INDEX. 



951 



Gentiana Clusii, favourite soil, ii. 496. 



flowers and autogamy, ii. 388. 



Gentiana cruciata, protandrous, ii. 311. 

 Gentiana germanica, grooving of stem, i. 95, 



beteroatyly, ii. 302. 



protogynoua, ii. 311. 



auction cells of roots, i. 115. 



Gentiana glacialis, corolla and autogamy, ii. 



366. 



guides to honey, ii. 248. 



habitat, i. 112. 



protogynous, ii. 311. 



weather and autogamy, ii. 391. 



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



and hybridization, 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 Pannonica, and field-mice, i. 763. 



insect reception, il. 229. 



protandrous, ii. 311. 



Gentiana Pneumonanthe, abode for beetles, 



ii. 163. 

 insect reception, ii. 229. 



— — protandrous, ii. 311. 

 Gentiana prostrata, habitat, i. 112. 

 protandrous, ii. 311. 



weather and autogamy, ii. 391. 



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



insect reception, ii. 229. 



protandrous, ii. 311. 



Gentiana purpurea and hybridization, ii. 585. 

 Gentiana Rhsetlca, 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 vema, blue flower, ii. 198. 



effect of mutilation, ii. 517. 



protogynous, ii. 311. 



scentless, ii. 209. 



Gentianacese, ii. 771. 



— autogamy in, il 366. 



— dichogamy in, ii. 311. 



— grooving of stem, i. 95. 



— heterostylism in, ii. 302. 



— hybrids among, ii. 585. 



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

 water-collecting habit, i. 2-10. 



— water-collecting arrangement of leaves, i. 



156. 231. 

 Geoglossum, 1. 112; ii. 683. 

 Geographical areas, enumerated, ii. 898. 



— position and blossoming, i. 565. 

 Greometrical arrangement, of cells and leaves, 



i. 405. 

 Geotropism, positive, i. 88. 



neutralized in roots of certain plants, 



i. 90. 

 Geraniaceae, 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 columhinum,&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, ^i. 306. 



duration of flowering, ii. 213. 



Geranium pusillum, autogamy, ii. 332. 

 Greranium Pyrenaicum, leaf-mosaic, i. 410. 

 Geranium Bobertianum, guides to honey, ii. 



249. 

 pollen-grains, ii. 97. 



Geranium Robertianum, protection of pollen, 



ii. 120. 

 Geranium sanguineum, soroll-gall, ii. 530. 

 Geranium sylvaticum, cross-fertilization, ii. 

 306. 



effect of mutilation, ii. 517. 



protandrous flowers, ii. 307. 



Germander. See Teucrium. 

 Germen. 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. 

 Gesneracege, ii. 575, 771. 



— buds on leaf-cuttiugs, 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. 

 Geum 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 Puff-ball. See I/ycoperdon giganteum. 

 Gilea, corolla and autogamy, ii. 367. 



— seed mucilage, i. 615. 



Gilea tricolor, and frost, ii. 407. 



GUIs, of Agaricinese, ii. 689. 



Ginger. See Zingiber. 



Gingko, compared to oviparous animal, ii. 450. 



— dicecious, ii. 299. 

 Gingko biloba, i. 633 ; ii. 726. 



at Vienna, female graft on male tree, 



ii. 572. 



branch and young fruit, ii. 443. 



defoHation rapid, i. 361. 



embryo detachment, ii. 480. 



flowering at Kew, ii. 474. 



seed-coat, ii. 439. 



seeds, ii. 440. 



venation, L 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 Podwas. 

 Glacier Pink. See Dianthiis 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 Pioguicida vulgaris, i. 141. 



— in leaf of Dionjea, i. 149. 



— of Aldrovandia, i. 150, 153. 



— of DroBOphyllum 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. 



protogynous, 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, ninner, i. 664. 



Gleditsohia, and Acer, struggle for existence, 

 ii. 515. 



— reserve-buds, ii. 31. 



— spines, i, 433. 



Gleditsohia Sinensis, scent, ii. 202. 

 Gleditsohia triacanthos, scent, ii. 202, 209. 

 Gleditschias, American, leaf, diurnal 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, old name for Volvox.-which 



see. 

 Globe-flower. See TroUiiis. 

 Globoid, i. 457. 

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



92, 124. 



— protogynous, ii. 312. 



Globularia cordifolia, procumbent stem, i. 

 661, 662. 



stamen, ii. 91. 



Globxilariaceffi, ii. 771. 



Glceocapsa, appearance and occurrence, 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. 

 Glumiflor^, characteristics, ii. 745. 

 Glutamin, i. 464. 



Glutin, composition, i. 458. 



Glyceria, orientation of unfolding leaves, i. 



350. 

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

 Glyceria fluitans, habit and habitat, ii. 502. 

 Glyceria spectabiUs, 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. 



Glycocoll, absorption of, i. 104. 

 Glycyirhiza, leaf, diurnal positions, i. 534. 

 Glycyrrhiza ecbinata, fruit protection, ii. 442. 

 Glycyrrhiza glabra, tubercles on root-fibres, 



ii. 521. 

 Gnaphalimn, i. 489. 



Gnapbahum alpinum, distribution of sexes, 

 ii. 299. 



&c., parthenogenesis, ii. 465. 



parthenogenetic fruit, ii. 84. 



Gnapbalium carpaticum, ii. 465. 



distribution of sexes, ii. 299, 



Gnaphaliura dioicum, ii. 465. 



distribution of sexes, ii. 299. 



Gnaphalium Leontopodium, i. 315. 



coloured bracts, ii, 183. 



dichogamy, ii. 312. 



distribution of sexes, ii. 297. 



