INDEX. 



951 



Gentiana Clusii, favourite soil, ii. 496. 



flowera and autogamy, ii. 388. 



Gentiana oruciata, protandrous, ii. 3U. 

 Gentiana germanioa, grooving of stem, I. 95. 



heterostyly, ii. 302. , 



protogyuous, ii. 311. 



suction cells of roots, i. 115. 



Gentiana glacialis, corolla and autogamy, ii. 

 366. 



guidea to honey, ii. 248. 



habitat, i. 112. 



protogynou3, ii. 311. 



weather and autogamy, ii. 391. 



Crentiana 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 fleld-mice, i. 763. 



insect reception, ii. 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 RhEetica, gall-mitea and flower- 

 metamorphosis, ii. 548. 



grooving of stem, i. 95. 



heterostyly, ii. 302. 



opeuing of flowers, ii. 219. 



poUen-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. 



GentianacesB, ii. 771. 



— autogamy in, ii. 366. 



— dichogamy in, ii. 311. 



— grooving of stem, i. 95. 



— heterostyUsm in, ii. 302. 



— hybrids among, ii. 585. 



Gentianeee, 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 and blossoming, i. 565. 

 Geometrical arrangement, of cells and leaves, 



i. 405. 

 Geotropism, positive, i. 88. 



neutralized in roots of certain plants, 



i. 90. 

 GeraniaceEe, autogamy in, ii. 335. 



— nectaries, ii. 176. 



Gteranium, alternative cross- and self-polli- 

 nation, ii. 336. 



— venation, i. 632. 



Geranium argenteum, cross-fertilization, ii. 



306. 



&c., dichogamy, ii. 311. 



Geranium columbinum,i&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 aanguineum, scroll-gall, ii. 530. 

 Geranium sylvaticum, cross-fertilization, ii. 

 306. 



effect of mutilation, ii. 517. 



protandx-ous 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 poUen-grain, ii. 407. 



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

 Gesneraceae, 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. 

 Geum montanum, &o., 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 PufE-baU. See I/ycoperdon giganteum. 

 Gilea, corolla and autogamy, ii. 367. 



— seed mucilage, i. 615. 



Gilea tricolor, and frost, ii. 407. 



Gills, of Agaricinese, ii. 689. 



Ginger. See Zingiber. 



Ginkgo, compared to oviparous animal, ii. 450. 



— dioscious, ii. 299. 



■ Ginkgo biloba, i. 633 ; ii. 726. 



at Vienna, female graft on male tree, 



ii. 572. 



branch and young fruit, 443. 



defoliation rapid, 1. 361. 



embryo detachment, ii. 418. 



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-fertihzation, ii. 304. 



— equitant leaves, i. 336. 



— nectary, ii. 176. 



— nectary concealment, ii. 181, 



— poUen 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 DionEca, 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 comiculatum, &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, 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, diurnal posi- 

 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 Volvox,vfhich 



see. 

 Globe-flower. See Trollius. 

 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. 



Globulariacete, ii. 771. 



Gloeocapsa, appearauce and occurrence, ii. 

 621. 



— habit, i. 587. 



Gloeocapsa sanguiuea, reproduction of, L 



139. 

 Gloiotrichia echinulata, ii. 622. 

 Gloriosa superba, tendrils, i. 692, 

 Glow-worm, luminosity, i. 386. 

 Gloxinia, bees and poUen, 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, i. 



350. 

 Glyceria aquatica, &c., andUstilago, ii. 675. 

 Glyceria fluitans, habit and habitat, ii. 502. 

 Glyceria spectabihs, 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. 

 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. 



GnaphaUum carpaticum, ii. 465. 



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. 



