INDEX. 



981 



VacciDium uliginosum, and Eiobasidium 

 Vaccioii, ii. 526. 



autumnal tints, i. 490. 



nectaries, ii. 175. 



stameiu ii- 91- 



Vaccinium Vitis-Idaea, and animals, i. 432. 



and Eiobasidium Vaccinii, ii. 526. 



and Metampsora Goeppertlana, ii. 525. 



pollen-sprinkling, ii. 224. 



shade and growth, ii. 506. 



water-collecting and -absorbing or- 

 gans, i. 231. 

 Vacuole, central, i. 41. 



— systole and diastole, i. 30. 

 Vacuoles, pulsating, i. 31. 

 Vagina, of leaf, i. 595. 



Valerian, Wild. See Valeriana officinalis. 

 Valeriana, imperfect flowers, ii. 294. 



— leaf size and vertical height, i. 287. 



— massing of flowers, ii. 186. 



— scent, ii. 202, 488. 



Valeriana dioica, imperfect flowers, ii. 295. 



protogyny, ii. 312. 



Valeriana globulari^ folia, nectary, ii. 178. 

 Valeriana montana, antbocyanin, i. 520. 



&e., distribution of sexes, ii. 298. 



nectary, ii. 178. 



Valerianaofficioali3,cross-fertilization,ii.307. 



flower, u. 178, 289. 



fruit, ii. 432. 



Valeriana Phu, elevation and coloration, 



ii. 511. 

 Valeriana polygama, protogynous, ii. 312. 

 Valeriana saxatilis, scent, ii. 202. 

 Valeriana simpUcifoha, elevation and col- 

 oration, ii. 511. 



imperfect flowers, ii. 295. 



Valeriana tripteris, antbocyanin, L 520. 



plumed fruits, ii. 857- 



protogynous. ii. 312. 



Valeriana tuberosa, store roots, i. 760. 

 Valerian acefe, ii. 765. 



— dichogamy in, ii. 312. 

 Valerianella Auricula, autogamy, ii. 351. 

 Valerianella carinata, autogamy, ii. 351. 



doubling through gall-mite, ii. 549. 



mite-galls, ii. 523. 



Valerianella dentata. protogynous, iL 310. 

 Valerianic acid, ii. 202. 

 Valerian scent, ii. 202. 

 Vallisneria, dicecious, ii. 299. 



— flower-stalk, i. 53. 



— pollen dispersion, ii. 105. 



— venation, i. 636. 



Vallisneria alternifolia. poUination, ii. 133. 

 Vallisneria spiralis, i. 667- 



and heat, i. 564. 



flowers and pollination, ii. 132. 



Valoniaceae, thallus characteristics, iL 646. 

 Valonias, colonies, i. 585. 

 Valvate dehiscence of pollen-sacs, ii. 93. 

 Vanda coerulea, duration of flowering, ii. 214. 

 Vanda teres, seed-dispersal, ii. 862. 



seeds and hygroscopic hairs, ii. 859. 



Vanessa UrticiB, larvae on nettles, i. 442. 



Vanilla, scent, ii. 200. 



Vanilla Orchid, ii. 738. 



Variation, effect of habitat on, i. 394. 



— possible factors in, ii. 593. 



— structural, i. 8. 

 Variegation, causes of, i. 285. 



Varnish excreting cells, distinctive featmres, 

 i. 237. 



— protective coating, i. 353. 

 Vamish-like covering of epidermis, composi- 

 tion, restrictive of transpiration, i. 312. 



Vascular bundle, strengthening of, i. 725. 

 Vascular bundles, in leaf and stem, i. 649. 

 Vascular bundle-sheath, i. 469- 

 Vascular Cryptogams, alternation of genera- 

 tions, i. 709. 



common characteristic ii. 67. 



Palaeozoic remains, ii. 612. 



sexual reproductive organs, ii. 62. 



two generations distinct, ii. 474. 



Vascular tissue and transpiration, L 347. 362. 

 Vaucheria, PI. I., ii. 57. 



Vaucheria, chlorophyll granules, i. 373. 



— ciUa of. i. 29. 



— colonies, i. 585. 



— conditions favourable to development of 



sexual organs, ii. 644. 



— germination, i. 575. 



— Klebs' experiments, ii. 482. 



— sporangium and spore, ii. 17. 

 Vaucheria clavata, as mud collector, i. 267. 

 motion of swarm-spore, i. 24. 



structure and behaviour towards light, 



i. 383. 



■- zoospore-formation, ii. G45. 



Vaucheria sessilis, fertilization, ii. 53. 



Vaucheriacese, ii. 643. 



Vega expedition, temperature observations, 



i. 547. 

 Vegetable and animal bodies, analogies, i. 591. 



— kingdom, divisions, ii. 617. 



— mould, conditions of formation, L 263. 

 Vegetable Sheep. See Haastia. 

 Vegetation, at mouths of drains, i. 105. 



— characteristics on sea-shore, i. 390. 



— coal period, i. 636. 



— lines of, ii. 881. 



— marine, vertical zone, i. 387. 



— mountain limits, L 527. 



— of heaths and moors, indigestibility, i. 432. 

 Vegetative cell, of poUen-grain, ii. 420. 



— propagation, ii. 790. 



lengths of runners, ii. 802. 



various cau.=:es, ii. 459. 



Vella spinosa, spines, i. 444, 449. 

 Velum, of Isoetes, ii. 716. 



— partiale, of Agaricinege, ii. 689. 



— imiversale, of Agaricinefe, ii. 689. 

 Velvety, texture, i. 320. 



Venation, importance in Pal*u-l>otauy. i. 635. 



— specific constancy, i. 635. 



— of leaf, terminology, i. 629 et seq. 



— of leaves, i. 631. 



Venetian lagoons, vegetation, ii. 104. 

 Ventilation-canals, functions of, i. 63. 

 Ventral canal-cell, in Gyninosperms. ii. 419. 

 Ventral suture, of follicle, &c.. ii. 430. 

 Venu3*s Fly-trap. See Diona;a jnitscipula. 



— Looking-glass. See Specularia speculum. 

 Veratrum, hermaplirodite and staminate 



flowers, ii. 297. 

 Veratrum album, grooving of leaf, i. 96. 



odourless, i. 431. 



Verbascura, edible staminal hairs, iL 170. 



— bairs and animals, i. 442. 



— hybrid flower colour, ii. 567. 



— hybrids, ii- 585. 



— leaves and light, i. 410. 



— sterility of hybrids, ii. 571. 

 Verbascum Austriacum, and bud-galls of 



Cecidomyia Verbasci, ii. 544. 



colour-contrast of flower, ii. 189. 



Verbascum Blattaria, nectaries. iL 177. 



corolla and autogamy, ii. 367. 



Verbascum Lychnitis, and bud-galls of Ceci- 

 domyia Verbasci, ii. 544. 



Verbascum nigrum, and bud-galls of Ceci- 

 domyia Verbasci, ii. 544. 



colour-contrast of flower, ii. 189. 



Verbascum olympicum, hairs, i. 324. 



Verbascum pblomoides, i. 97. 



method of water-conduction, i. 96. 



stomatal protective hairs, i. 292. 



Verbascum phoenicurn, nectaries, ii. 177. 



Verbascum pulverulentum, deciduous pro- 

 tective branched hairs, i. 354. 



Verbascum thapsiforme, bairs, i. 322. 



Verbascum Thapsus, autogamy, iL 350. 



function of woolly hairs, i. 227. 



stomatal protective hairs, L 292. 



tea, i. 443. 



Verbascum verulentum, hairs, i. 324. 



Verbena officinalis, honey protection, ii. 241. 



Verbenaceae, ii. 771. 



Vernation, crumpled. L 349. 



— in relation to transpiration, i. 348. 



— of pinnate leaves, i. 350. 



— plaited, i. 349. 



Veronica, opening of flower, ii. 212. 



Veronica, protogynous, ii. 311. 



— seed dispersed by rain, ii, 846. 



— stamens as insect platform, iL 225. 

 Veronica alpina, weather and autogamy, it 



391. 



Veronica Anagallis, extremes of growth, ii. 

 500. 



leaves, aerial and submerged, ii. 501. 



Veronica Beccabunga, habit and tempera- 

 tm-e, ii. 503. 



Veronica bellidioides, weather and autoga- 

 my, ii. 391. 



Veronica chamjedrj's and galls of Cecidomyia 

 Veronicse, ii. 547. 



elevation of petioles, i. 419. 



inflorescence, ii. 226. 



insects and pollen, ii. 245. 



weather and autogamy, ii. 391. 



Veronica hederifoUa, origin of flower-stalk, 

 L 737. 



Veronica maritima, geitooogamy, ii. 326. 



Veronica officinalis, elevation of petioles, L 

 419. 



gall-mites anddoubling of flowers, ii. 553. 



honey protection, ii. 241. 



Veronica poUita, light and growth, ii, 508. 



Veronica prsecoi, antbocyanin, i. 512. 



Veronica saxatilis, gall-mites and flower 

 metamorphosis, ii. 548. 



Veronica scutellata, weaving babit, i. 674. 



Veronica spicala, geitonogamy, ii. 326. 



Veronica spuria, geitonogamy, ii. 326. 



Verrucaria calciseda. heat resistance, i. 554. 



Verrucaria purpurascens, heat resistance, L 

 554. 



Versatile anther, ii. 90. 



of Grasses, ii. 141. 



Verticillatie, general characteristics. iL 646. 



Verticordia oculata, seed-dispersal, ii. 855. • 



Vervain. See Verbena officinalis. 



Vessels, absence in seedling of Cuscuta, i. 172. 



— in young Orobanche, L 184. 



— laticiferous, i. 470. 



— nature of, i. 46. 



— size, L 362. 



— spiral, L 471- 



— various, L 469- 



Vetch, Bitter. See Orohus! vemus. 

 Vetches. S. Europe, phyllodes, i. 335. 

 Viburnum lantana, behaviour of stamens, L 

 740. 



deciduous stellate hairs, i. 354. 



geitonogamy, ii. 326. 



scent, ii. 200. 



— — texture of mite-gall, ii. 533. 



unfolding leaves, i. 349. 



Viburnum Lentago, i. 488. 



Viburnum Opulus, geitonogamy, ii. 326. 



peripheral flowers, ii. 187. 



scent, ii. 200. 



water-absorption, direct from atmo- 

 sphere, L 238. 

 Vicia, how protected, i. 451. 



— keel movements and pollen-brush, ii. 252. 



— seeds and heat, i. 555. 



— tendrils, L 693. 



Vicia amphicarpa, cleistogamy, ii. 393. 

 Vicia Cracca, elevation and coloration, ii. 511. 

 Vicia dumetorum, seed protection, ii. 446. 

 ViciaFaba.colour-contrastofflowers, ii. 189. 

 Vicia Melanops, ii. 190. 

 Vicia picta, ii. 190. 



Vicia pisiformis, seed protection, ii. 446. 

 Viciasepium, elevation and coloration, ii. 511. 

 Vicia sylvatica, seed protection, ii. 446. 

 Victoria regia, antbocyanin, i. 521. 



colour contrast of flower, ii. 190. 



in the River Amazon. PL XI. 



leaf and transpiration, i. 2&8. 



position of stomata on leaves, i. 280. 



prickles, i. 433. 



protective Isolation by water, ii. 234. 



size of flowers, ii. 185. 



— — venation, i. 636. 



Vienna, time of flowering, i. 518. 

 Villarsia, allurement by petals, ii. 171. 



— leaf-rosettes, i. 412. 



