956 



INDEX. 



Impatiens parviflora, inequality of leaves, 

 and use, i. 422. 



leaf -mosaic, i. 411. . 



Impatiens tricornis, cross-fertilization, 11. JW>. 



protection of honey, ii. 232. 



stem, i. 656. 



Imperfect flowers, ii. 294. 



Imprisonment of insects by flowers, u. Ib4. 



lucrustuient, type of community, U. 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 phyllogeny, 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, L 

 530. 



of Balanophora, resemblance to Fungi, i. 



190. 



periodic bending, i. 531 ; ii. 120. 

 Infusoria, derivation of term, i. 21. 



prey of Utricularia montana, i. 123. 

 Inga, pollen-chambers, ii. 90. 

 Innovatio, i. 5%. 



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 offshoots 

 ii. 459. 



- and anther-lids, ii. 129. 



and colour sense, ii. 195. 



and mixed pollination, it 403. 



and plants, mutual interdependence, L 



255. 



and pollen-sprinkling flowers, ii. 271. 



and pollination, L 461; ii. 95. 



and scents, ii. 207. 



arrangement* for reception, ii. 226, 227 



as hosts of parasitic Fungi, i. 168. 



- imprisonment by flowers, it 163, 161 



- 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 Herbarise, by Touruefort 



ii.601. 

 Integument, of Gymnosperm ovule ii. 438 



- of ovule, i. 644 ; ii. 72, 81, 81 



- of eeed, in Cuscuta, i. 173. 

 Intercellullar spaces, ice in, i. 540. 

 Interchange, of materials between root-hai 



and substratum, i. 88. 

 [nternode, hairs on, in Stellaria media, i. 227 



nternodes, twisting of, i. 417. 

 ntine, of pollen-grain, ii. 100. 

 ntrorse, of anthers, ii. 95. 

 ntussusception, i. 44. 

 nula, decurrent leaves, i. 336. 



hairiness, i. 317. 



hermaphrodite and pistillate flowers, u. 

 296. 



hybridization, ii. 316. 



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

 nvertin, enzyme of yeast, i. 465. 

 nvestments, of plants, ii. 564. 

 nvolucres, and nocturnal radiation, i. 530. 

 odine, effect on plants, i. 73. 



in plants, i. 66, 68, 71. 

 pecacuanba plant, ii. 764. 

 pomaea, pollen-grain, ii. 100. 



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

 pomsea purpurea, autogamy, ii. 336. 



opening of flower, i. 212. 



riartea, geographical distribution, ii. 740. 

 ridacese, autogamy in, ii. 372. 



characteristics, ii. 734 



heterostylism, ii. 398. 

 ridese, equitant leaves, i. 336. 



hybrids among, ii. 583. 

 ridescence, of Phyllocladia, i. 388. 

 ris, 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. 



pollen-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. 



jis Germanica and I. sambucina, colour of 

 flowers and hybrid, ii. 568. 



flower, ii. 246. 



wax on leaves, i. 192. 



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



iris odoratisfeima, scent, ii. 201. 



[ris pallida, wax on leaves, i. 292. 

 Iris pumila, variability of floral colour, ii. 

 569. 



wax on leaves, i. 292. 



Iris sibirica, sheltering of pollen from wet, 

 ii. 109. 



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, accumulation through plants, 



i. 261. 

 Iron-ore, accumulation through plants, i. 



261. 



Irrigation of rain-water, i. 97. 

 Ismene, scent, ii. 201. 

 Isoetacea, 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 Chlorophyceae, ii. 628. 



typical conjugation in Stephanospheera 



ii. 632. 

 Isopyrum, movements of stamens, ii. 250. 



nectaries, ii. 179. 



Isopyrum thalictroides.leaf andUlumination 



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 Hedera. 



Ivy-leaved Duckweed. See Lemna trisulca. 



J. 



ack-fruit. See Artocarpus integrifolia. 

 Jacquin, grafting experiment with Ginkgo, 



ii. 572. 

 Tapanese and artificial crossing, ii. 555. 



Maidenhair Tree. See Ginkgo biloba. 



Paper Mulberry. See Broussonetia papy- 



rifera. 



Saxifrage. See Saxifraga sarmentosa. 

 Jasminaceee, ii. 771. 



Jasminum, freezing, i. 546. 



Jasminum nudiflorum, weaving stem, i. 

 672. 



Jasminum officinale, scent, ii. 200. 



Jatropha, stinging hairs, i. 441. 



JewVear 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. 



mite-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. 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. 

 Juncaceze, 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 Li via Jun- 

 corum, ii. 547. 



bulbils, ii. 454. 



Juncus bufonius, 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 laruprocarpus, habit and habitat, ii. 

 502. 



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



Juncus supinus, bulbils, ii. 454. 



habit and habitat, ii. 502. 



Juncus trifidus, anthocyanin, i. 522. 



habitat, i. 113. 



Jungermannia, various species, shoots of, 

 i. 591. 



Jungermannia polyanthos, structure, i. 590. 



Jungennanniaceaj, description, ii. 698. 



Junghuhn, discovers several Balanophores 

 in Java, views concerning, i. 190. 



Juniper-Mistletoe. See Viscum Oxycedri. 



Juniperus, ii. 725. 



and Gymnosporangium, ii. 686. 

 - direcious, 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. 



