.INDEX. 



951 



Gentiana Cluaii, favourite soil, ii. 496. 



tlowera and autogamy, ii. 388. 



Gentiana cruoiata, protandrous, ii. 311. 

 Gentiana germanica, grooving of stem, i. 95. 



heterostyly, ii. 302. 



pvotogynous, ii. 3U. 



suction cells of roots, i. 115. 



Genbiana glacialis, coroUa and autogamy, ii. 



366. 



guides to honey, ii. 248. 



habitat, i. 112. 



protogynoua, 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, ii. 229. 



protandrous, ii. 311. 



Gentiana Fneumonanthe, abode for beetles, 



ii. 163. 



insect reception, ii. 229. 



protandrous, ii. 311. 



Gentiana prosbrata, 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. 

 Greutiana Rhsetica, gall-mites and fiower- 

 metamorphoBis, ii. 548. 



grooving of stem, i. 95. 



heterostyly, ii. 302. 



opening of fiowers, ii. 219. 



pollen-grains, ii. 98- 



protogynoua, 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. 



GentianacesB, ii. 771. 



— autogamy in, ii. 366. 



— dichogamy in, ii. 311. 



— grooving of stem, 1. 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. 

 GeoglosBum, i. 112; ii. 683. 

 Geographical areas, enumerated, ii. 898. 



— position and blossoming, i. 565. 

 Geometrical arrangement, of cells and leaves, 



i. 405. 

 Geotropism, positive, i. 88. 



neutralized in roots of certain plants, 



i. 90. 

 Geraniacese, 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., protogynoua, 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,crosa-fertilization,ii. 306. 



duration of flowering, ii. 213. 



Geranium pusillum, autogamy, ii. 332, 

 Geranium Pyrenaicum, leaf-mosaic, i. 410. 

 Geranium Eobertianum, guides to honey, ii. 



249. 

 pollen-grains, ii. 97. 



Geranium Eobertianum, protection of pollen, 



ii. 120. 

 Geranium aanguineum, scroll-gall, ii. 530. 

 Geranium sylvatioum, cross-fertilization, ii, 

 306. 



effect of mutilation, ii. 517. 



protandrous flowers, ii. 307. 



Germander. See TeucHum. 

 Gerraen. 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-cuttings, ii. 43. 



— cotyledons, i. 622. , 



— nectaries, il. 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 achenea, 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 Lycoperdon gigcmteum. 

 Gilea, corolla and autogamy, ii. 367. 



— seed mucilage, i. 615. 



Gilea tricolor, and frost, ii. 407. 



Gills, of Agaricinese, ii. 689. 



Ginger. See Zingiber. 



Giogko, 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, i. 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 Droaera, i. 144, 146. 



— 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 Biouiea, i. 149. 



— of Aldrovandia, i. 150, 153. 



— of Droaophyllum 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 iBoaes, i. 232. 

 Glandular hairs, claaaificatory value, ii. 564. 

 Glauber's salts, i. 50. 



Glaucium, flower shape, ii. 167- 



Glauoium corniculatum, &c., recurrent open- 

 ing, ii. 213. 



Glauoium 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, runner, i. 664. 



Gleditschia, and Acer, struggle for existence, 

 ii. 515. 



— reaerve-buds, ii. 31. 



— spines, i. 433. 



Gleditachia Sinensis, scent, ii. 202. 

 Gleditschia triacanthos, scent, ii. 202, 209. 

 Gleditschias, American, leaf, diurnal posii- 

 tions, i. 534. 



— leaf movements, i. 338. 

 Gleichenia, ii. 707, 708, 



— buds on frond, ii. 39. 



Gleichenia alpina, sporogenous pinna, ii. 11. 



Globha, ii. 736. 



Globe-animalcule, oldname for FoJvoo;, which 



see. 

 Globe-flower, See Trollms. 

 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, 



Globulariacese, ii. 771. 



Gloeocapsa, appearance and occurrence, iL 

 621. 



— habit, i. 587. 



Gloeocapsa sanguinea, reproduction, PL I., i, 



575. 

 Gloiotrichia ecbinulata, 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. 

 Glumifiorse, characteristics, ii. 745. 

 Glutamin, i. 464. 



Glutin, composition, i, 458. 



Glyceria, orientation of unfolding leaves, i, 



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. 



Glycocoll, absorption of, L 104. 

 Glycyrrhiza, leaf, diurnal positions, i. 534. 

 Glycyrrhiza echinata, fruit protection, ii. 442. 

 G^cyrrhiza glabra, tubercles on root-fibrea, 



ii. 521. 

 Gnaphaliimi, i. 489. 



Gnaphaliimi alpinum, distribution of sexes, 

 ii. 299. 



Sec, parthenogenesis, ii. 465. 



parthenogenetic fruit, ii. 84. 



Gnaphalium carpaticura, ii. 465. 

 I— - — distribution of sexes, ii. 299. 

 Gnaphalium dioicum, ii. 465. 



distribution of sexes, ii. 299. 



Gnaphalium Leontopodium, i, 315. 



coloured bracts, ii, 183. 



dichogamy, ii. 312. 



distribution of sexes, ii, 297. 



