946 



INDEX. 



Epipactis speciosa, and other hybrids, ii. 



583. 

 Epiphragm, of Polytrichmn peristome, ii. 



703. 

 Epiphyllous buds, ii. 37, 40, 44. 



— shoots, ii. 37. 



Epiphyte, meaning of term, i. 56. 

 Epiphytes, adventitious roots, i. 751. 



— aerial roots, i. 753. 



— favourite bark, i. 720. 



— formerly treated as parasites, i. 159. 



— mode of growth of roots, rhizoids, or 



hyphae, i. 115. 



— nutrition, i. 116. 



— on epiphytes, i. 116. 



Epiphytism, among Marine Algee, i. 161. 

 S^ipogium, 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 aphyllum, ii. 201. 



absorptive cells and food-absorption, i. 



114. 



description, i. 111. 



flower, &.C., ii. 226. 



habit, ii. 737. 



habitat and foHage, 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. 



— Palseozoio, ii. 612. 



— prothaUium, ii. 68. 



— sporangia and spore-formation, il 14. 

 Equisetales, ii. 711. 



— fossil remains, ii. 713. 



— sporophyte characteristics, ii. 704. 

 Equisetum, and animals, i. 432. 



— arrangement of stomata, i. 280. 



— elaters, function of, ii. 816. 



— number of species, ii. 711. 



— silica in, ii. 712. 



— silicic acid in, i. 67. 



— switch-plants, i. 330. 



Equisetum arvense and E. limosum, hybrid 



of, ii. 582. 



fertile shoot, ii. 712. 



spores with elaters, ii. 712. 



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



476. 

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

 Equisetum hiemale, commercial use, il 713. 

 Equisetum inundatum, hybrid, ii. 582, 

 Equisetum limosum, necessary soil, il. 612. 

 Equisetum sylvaticum, ii. 14, 712. 

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

 Equitant leaves, i. 336. 

 Eranthis, colour of sepals, ii. 183. 



— germination, L 622. 



— movements of stamens, ii. 250. 



— nectaries, ii. 179. 



— opening of flower and growth, ii. 220. 



— protection of pollen, ii. 112, 114. 

 Eranthis hiemalis, duration of flowering, ii. 



213. 

 Eremosphaera, ii. 636. 

 Eremtuns, aphide mimicry, ii. 327. 



— behaviour of styles, i. 740. 



— geitonogamy, ii. 326. 



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



171. 

 Eremurus Caucasicus, inflorescence, ii. 309. 

 Ergot of Bye. See Ckiviceps purpurea. 

 Ergotism, ii. 681. 

 Erica, dispute about name, i. 5. 



— hybridization in, il 330, 585. 



— pollen sprinkling, ii. 276. 



— pollen tetrads, ii. 97. 104. 



— sticky stigmas, ii. 282. 



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



Erica arborea and galls of Cecidomyia 



Ericas, ii. 547. 



distribution in Istria, i, 306. 



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

 Erica carnea and galls of Cecidomyia Ericas, 



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. 



Tetrahi, ii. 586. 

 Erica Tetrallx, i. 305. 

 Erica vestita, rolled leaves, i. 301. 

 Ericaceae, ii. 768. 



— Cape, number and variety, i. 306. 



— dichogamy in, ii. 312. 



— geitonogamy in, ii. 328. 



— hair-like cuticular filaments, i. 310. 



— heterostylism in, ii. 398. 



— hybrids among, ii. 535. 



— in Alps, i. 489. 



— mycorhiza in, i. 91, 251. 



— pollen tetrads, ii. 97. 

 Erigeron, autogamy, ii. 359. 



— natmral hybrids, ii. 585. 

 Erigeron alpinum, dichogamy, ii. 312. 

 Brineum quercinum, former gall-name, ii. 



529. 



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



Eriodendron caribeeum, buttress-roots, i. 756. 



Eriophorum, ii. 748. 



Eriophonimangustifolium, plumed fruits, ii. 

 857. 



Eriophorum vaginatum, difficulty of culti- 

 vation, i. 113. 



Eristalis arbustorum, on Phlox and SoUdago, 

 ii. 166. 



Erodium, fruit-anchoring, i. 616. 



— fruit-planting, i. 619. 



— nectaries, ii. 175. 



Erodium Cicutarium, cotyledons, i. 621. 



opening and closing, ii. 212. 



Ervum, behaviour to own and foreign pollen, 

 ii. 407. 



— tendrils, i. 692. 

 Eryugium, geitonogamy, ii. 323. 



— pollen deposition, ii. 278. 



— protogynous, ii. 311. 



Eryngium alpinum, coloured bracts, ii. 183. 

 Eryngium amethystinum, at Trieste, L 451. 



coloured inflorescence stalks, ii. 185. 



spinose leaves, i. 438. 



Eryngium bromeliEefolium,&c., geographical 

 distribution, i. 438. 



leaves, i. 438. 



Eryngium campestre and cattle, i. 451. 

 Eryngium creticum, coloured inflorescence 



stalks, ii. 185. 

 Erysimum, hairs, i. 321. 

 Erysimum odoratum, scent, ii. 202. 

 Erysiphe, development of embryo, ii. 60. 

 Erysiphe Tuckeri, destructive vine parasite, 



i. 166; ii. 677. 

 Erysipheae, asci and ascospores, ii, 19. 



— description, ii. 677. 



— fertilization, fie, ii. 59. 

 Erythr^a, 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. 



— stigma, ii. 281, 



Ery thrasa Centaurium, duration of flowermg, 



ii. 213. 



stamen, ii. 91. 



Erythrsea pulchella, corolla and autogamy, 



ii. 366. 



duration of flowering, ii. 213. 



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



196, 

 Erythronium, il. 731. 



— protogynous, ii, 311. 



Erythronium Dens-Canis, leaf-bud, emerging 

 from soil, i. 640, 



Erythrophyll, of Elorideae, fluorescence, il. 



388. 

 Erythryneae, prickles, i. 433. 

 Eschscholtzia, flower shape, ii. 167 



— heterostyly, ii. 303. 



— seed-dispersal, ii. 838. 



Eschscholtzia Califomica, cotyledons, i. 621. 



duration of flowering, ii. 213. 



heterostyly, ii. 302. 



protection of pollen from rain, ii. 112, 



114, 

 "Espigo de sangue", Brazilian name of 



Helosis, i. 193. 

 Ethane, i. 453. 

 Ether and radiation, i. 518. 

 Ethereal oils, i. 461. 

 Euactis, circular movements, i. 684. 



— habit, i. 589. 



— lime-incrusted, i. 260. 



Euastropsis, structure and reproduction, ii 



639. 

 Euastrum oblongum, ii, 492, 655. 

 Eucalyptus, bark, i. 720. 



— capsule, ii. 431, 432, 449. 



— unprotected pollen, ii. 107. 



— vertical leaf-blades, i, 335. 

 Eucalyptus amygdalina, i. 723- 

 Eucalyptus coriaceus, cotyledons, i. 621. 

 Eucalyptus globulus, flower-bud and fruit, 



ii. 782. 



variety of foliage, ii. 471. 



Eucalyptus orientalis, cotyledons, i. 621. 



Eudorina, life-history, ii. 633. 



Eugenia, venation, i. 631. 



Eugenol. See Oil of cloves. 



Euglena and Polyphagus Euglenae, ii. 671 



— saprophytic, i. 103. 

 Euglenae, i. 63. 



— food-absorption, i. 113. 



— various habitats, i. 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, i. 487; ii. 173. 



flowering branch, ii. 778. 



Euonymus verrucosus, i. 487. 



mite-galls, ii. 529. 



Eupatorium cannabinum, &c., geitonogamy, 



ii. 319, 320. 

 Euphorbia, axillary buds, ii. 29. 



— filament of stamen, ii. 87. 



— hybrids, ii. 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 Euphorbiae, ii. 547. 



and Uromyces Plsi, ii. 525. 



radical buds, ii. 28. 



scent, ii. 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, LL 183. 



Euphorbiaceae, ii. 766. 



— cactif orm, i. 327. 



geographical distribution, i, 328. 



habitat, i, 328. 



organization, i. 328. 



oxalate of lime, i. 328. 



— dehiscence of pollen-sacs, it 92. 



— distribution of sexes, ii, 297. 



— monoecious, protogynous, il. 313. 



— odourless, i, 431. 



— parthenogenesis in, ii. 465. 



— "Phrygian", i. 444, 



