INDEX. 



Gentiana Clusii, favourite soil, ii. 496. 



flowers and autx)gamy, ii. 388. 



Gentiana cruciata, protandrous, ii. 311. 



Gentiana germanica, grooving of stem, i. 95. 



heterostyly, ii. 302. 



protogynous, ii. 311. 



suction 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 tield-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, 1. 763. 



insect reception, ii. 229. 



protandrous, ii, 311. 



Gentiana Pneumouanthe, 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 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. 



GentianaceiB, ii. 771. 



— autogamy in, ii. 366. 



— dichogamy in, ii. 311. 



— grooving of stem, i. 95. 



— heterostylism in, ii. 302. 



— hybrids among, ii. 585. 



Gentianeae, Ashes, &o., habitat in relation to 

 water-collecting habit, i. 240. 



— water-collecting arrangement of leaves, i. 



156, 231. 

 Geoglossum, i. 112; ii. 683. 

 Geograpliical areas, enumerated, ii. 898. 



— position and blossoming, i. 565. 

 Geometrical arrangement, of ceUs 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-fertUization, ii. 



306. 



&c., dichogamy, ii. 311. 



Geranium coIumbiDum,&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 pusillura, autogamy, ii. 332. 

 Geranium Pyrenaicum, leaf-mosaic, i. 410. 

 Geranium Robertianum, guides to honey, ii. 



249. 

 pollen-grains, ii. 97. 



Geranium Robertianum, protection of poUen, 



ii. 120. 

 Geranium sanguineum, scroll-gall, il. 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, 5C1. 

 Gesneraceaj, 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. 

 Geimi 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, and frost, ii. 407. 

 Gills, of Agaricinese, ii. 689. 

 Ginger. See Zingiber. 



Ginkgo, compared to oviparous animal, ii. 450. 



— dioecious, ii. 299. 

 Ginkgo biloba, i. 633 : ii. 726. 



at Vienna, female graft on male tree, 



ii. 572. 



branch and young fruit, 443. 



defoliation rapid, i. 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. 8G1. 

 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 Dionica, i. 149. 



— of Aldrovandia, i. 150, 153. 



— of Drosophyllum leaf, i. 154. 



— protective secretory, ii. 234. 



— secretory, gradations in differentiation, 1. 



157. 



Glamls, stalkcj, of B»rUla, I. 139 



— vuk-id. double fuiictl'in of, I. IM. 



— water ab<iorbliig. of AlpiM KoMa, L 232. 

 Glandular haln, cUttlttMorj Tklua, IL Hi. 

 Glaut>er's salu. i. SO. 



Olttuclura, flower «hmpf, 11. 167, 



Glaucium c<jroloulMiiu, kc , rerurrfnil opae- 



Ing, ii. 213. 

 Glaucium luUum, crow ftrlUitttiuo, U. SOL 



protogynous, II 310. 



Glaui, morphology of flower, li. T7L 

 Ulaui maritima, ovary. U. 76. 79. 

 Glcba, of Gastoromycolea. li. 689. 

 Glcchoma, distributloo of scica, II. IW. 

 Glechoma hedurocca, ninner, I. 664. 

 GleditBchia, and Acer, strujuile (or eiiateooiL 



ii. 515. 



— reserve-buds, ii. 31. 



— spines, i. 433. 



Gleditschia Sinensis, scent, li. 303. 

 Gleditschia triacanthos, soent, II. V/i, 209. 

 Gleditschius. American, leaf, dlumal poal- 

 tions, i. 534. 



— leaf movements, i. 338. 

 Gleichenia, ii. 707, 708. 



— buds on frond, ii. 33. 



Gleichenia alpina, sporogenous pinna, II. 11. 



Globba, ii. 736. 



Globe-animalcule, old name for Kolroz.wbicb 



Globe-flower. See TroUiut. 

 Globoid, i. 457. 



Globularia, dehiscence of pollcn-sact, ii. 89, 

 92, 124. 



— protogynous, II. 312. 



Globularia cordifulia, procuniU-nt sieni. I. 

 661, 662. 



stamen, iu 91. 



Globulariaceie, ii. 771. 



Glceocapsa, appearance and occurrence, it 

 621. 



— habit, i. 587. 



Gloeocaiisa sanguinea, reproduction of, L 



139. 

 Gloiotrichia echinulata. li. 622. 

 Gloriosa superba, tendrils, I. 69X 

 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, 

 Glumiflorae, characterisiics, il. 745. 

 Glutamin, i. 464. 



Glutin, composition, i. 458. 



Glyccria, orientation of unfolding Iravr*. I. 



350. 

 Glyceria aquatica, ic. and Cstilago. li. CTi. 

 Glyccria fluiUns, habit and habitat. U. 903. 

 Glyceria spcctabilis, protection of stomata 



from moisture, i. 2'.M, 295. 

 Glyccride, of a fatty acid. In cuticle, 1. 309. 

 Glycerine, production, i. S07. 

 Glycine Chinensis. scent, U. VI. 



supports at Miraniare. I. 680. 



GlycocoU, absorption of, L 104. 

 Ulycyrrhiza, leaf, dlunial poaitions. 1 .'04 

 Glycyrrhiza ccblnata, fruit prvjtrction. ii 441 

 Glycyrrhlza glabra, tubercles on rool-nl>r«< 



ii. 521. 

 Gnaphalium, i. 489. 



Gnapbalium alpinum, dlsUlbuUon of wia*. 

 ii. 299. 



&c., parthenogcn<•sl^ li. 465. 



partbenogenetio fruit. Ii 84. 



Gnaphalium cari>atic'i'n. ii 4« 



distribution of »<•».». li ■.'.•9. 



Gnaphalium dinicum. ii i>''> 



distribution o( ». i. ». ii 2» 



Gnaphalium Leonl.>i-Hlium. I 315. 



colourr<l braoUi, II 1.^3 



dlchok-niiijr. ii 312 



distribution of icics, il. Vt. 



