INDEX. 



951 



Gentiana Chisii, favourite soil, ii. 496. 



flowers and autogamy, ii. 388. 



Geutiaua cruciata, protandrous, ii. 311. 



Geutiaua germanica, grooving of stem, i. 95. 



heterostyly, ii. 302. 



• protogynous, ii. 311. 



suction cells of roots, i. 115. 



Gentiana glacialis, coroUa and autogamy, ii. 

 366. 



■ guides to honey, ii. 248. 



Iiabitat, i. 112. 



protogynous, ii. 311. 



weatlier and autogamy, ii. 391. 



Gentiana lutea, and fleld-mioe, i. 763. 



and liybridizatiou, ii. 585. 



Gentiana nana, anther, ii. 90. 



habitat, i. 112. 



shortest stem, i. 660. 



Gentiana nivalis, cross-fertilization, ii. 301. 



opening and closing, ii. 116, 220. 



Gentiana Pannonioa, and field-mice, i. 763. 



insect reception, ii. 229. 



protandrous, ii. 311. 



Gentiana PneumonantUe, abode for beetles, 

 ii. 163. 



insect reception, ii. 229. 



protandrous, ii. 311. 



Gentiana prostrata, habitat, i. 112. 



protandrous, ii. 311. 



weather and autogapay, ii. 391. 



Gentiana punctata, and fleld-mioe, i. 763. 



insect reception, ii. 229. 



protandrous, ii. 311. 



Gentiana purpurea and hybridization, ii. 585. 



Gentiana Rhsetica, gall-mites and flower- 

 metamorphosis, ii. 548. 



grooving of stem, i. 95. 



heterostyly, ii. 302. 



opening of flowers, ii. 219. 



pollen-grains, ii. 98. 



protogynous, ii. 311. 



suction cells of roots, i. 115. 



Gentiana verna, blue flower, ii. 198. 



effect of mutilation, ii. 517. 



protogynous, ii. 311. 



scentless, ii. 209. 



Gentianaceaä, ii. 771. 



— autogamy in, ii. 366. 



— dichogamy in, ii. 311. 



— grooving of stem, i. 95. 



— heterostylism in, ii. 302. 



— hybrids among, ii. 585. 



Gentianese, Ashes, &c., habitat in relation to 

 water-collecting habit, i. 240. 



— water-collecting arrangement of leaves, i. 



156, 231. 

 Geoglossum, i. 112; ii. 683. 

 Geographical areas, enumerated, ii. 898. 



— position atid blossoming, i. 565. 

 Geometrical arrangement, of cells and leaves, 



i. 405. 

 Geotropism, positive, i. 88. 



neutralized in roots of certain plants, 



i. 90. 

 Geraniaceje, autogamy in, ii. 335. 



— nectaries, ii. 176. 



Geranium, alternative cross- and self-polli- 

 nation, ii. 336. 



— venation, i. 632. 



Geranium argenteum, cross-fertilization, ii. 



306. 



&c., dichogamy, ii. 311. 



Geranium columbinum,&c., autogamy, ii. 336. 



&c., protogynous, ii. 311. 



Geranium divaricatum, weaving habit, i. 674. 

 Geranium lucidum, autogamy, ii. 336. 



sexual conditions, ii. 296. 



Geranium nodosum, weaving habit, i. 674. 

 Geranium palustre, seed-dispersal, ii. 835. 



weaving undershrub, i. 673. 



Geranium pratense, cross-fertilization, ii. 306. 



duration of flowering, ii. 213. 



Geranium pusillum, autogamy, ii. 332. 

 Geranium Pyrenaicum, leaf-mosaic, i. 410. 

 Geranium Robertianum, guides to honey, ii. 



249. 

 pollen-grains, ii. 97. 



Geranium Robertianum, protection of pollen, 



ii. 120. 

 Geranium sanguineum, scroll-gall, ii. 530. 

 Geranium sylvaticum, cross-fertilization, ii. 

 306. 



effect of mutilation, ii. 517. 



protandrous flowers, ii. 307. 



Germander. See Teucrium. 

 German. See Ovary. 

 Germinal vesicle. See Ooplast. 

 Germination, Githago, &c., i. 610. 



— modes of, i. 602 et seq. 



— of pollen-grain, ii. 407. 



— thermal constants, correction, i. 558, 561. 

 Gesneracese, ii. 575, 771. 



— buds on leaf -cuttings, ii. 43. 



— cotyledons, i. 622. 



— nectaries, ii. 174. 



— propagation by leaf-cuttings, ii. 41. 



— propagation of hybrids, ii. 556. 



— scarlet flowers in, ii. 196. 

 Geum, hybrids, ii. 558, 585. 



— mite-galls, ii. 529. 



Geum coccineum, autogamy, ii. 381. 

 Geum macrophyllum, mite-galls, ii. 529. 

 Geunf montanum, &c., autogamy, ii. 381. 



distribution of sexes, ii. 298. 



flowers, sexual conditions, ii. 303. 



plumed achenes, ii. 858. 



Geum reptans, runner, i. 664. 

 Geum rivale, autogamy, ii. 390. 



protection of pollen, ii. 118. 



Geum urbanum, elevation and coloration, 

 ii. 511. 



hooked style, ii. 873. 



undershrub, i. 715. 



Giant Puft"-baU. See Lycoperdon giganUum. 

 Gilea, corolla and autogamy, ii. 367. 



— seed mucilage, i. 615. 



Gilea tricolor, and frost, ii. 407. 



Gills, of Agaricineae, ii. 689. 



Ginger. See Zincjiber. 



Gingko, compared to oviparous animal, ii. 450. 



— dioecious, ii. 299. 

 Gingko biloba, i. 633 ; ii. 726. 



at Vienna, female graft on male tree, 



ii. 572. 



branch and young fruit, ii. 443. 



defoliation rapid, 1. 361. 



embryo detachment, ii. 480. 



— ^ flowering at Kew, ii. 474. 

 seed-coat, ii. 439. 



seeds, ii. 440. 



venation, i. 635. 



Girder, form of mechanical tissue, i. 727, 728. 

 Girders, fused into tubes, i. 730. 



— secondary, i. 731. 



Glacial epoch, supposed cause, ii. 909. 

 Glacier-fleas. See Poduras. 

 Glacier Pink. See Dianthus glacialis. 

 Glaciers, seeds blown on to, ii. 861. 

 Gladiolus, ii. 734. 



— bees and pollen, ii. 247. 



— cross-fertilization, ii. 304. 



— equitant leaves, i. 336. 



— nectary, ii. 176. 



— nectary concealment, ii. 181. 



— pollen deposition, ii. 278. 



— propagation, ii. 556. 



— ternary hybridization, ii. 560. 

 Gladiolus segetum, hermaphrodite and pis- 

 tillate flowers, ii. 297. 



stigma, ii. 279, 282. 



Gland, of Drosera, i. 144, 145. 



— of Sarracenia pitcher, i. 126, 150. 

 Gland-cells, in Nepenthes, i. 135. 



of Drosera, behaviour when stimulated, 



i. 147. 

 Gland-like organs, water imbibing, i. 156. 

 Glands, and fruit protection, ii. 447. 



— behaviour in Pinguicula vulgaris, i. 141. 



— in leaf of Dionsea, i. 149. 



— of Aldrovandia, i. 150, 153. 



— of Drosophyllum leaf, i. 154. 



— protective secretory, ii. 234. 



— secretory, gradations in differentiation, i. 



157. 



Glands, stalked, of Bartsia, i. 139. 



— viscid, double function of, i. 156. 



— water-absorbing, of Alpine Roses, i. 232. 

 Glandular hairs, classificatory value, ii. 564. 

 Glauber's salts, i. 50. 



Glaucium, flower shape, ii. 167. 



Glaucium corniculatum, &c., recurrent open- 

 ing, ii. 213. 



Glaucium luteum, cross-fertilization, ii. 301. 



protogj'nous, ii. 310. 



Glaux, morphology of flower, ii. 771. 



Glaux maritima, ovary, ii. 76, 79. 



Gleba, of Gasteromycetes, ii. 689. 



Glechoma, distribution of sexes, ii. 298. 



Glechoma hederacea, runner, i. 664. 



Gleditschia, and Acer, struggle for existence, 

 ii. 515. 



— reserve-buds, ii. 31. 



— spines, i. 433. 



Gleditschia Sinensis, scent, ii. 202. 

 Gleditschia triacanthos, scent, ii. 202, 209. 

 Gleditschias, American, leaf, dim'ual posi- 

 tions, i. 534. 



— leaf movements, i. 338. 

 Gleichenia, ii. 707, 708. 



— buds on frond, ii. 39. 



Gleichenia alpina, sporogenous pinna, ii. 11. 



Globba, ii. 736. 



Globe-animalcule, oldname for Foiuoa;, which 



see. 

 Globe-flower. See Trollius. 

 Globoid, i. 457. 

 Globularia, dehiscence of pollen-sacs, ii. 89, 



92, 124. 



— protogynous, ii. 312. 



Globulai'ia cordifolia, procumbent stem, i. 

 661, 662. 



stamen, ii. 91. 



Glohulariacese, ii. 771. 



Glceocapsa, appearance and occiUTence, ii. 

 621. 



— habit, i. 587. 



Glceocapsa sanguinea, reproduction, PI. I., i. 



575. 

 Gloiotrichia echinulata, ii. 622. 

 Gloriosa superba, tendrils, i. 692. 

 Glow-worm, luminosity, i. 386. 

 Gloxinia, bees and pollen, ii. 247. 



— velvety appearance, i. 320. 

 Glucose, from tannin, i. 507. 

 Glucosides, conducting tissues for, i. 479. 



— decomposition, i. 463, 465. 



— function, i. 462. 



— poisonous, of unripe fruit, ii. 446. 

 Glume, flowering, ii. 746. 

 Glumes, anthocyanin in, i. 522. 

 Glumiflorse, characteristics, ii. 745. 

 Glutamin, i. 464. 



Glutin, composition, i. 458. 



Glyceria, orientation of unfolding leaves, t. 



350. 

 Glyceria aquatica, &c., and Ustilago, ii. 675. 

 Glyceria fluitans, habit and habitat, ii. 502. 

 Glyceria spectabilis, protection of stomata 



from moisture, i. 294, 295. 

 Glyceride, of a fatty acid, in cuticle, i. 309. 

 Glycerine, production, i. 507. 

 Glycine Chinensis, scent, ii. 202. 



supports at Miramare, i. 680. 



GlycocoU, absorption of, i. 104. 

 Glycyrrhiza, leaf, diurnal positions, i. 534. 

 Glycyrrhiza echinata, fruit protection, ii. 442. 

 Glycyrrhiza glabra, tubercles on root-fibres, 



ii. 521. 

 Gnaphalium, i. 489. 



Gnaphalium alpinum, distribution of sexes, 

 ii. 299. 



— — &c., parthenogenesis, ii. 465. 



parthenogenetic fruit, ii. 84. 



Gnaphalium carpaticum, ii. 465. 



distribution of sexes, ii. 299. 



Gnaphalium dioicum, ii. 465. 



distribution of sexes, ii. 299. 



Gnaphalium Leoutopodium, i. 315. 

 coloured bracts, ii. 183. 



dichogamy, ii. 312. 



distribution of sexes, ii. 297. 



^ 



