INDEX. 



951 



Ocntlana Clusü. favourite soil. ii. 496. 



flowere and autogamy, ii. 388. 



Qfintiaua cruciata, protandroiis, ii. 311. 



Geutiaua germanica, grooving of stem, i. 95. 



heterostyly, ii. 302. 



protogyuous, Ü. 311. 



auctiou cells of roots, i. 115. 



GentiaDa glacialis, corolla and autogamy. Ü. 

 366. 



guides to honey, ii. 248. 



habitat, i. 112. 



protogyuous, ii. 311. 



weather and autogamy, ii. 391. 



Gentiona lutea, aud field-mice, i. 763. 



and hybridization, ii. äS5. 



Gentiana nana, anther, ii. 90. 



habitat, i. 112. 



shortest stem, i. 660. 



Gentiana nivalis, cross-fertilization, ii. 301. 



opening aud closing, ii. 116, 220. 



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



insect reception, ii. 229. 



protandrous, ii. 311. 



Gentiana Pneumonauthe, abode for beetles, 

 ü. 163. 



insect reception, ii. 229. 



protandrous, Ü. 311. 



Gentiana prostrata. habitat, i. 112. 



protandrous, ii. 311. 



weather and autogamy, ii. 391. 



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



ii«ect reception, ii. 229. 



• protandrous, ii. 311. 



Gentiana purpurea and hybridization, ii. 585. 



Gentiana Kh^tica, 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, Ü. 209. 



Gentianaceae, 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. 

 GeoglosBum, L 112; ii. 683. 

 Geographical areas, enumerated, ii. 898. 



— position and blossoming, i. 565. 

 Geometrical arrangement, of cells and leaves. 



i. 405. 

 Geotropism, ctositive, i. 88. 



neutralized in roots of certain plants, 



i.90. 

 Geraniaceae, autogamy in, ii. 335. 



— nectaries, iL 176. 



Geranium, alternative cross- and Belf-[>olll- 

 natioD, ii. 336. 



— venation, i. 632. 



Geranium argenteum, crosa-ferttlization, ii. 



306. 



&c., dichogamy, ii. 311. 



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



Ac, 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. 3<>6. 



duration of flowering, ii. 213. 



Geranium pusillum, autogamy, ii. 332. 

 Geranium Pyrenaicum, leaf-mosaic, i. 410. 

 Geranium liobcrtianum, guides to honey, it. 



249. 

 pollen-grains, iL 97. 



Geranium Robertianum, protection of irallen, 



ii. 120. 

 Geranium snnguineum, scroll-gall, ii. 530. 

 Geranium sylvaticum, cross-furlilization, ii. 

 306. 



effect of mutilation, ii. 517. 



protandrous Howors, ii. 307. 



Germander. See Teucritun. 

 Gurmen. See Ovary. 

 Germinal vesicle. See Ooplast. 

 Germination, Githago, Sic., i. 610. 



— modes of. i. 602 et seq. 



— of pollen-grain, ii. 407. 



— thermal constants, correction, i. 55S, 561. 

 Gesneracei«. ii. 575. 771. 



— buda on leaf -cut tings, ii. 43. 



— cotyledons, i. 622. 



— nectaries, ii. 174. 



— propagation by leaf-cuttings, ii. 41. 



— propagation of hybrid.s. ii. 556. 



— scarlet flowers in, ii. 196. 

 Geum, hybrids, ii. 558, 585. 



— mite-galls, ii. 529. 



Geum coccineum. autogamy, it. 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 Lycoperdon giganteum. 

 Gilea, corolla and autogamy, ii. 367. 



— seed mucilage, i. 615. 



Gilea tricolor, aud frost, ii. 407. 



Gills, of AgaricineiB, ii. 689. 



Ginger. See Zingihtr. 



Gingko, compared to oviparous animal, ii. 450. 



— dioecious, ii. 299. 

 Gingko biloba, i. 633; ii. 726. 



at Vienna, female graft on male tree, 



u. 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 ginnnlis. 

 Glaciers, seeds blown on to, ii. 861. 

 GiadioluB, ii. 734. 



— bees and pollen, ii. 247. 



— cross-fertilization, ii. 304. 



— equilant leaves, 1. 336. 



— nectary, ii. 176. 



— nectary concealment, ii. 181, 



— pollen deposition, ii. 278. 



— propagation, ii. 556. 



— temiir>- hybridization, ii. 560. 

 Gladiolus »egetum. 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 Dion«^, i. 149. 



— of Aldrovundia, i. 150, 153. 



— of Drosophyllum leaf, i. 154. 



— protective secretory, ii. 234. 



— secretory, gradations in differentiation, i. 



157. 



Glands, stalked, of Bartala. i. 139. 



— viscid, double function of. i. 156. 



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

 Glandular hairs, classiflcatory value, it. 564. 

 Glauber's salts. 1. 50. 



Glaucium, flower shape, ü. 167. 



Glauciuui coruiculatum, &c., recurrent open- 

 ing, ii. 213. 



Glaucium luteum, cross-fertilization, ii. 301. 



protogynous, ii. 310. 



Glaux, mon>hology of flowor, ii. 771. 



Glaux maritima, ovary, ii. 76, 79- 



Gleba, of Gaatoromycetes, ii. 689. 



Glechoma, distribution of «exes, ii. 298. 



Glechoma hederacea, runner, i. 664. 



Gleditschia, and Acer, struggle for existence, 

 ii. 515. 



— reserve-buds, ii. 31. 



— spines, i. 433. 



Gleditscliia Sinensis, scent, ii. 202. 

 Gleditschia 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 alpiua, sporogenous pinna, ii. 11. 



Globba, ii. 736. 



Globe-animalcule, oldname for Koii'ox, which 



see. 

 Globe-flower. See Trolliits. 

 Globoid, i. 457. 

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



92. 124. 



— protogynous, ü. 312. 



Globularia cordifolia, procumbent stem, i. 

 661, 662. 



stamen, ii. 91. 



Globulariaceffi, ii. 771. 



Glceocapsa, appearance and occurrence, ii. 

 621. 



— habit, i. 587. 



Glceocapsa saoguinea, 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. 

 Glumiflone, characteristics, ii. 745. 

 Glutamin, i. 464. 



Glutin, composition, i. 458. 



Glyccria, 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 Ghinensis, scent, ii. 202. 



supports at Miraniare, i. 680. 



Glycocoll. absorption of, i. 104. 

 Glycyrrhiza, leaf, diurnal positions, i. 534. 

 Glycyrrhiza echinata, fniit protection, ii. 442. 

 Glycyrrhiza glabra, tubercles on root-fibres, 



ii. 521. 

 Gnai>hulium, i. 489. 



Gnaphalium alpinum, distribution of sexes, 

 ii. 299. 



&c., parthenogenesis, ii. 465. 



parthenogenetic fruit, ii. 84. 



Gnaphalium can)aticum, it. 465. 



distribution of bcxcs, ii. 299. 



Gnaphalium dioicuin, ii. 465. 



distribution of sexes, ii. 299. 



Gnaphalium Leontopodium, i. 315. 



coloured bract«, it. 183. 



dichogamy, ii. 312. 



distribution of sexes, ii. 297. 



