946 



INDEX. 



Epipnctia Bpeciosa. and other bybrids, ii. 



583. 

 Epiphragm, of Polytricbum peristome, ii. 



703. 

 Epiphyllous buds, ii. 37. 40, 44. 



— sboots, ii. 37. 



Epiphyte,'meaDiBg of term, i. 56. 

 Epiphytes, adveotitioua roots, i. 751. 



— aerial roots, i. 753. 



— favourite bark, i. 720. 



— formerly treated as parasites, i. 159. 



— mode of grou-th of roots, rhizoida, or 



hyph^, i. 115. 



— nutrition, i. 116. 



— on epiphytes, i. 116. 



Epiphytism, among Marine Algro, i. 161. 

 Epipogium, i. 184, 655. 



— absorbent cells, i. 766. 



— nectary, ii. 176. 



— pollen deposition and retention, ii. 284. 



— position of labellum, ii. 224. 



— scaly stem, i. 652. 

 Epipogium apbyllum, ii. 201. 



absorptive cells and food-absorptiou, i. 



114. 



description, i. 111. 



flower, &c., ii. 226. 



habit, ii. 737. 



habitat and foliage, i. 110. 



pollination, ii. 257. 



rapid growth of flowering stem, i. 118. 



Episcia bicolor, epiphyllous buds, ii. 43. 

 Epithemia, cold resistance, i. 542. 

 Equisetacese, alternation of generations, ii. 

 476. 



— antheridia and fertilization, ii. 68. 



— apical-cell, i. 579. 



— description, ii. 711. 



— Palaeozoic, ii. 612. 



— prothallium, ii. 68. 



— sporangia and spore-formation, ii. 14. 

 Eciuisetales, ii. 711. 



— fossil remains, ii. 713. 



— sporophyte characteristics, ii. 704. 

 Equisetum, and animals, i. 432. 



— arrangement of stomata. i. 280. 



— elaters, function of, ii. 815. 



— number of species, ii. 711. 



— silica in, ii. 712. 



— siHcic acid in, i. 67. 



— switch -plants, i. 330. 



Equisetum arvense and E. limosum, hybrid 



of. ii. 532. 



fertile shoot, ii. 712. 



spores with elaters, ii. 712. 



sterile and fertile shoots, i. 653; ii. 14, 



476. 

 Equisetum giganteum, &c., height, ii. 712. 

 Equisetum hiemale, commercial use, ii. 713, 

 Equisetum inundatum, hybrid, ii. 582. 

 Equisetum limosum, necessary soil, ii. 612. 

 Equisetum sylvaticum. il 14, 712. 

 Equisetum Telmateja, shoot, kinds of, i. 653. 

 Equitant leaves, i. 336. 

 Eranthia. colour of sepals, ii. 183. 



— germination, 1. 622. 



— movements of stamens, ii. 250. 



— nectaries, ii. 179. 



— opening of flower and growth, ii. 220. 



— protection of pollen, ii. 112, 114. 

 Eranthis hiemalls, duration of flowering. iL 



213. 

 Eremosphffira, ii. 636. 

 Eremurus, aphide mimicry, ii. 327. 



— behaviour of styles, i. 740. 



— geitoDogamy. ii. 326. 



Eremurus altaicus, &c., alluring tissue, ii. 



171. 

 Eremurus Caucasicus. inflorescence, ii. 309. 

 Ergot of Rye. See Claviceps purpurea. 

 Ergotism, ii. 681. 

 Erica, dispute about name, i. 5. 



— hybridization in, ii. 330, 585. 



— pollen sprinkling, ii. 275. 



— pollen tetrads, ii. 97. 104. 



— sticky stigmas, ii. 282. 



— suitable substratum, i. 250, ii. 498. 



Erica arborea aud galls of Cecidomyia 



Erica', ii. 547. 



distribution in Istria. i. 306. 



Erica caffra. details of leaves, i. 301. 302. 

 Erica carnea and galls of Cecidomyia Eric», 



ii. 547. 



depth of flower, ii. 180. 



geitonogamy, ii. 328, 329. 



inflorescence and flowers, ii. 329. 



pollination, ii. 129. 



stamen, ii. 329. 



Erica cinerea, i. 305. 



Erica Mackayi, hybrid of E. ciliaris X E, 



Tetralix. ii. 586. 

 Erica Tetralls, i. 305. 

 Erica vestita. rolled leaves, i. 301. 

 Ericacese, ii. 768. 



— Cape, number and variety, i. 305. 



— dichogamy in, ii. 312. 



— geitonogamy in, iL 328. 



— hair-like cuticular filaments, i. 310. 



— heterostylism in. ii. 398. 



— hybrids among, ii. 585. 



— in Alps, i. 489. 



— mycorhiza in, i. 91, 251. 



— pollen tetrads, ii. 97. 

 Erigeron, autogamy, ii. 359. 



— natural hybrids, ii. 585. 

 Erigeron alpiuum, dichogamy, ii. 312. 

 Erineum quercinum, former gall-name, ii. 



529. 



Eriodendron, fruit and seed, ii. 423, 424. 



Eriodendron caribieum, buttress- roots, L 756. 



Eriophorum. ii. 748. 



Eriophorum angustifolium, plumed fruits, ii. 

 857. 



Eriophorum vaginatum, difBculty of culti- 

 vation. L 113. 



Eristalisarbustorum, on Phlox and Solidago, 

 ii, 166. 



Erodium, fruit-anchoring, i. 616. 



— fruit-planting, i. 619. 



— nectaries, ii. 175, 



Erodium Cicutarium. cotyledons, i. 621. 



opening and closing, iL 212. 



Ervum. behaviour to own and foreign pollen, 

 ii. 407. 



— tendrils, i. 692. 

 Eri'ugium, geitonogamy, iL 323. 



— pollen deposition, ii. 278. 



— protogynous, Ü. 311. 



Eryngiujn alpinum, coloured bracts, ii. 183. 

 Eryngium amethystinum. at Trieste, L 451, 



coloured inflorescence stalks, ii. 185. 



spinose leaves, i. 43S. 



Eryngium bromelia?folium,&c,, geographical 

 distribution, i. 438. 



leaves, i. 438. 



Eryngium campestre and cattle, i. 451. 

 Erj'ogium creticum, coloured inflorescence 



stalks, ii. 185. 

 Erysimum, hairs, i. 321. 

 Er>simum odoratum. scent, ii. 202. 

 Erysiphe, development of embryo, ii. 60. 

 Erysiphe Tuckeri, destructive vine parasite, 



L 166; Ü. 677. 

 Erysipheie, asci and ascospores, ii. 19. 



— description, ii. 677. 



— fertilization, &c.. ii. 59. 

 Erythraea, alluring petals, ii. 170. 



— dehiscence of pollen-.'sacs, ii 93. 



— grooving of stem, i. 95. 



— opening of flower, ii. 212. 



— protection of pollen, ii. 113. 



— Btigma, ii. 281. 



Ery thnea Centaurium. duration of flowenng, 



ii. 213. 



stamen, ii. 91. 



Erythnea pulchella, corolla and autogamy, 



ii. 366. 



duration of flowering, ii. 213. 



Erythrina crista-galli, &c , scarlet flower, ii. 



196. 

 Erythronium, iL 731. 



— protogynous, ii. 311. 



Ei-ythrouium Dens-Canis, leaf-bud, emerging 

 from soil, i. 640. 



Erythrophyll, of Florideaj, fluorescence, U. 



388. 

 Erythryneaj, prickles, i. 433. 

 Eschscholtzia, flower shape, ii. 167 



— beterostyly, iL 303. 



— seed-dispersal, ii. 838. 



Eschscholtzia Califomica, cotyledons, i. 621. 



duration of flowering, iL 213. 



heteroatyly. iL 302. 



protection of pollen from rain, ii. 112, 



114. 

 "E.<ipigo de sangue", Brazilian name of 



Helosis. L 193. 

 Ethane, i. 453. 

 Ether and radiation, i. 518, 

 Ethereal oils, i. 461. 

 Euactis, circular movements, i. 684. 



— habit, L 589. 



— lime-incrusted, i. 260. 



Euastropsis, structure and reproduction, iL 



639. 

 Euastrum oblongima, ii. 492, 655. 

 Eucalyptus, bark, L 720. 



— capsule, ii. 431, 432. 449. 



— unprotected pollen, iL 107. 



— vertical leaf-blades, i. 335. 

 Eucalyptus amygdalina, i. 723. 

 Eucalyptus coriaceus. cotyledons, L 621. 

 Eucalyptus globulus, flower-bud and fruit, 



ii. 782. 



variety of foliage, ii. 471. 



Eucalyptus orientalis. cotyledons. L 621. 



Eudorina, life-history, iL 633. 



Eugenia, venation, L 631. 



Eugenol. See Oil of doves. 



Euglena and Polj-phagus Euglenae, ii. 671. 



— saprophytic, L 103, 

 Euglenaa, i. 63. 



— food-absorption, i. 113. 



— various habitats, L 105. 

 Euglenopsis. life-cycle, ii. 636. 



Eulalia japonica. protection of stomata from 

 moisture, i. 294, 



weather-cock leaves, i. 427. 



Euonymus, aril. ii. 425. 



— honey and pollination, ii. 173, 179. 

 Euonymus Europaeus. L 4S7 ; ii. 173. 



flowering branch, iL 778. 



Euonymus verrucosus, i. 4S7. 



mite-galls, ii. 529. 



Eupatorium cannabinum. &e.. geitonogamy, 



ii. 319, 320. 

 Euphorbia, axillary buds, ii. 29. 



— filament of stamen, ii. 87. 



— hybrids. iL 584. 



— laticiferous tubes, i. 470. 



— nectaries, ii. 173. 



— ovary, ii. 76. 



— pollen-grain, ii. 100. 



— protection of pollen, ii. 124. 



— protogynous, ii. 313. 



— starch, i. 459. 



Euphorbia amygdaloides, anthocyanin. i. 520. 



Euphorbia coerulescens, spines, i. 446. 



Euphorbia Cyparissias, and galls of Ceci- 

 domyia Euphorbise, ii. 547. 



and Uromyces Pisi, ii. 525. 



radical buds, ii, 28. 



scent, iL 202. 



Euphorbia dulcis, scaly stem, i, 652, 



Euphorbia Peplus and vulgaris, buds on 

 hypocotyl, ii. 28, 



Euphorbia spinosa, spinosity, i. 444. 



Euphorbia splendens and polychroma, col- 

 oured bracts, ii. 183. 



Euphorbiaceje. ii. 756. 



— cactiform, i. 327, 



geographical distribution, L 328. 



habitat, i. 328. 



organization, L 328, 



oxalate of lime, L 328. 



— dehiscence of pollen-sacs, iL 92. 



— distribution of sexes, ii. 297. 



— monoecious, protogynous, iL 313. 



— odourless, i. 431. 



— parthenogenesis in, ii, 465. 



— "Phrygian", i. 444. 



