956 



IXDEX. 



Impatieos parviflora, inequality of leaves, 

 and use. i. 422. 



leaf-mosaic, i. 411. 



Impatieos tricornis, cross-f ertilizatioD, u. 306. 



protection of honey, ii. 232. 



Btem, i. 656. 



Imperfect flowers, u. 2M. 



ImprisoomeDt of insects by flowers, ii. 164. 



Incmstmenti type of commuDity, iL 8S9, 



8M. 

 Indehiscent dry fruit, ii. 429. 

 Indian Banyans, i. 75S. 



— Ocean, reddened by Trichodesmium, i. 3S9. 

 Indian Shot. See Canna. 

 India-rubber, latei of Ficus, i. 470. 

 India-rubber Fig. See Ficus elastica. 

 Indigofera, explosive flowers, iL 267. 



— freezing, L 546. 



— leaf, diurnal positions, i. 534. 

 Individual, meaning in Botany, ii. 5. 



— development, and phyUogeny, iL 608. 

 IndoL nature of, ii. 199. 



Indoloid scent, ii. 199, 207. 



Indumenta, of hybrids, characteristics, iL 



5(54. 

 Indumentum, or investment, iL 564. 

 Indiisium, nature of, iL 13. 



— of Fern sorus. ii. 705. 



Infertility, of plants under ctiltivation, IL 



402. 

 Inflorescence, application of term, L &11. 



— detachment, i. 748. 



— nature of, i. 737. 



— sorts of, numerical relations, L 745. 



— sympathetic movement of various parts, 



i. 744. 

 Inflorescences, and nocturnal radiation, L 

 530. 



— of Balanopbora, resemblance to FungL L 



190. 



— periodic bending, L 531 ; ii. 120. 

 Infusoria, derivation of term, i. 21. 



— prey of Utricularia moutana, i. 123. 

 Inga, pollen -chambers, ii. 90. 

 Innovatio, L 5%. 



Innsbruck, floral clock for, ii. 216. 

 Inorganic substances, absorption of, i. 60. 

 Insectivorous plants, and pepsin, L 465. 



habitat in relation to supply of nitrogen, 



i. 158. 



with pitchers or ascidia, L 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 oSsboots, 

 ii. 459. 



— and anther-lids, ii. 129. 



— and colour sense, ii. 195. 



— and mixed pollination, iL 403. 



— and plants, mutual interdependence, L 



255. 



— and pollen-sprinkling flowers, ii. 27L 



— 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, L 742. 



— olfactory organs, ii. 204. 



— parasitic, and stamens, ii. 87. 



— iK)llen-collecting and devouring, ii. 133. 



— probosces and honey, ii. 179. 



— smearing with pollen, ii. 245. 



— structural correlation to flowers, iL 152. 

 Insolation and elevation, L 525. 

 Instinct, examples of operation of, i. 53. 

 Institutiones Rei Herbariao, by Toumefort, 



iLCOL 

 Integument, of Gymnosperm ovule, iL 438. 



— of ovule, L 644 : ii. 72, 81, 84. 



— of seed, in Cuscuta, L 173. 

 Interccllullar spaces, ice in, L 540. 

 Interchange, of materials between root-hairs 



and substratum, L 88. 

 Internode, bairs on, in Stelloria media, L 227. 



— of stem, i. 396, 658. 



Intemodes, twisting of, i. 417. 

 Intine. of poUen-grain, ii. 100. 

 Introrse, of anthers. IL 95. 

 Intussusception, i. 44. 

 Inula, decurrent leaves, L SS'j. 



— hairiness, i. 317. 



— hermapiirodite and pistillate flowers, ii. 



2%. 



— hybridization, ii. 316. 



Inula viscosa, varnish-like coating, L 312. 

 lovertin, enzyme-of yeast, i. 465. 

 Investments, of plants, ii. 564. 

 Involucres, and nocturnal radiation, L 530. 

 Iodine, effect on plants, L 73. 



— in plants, i. 66, 68, 71. 

 Ipecacuanha plant, ii. 764. 

 Ipom^a, poUen-graiu. ii. 100. 

 Ipom%a muricata, prickles, &c, i. 687. 

 Ipomiea purpurea, autogamy, ii. 336. 

 opening of flower, L 212. 



Iriartea, geographical distribution, ii. 740. 

 Iridaceae, autogamy in, iL 372. 



— characteristics, ii. 734. 



— heterostylism, ii. 398. 

 Iridea. equitant leaves, i. 336. 



— hybrids among, ii. 533. 

 Iridescence, of PhyUocladia, L 388. 

 Iris, eitrorse anthers, ii. 95. 



— germination, i. 604. 



— grafting experiments at Innsbruck, ii. 



571. 



— green cells, arrangement, i. 47L 



— humble-bees and pollen, ii. 247. 



— hybridization and flower colours, ii. 56S. 



— nectary, iL 176. 



— leaf twist, L 429. 



— pollen deposition, ii. 280. 



— pollen-grains, ii. 99. 



— protection of pollen from wet. ii. 111. 



— stigma, i. 645 ; iL 729. 



Iris arenaria, opening and closing, ii. 212. 

 Iris Florentiua and I. KochiL ii. 568, 572. 

 Iris Germanica and I. sambucina, colour of 



flowers and hybrid, ii. 503. 



flower, ii. 246. 



wax on leaves, i. 192. 



Iris Kocbii, graft on I. Florentiua. ii. 572. 



Iris odoratissima, scent, ii. 201. 



Iris pallida, wax on leaves, i. 292. 



Iris pumila, variability of floral colour, iL 



569. 



wax on leaves, i. 292. 



Iris sibirica, sheltering of pollen, ii. 109. 

 Iris variegata, PL VI. 

 Iron, i. 73. 83. 25S, 261. 



— in chlorophyU, L 371. 



— oxide of, in dust, i. 81. 



— relation to chlorophyll, L 67. 



— salts, i. 274. 



— storing by Bacteria, ii. 624. 



Iron bydroxide,accumulation through plants, 



i. 261. 

 Iron-ore, accumulation through plants, i. 



261. 

 Irrigation of rain-water, i. 97- 

 Ismene, scent, ii. 201. 

 Isoetacese, 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 Chlorophyceie, iL 628. 



— typical conjugation in Stephanosphsera, 



u. 632. 

 Isopyrum, movements of stamens, ii. 250. 



— nectaries, ii. 179. 

 IsopjTumthalictroldea,leftfandillamination, 



L286. 



protection of pollen, ii. 120. 



Istria, Calluna vulgaris on coast, i. 526. 

 Istria, flora of. i. 306. 



— interior, absence of heaths, i. 307. 



— S[»rtitUn scoparium in, ii. 330. 

 Italian flora, general gra>-ues8 of, ii. 317. 

 Ivy. See Hedera. 



Ivy-leaved Duckweed. See Lemna tritulca. 



Jack-fruit See Artocarpug inUi;rifolia. 

 Jacquin, grafting experiment with Ginkgo, 



iL572. 

 Japanese and artificial crt^sing. iL 555. 



— Maidenhair Tree, See Ginkgo hilobo. 



— Paper Mulberry. See BrousMiutia papy- 



ri/era. 



— Saxifrage. See Stixifraga sarmentosa. 

 Jasminace?e, ii. 771. 



Jasminum, freezing, L 546. 



Jasminum nndiflorum, weaving stem. L 



672. 

 Jasminum officinale, scent, ii. 200. 

 Jatropha, stinging baiis, i. 441. 

 Jew's-ear Fungus. See Auricularia sambu' 



etna. 

 Judas Tree. See Cercis SiW/noitrum. 

 Jugtans. bud-scales, i. ^6. 



— cotyledons, L GOS. 



— fertilization porogamic, ii. 413. 



— fossil, L 636. 



— raite-galls, ii. 529. 



— monoecious, ii. 297. 



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



— pollination, ii. 133. 



— protection of pollen, ii. 119. 



— protogynous, ii. 313. 



Juglans regia. anthocyanin in buds, i. 4S4. 



inflorescences. L 742. 



pollination, L 741. 



seed protection, ii. 446. 



stamen, ii. 87- 



unfolding leaves, L 349. 



vernation, L 350. 



Juliflorae, of Braun. iL 605. 



"Jumping Bean", ii. 844. 



Juncaceje, distinctive cliaracters, ii. 730. 



— from chalk, ii. 613. 

 Jimcus, cleistogamy, iL 392. 



— germination, i. 604. 



— hybrids in, ii. 583. 



— pollination, ii. 133. 



— protogynous, iL 312. 



— switch-plants, i. 330. 



— venation. L 634. 



Juncus alpinus, &c. and galls of Livia Juu- 

 corum, ii. 547. 



bulbils, ii. 451. 



Juncus buionius. deistogamy. U. 39L 



Juncus castaneus, anthocyanin, L 522. 



Juncus diffusus, hybrid of J. effusus x J. 

 glaucus, ii. 5S6. 



Juncus glaucus, mechanical tissue arrange- 

 ment, L 731. 



Juncus Jacquinil, anthocyanin, i. 522. 



pollen tetrads, U. 97. 



Juncus lamprocarpus, habit and habitat, iL 

 502. 



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



Juncus supinus, bulbils, ii. 454. 



habit and habitat, iL 502. 



Juncus trifldus, anthocyanin, i. 522. 



habitat, i. 113. 



Jungermannia, various species, shoots ot 

 L 591. 



Jungermannia polyanthos, structure, i. 590. 



Jungermanniacese, description, iL 698. 



Junghuhn, discovers several Bnlanophoree 

 in Java, views concerning. L 190. 



Juniper-Mistletoe, See Viicum Oxy«dn. 



Juniperus. ii. 725. 



— and Gymnosporangium, iL 6S6. 



— dicecious, ii. 299. 



— egg-cells, ii. 419. 



— embryo development, iL 43S. 



— fertilization, ii. 420. 



— fleshy cone, ii. 440. 



— mutilation by ruminants, ii. 515. 



— pollen-sacs, it 89. 



— pollen storing and dispersion, ii. 146. 



— protection of omles, ii 72. 



— protection of pollen, ii. 117. 



— specific value of leaf anatomy, iL 565- 



