ii. 201. 

 Isoetaceie, descriptive details, ii. 716. 

 Isoetes, cambium-like zone, ii. 717. 

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

 Isogametes, of Chlorochytrium, ii. 637. 



— of Gonium, ii. 631. 

 Isoloma, hybrids, ii. 575. 

 Isoplanogametes, of Chlorophycese, ii. 628. 



— typical conjugation in Stephanosphsera, 



ii. 632. 

 Isopyrum, movements of stamens, ii. 250. 



— nectaries, ii. 179. 



Isopyrum thaliotroides.leafandUlumination, 

 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 scopariiim in, ii. 330. 

 Italian flora, general grayness of, ii. 317. 

 Ivy. See Hedera. 



Ivy-leaved Duckweed. See Lemna trisulca. 



Jack-fruit. See Artocarpns inteorifolia. 

 Jacquin, grafting experiment with Ginkgo, 



ii. 572. 

 Japanese and artificial crossing, ii. 555. 



— Maidenhair Tree. See Ginkgo biloba. 



— Paper Mulberry. See Bromsonetia papy- 



ri/era. 



— Saxifrage. See Saxifraya sarmentosa. 

 Jasminacese, ii. 771. 



Jasminum, freezing, i. 546. 



Jasminum nudiflorum, weaving stem, i. 

 672. 



Jasminum officinale, scent, ii. 200. 



Jatropha, stinging hairs, i. 441. 



Jew's-ear Fungus. See Auricularia sambu- 

 cina. 



Judas Tree. See Cercis 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. 



— pollination, ii. 133. 



— protection of poDen, 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. 



Julifloras, of Braim, ii. 605. 



"Jumping Bean", ii. 844. 



Juncacea;, distinctive characters, ii. 730. 



— from chalk, ii. 613. 

 Juncus, cleistogamy, 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 Livia Jun- 

 corura, ii. 547. 



bulbils, ii. 454. 



Juncus bvifonius, cleistogamy, ii. 394. 



Juncus castaneus, anthocyanin, i. 522. 



Juncus diffusus, hybrid of J. effusus x J. 

 glaucus, ii. 586. 



Juncus glaucus, mechanical tissue arrange- 

 ment, i. 731. 



Juncus 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. 



Jungernianuia, various species, shoots of, 

 i. 591. 



Jungerniannia polyanthos, structure, i. 590. 



Jungermanniace«, description, ii. 698. 



Juughuhn, cUscovers several Bnlanophores 

 in Java, views concerning, i. 190. 



Juniper-Mistletoe. See Viscum Oxyeedri. 



Juniperus, ii. 725. 



— and Gymnosporangium, 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. 565. 



