946 



INDEX. 



Epipactls speciosa, and other hybrids, ii. 



583. 

 Epiphragm, of Polytrichum 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 barlv, 1. 720. 



— formerly treated as parasites, i. 159. 



— mode of growth of roots, rhizoids, or 



hyphse, i. 115. 



— nutrition, i. 116. 



— on epiphytes, i. 116. 



Epiphytism, among Marine AJgse, i. 161. 

 Epipogium, i. 184, 655. 



— absorbent cells, i. 766. 



— nectary, ii. 176. 



— poUen 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 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. 



— Palseozoic, ii. 612. 



— prothallium, ii. 68. 



— sporangia and spore-formation, ii. 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. 815. 



— 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, 1. 653 ; ii. 14, 



476. 

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

 Equisetum hiemale, commercial use, ii. 713. 

 Equisetum inundatum, hybrid, ii. 582. 

 Equisetxim limosum, necessary soil, ii. 612. 

 Equisetum sylvaticum, ii. 14, 712. 

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

 Equitant leaves, 1. 336. 

 Eranthis, colour of sepals, ii. 183. 



— germination, i. 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. 

 Eremosphsera, ii. 636. 

 Eremui-us, aphide mimicry, ii. 327. 



— behaviour of styles, i. 740. 



— geitouogamy, ii. 326. 



Eremiu-us altaicus, &c., alluring tissue, ii. 



171. 

 Eremurus Cauoasicus, 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 and galls of Cecidomyia 



Erlöse, ii. 547. 



distribution in Istria, i. 306. 



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

 Erica carnea and galls of Cecidomyia Ericfe, 



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 Tetralix, i. 305. 

 Erica vestita, roUed leaves, i. 301. 

 Ericacese, 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. 585. 



— in Alps, i. 489. 



— mycorhiza in, i. 91, 251. 



— pollen tetrads, ii. 97. 

 Erigeron, autogamy, ii. 359. 



— natural hybrids, ii. 585. 

 Erigeron alpinum, dichogamy, ii. 312. 

 Erineum quercinum, former gaU-name, ii. 



529. 



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



Eriodendron caribseum, buttress-roots, i. 756. 



Eriophorum, ii. 748. 



Eriophorum angustifolium, plumed fruits, ii. 

 857. 



Eriophorum vaginatum, difficulty of culti- 

 vation, i. 113. 



Eristalis arbustorum, 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, ii. 212. 



Ervum, behaviour to own and foreign poUen, 

 ii. 407. 



— tendrils, i. 692. 

 Eryngium, geitonogamy, ii. 323. 



— pollen deposition, ii. 278. 



— protogynous, ii. 311. 



Eryngium alpinum, coloured bracts, ii. 183. 

 Eryngium amethystiuum, at Trieste, i. 451. 



coloured inflorescence stalks, ii. 185. 



spinose leaves, i. 438. 



Eryngium bromeliffifolium, &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. 

 Erysimum odoratum, scent, ii. 202. 

 Erysiphe, development of embryo, ii. 60. 

 Erysiphe Tuckeri, destructive vine parasite, 



i. 166 ; ii. 677. 

 Erysiphese, asci and asoospores, ii. 19. 



— description, ii. 677. 



— fertilization, &c., ii. 59. 

 Erythnea, 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. 



Erythrt^a Centaurium, duratiorf of flowenng, 

 ii. 213. 



stamen, ii. 91. 



Erythrsea pulchella, corolla and autogamy, 

 ii. 366. 



duration of flowering, ii. 213. 



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



196. 

 Erythronium, ii. 731. 



— protogynous, ii. 311. 



Erythronium Dens-Canis, leaf-bud, emerging 

 from soil, i. 640. 



Erythrophyll, of rioridere, fluorescence, ii. 



388. 

 Erythryneje, prickles, i. 433. 

 E.->chscholtzia, flower shape, ii. 167 



— heterostyly, ii. 303. 



— seed-dispersal, ii. 838. 



Eschscholtzia Californica, 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, structui-e 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 Euglense, ii. 671, 



— saprophytic, i. 103. 

 Euglense, 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 Europseus, i. 487 ; ii. 173. 



flowering branch, ii. 778. 



Euonymus verrucosus, i. 487. 



mite-galls, ii. 529. 



Eupatorium cannabinum, &c., geitonogamy, 



ii. 319, 320. 

 Euphorbia, a.xillary buds, ii. 29. 



— filament of stamen, ii. 87. 



— hybrids, iü 584. 



— laticiferous tubes, i. 470. 



— nectaries, ü. 173. 



— ovary, ii. 76. 



— poUen-grain, ii. 100. 



— protection of pollen, ii. 124. 



— protogynous, ii. 313. 



— starch, i. 459. 



Euphorbia amygdaloides, anthocyanin, i. 520. 



Euphorbia coerulesoens, spines, i. 446. 



Euphorbia Cyparissias, and galls of Ceci- 

 domyia Euphorbiie, ii. 547. 



and Uromyces Pisi, ii. 525. 



radical buds, ii. 28. 



scent, ii. 202. 



Euphorbia dulcis, scaly stem, 1. 652. 



Euphorbia Peplus and vulgaris, buds on 

 hypocotyl, ii. 28. 



■Euphorbia spinosa, spinosity, 1. 444. 



Euphorbia splendeus and polychroma, col- 

 oured bracts, ii. 183. 



Euphorbiaceaj, ii. 756. 



— cactiform, i. 327. 



geographical distribution, i. 328. 



habitat, i. 328. 



organization, i. 328. 



oxalate of lime, i. 328. 



— dehiscence of pollen-sacs, ii. 92. 



— distribution of sexes, ii. 297. 



— monoecious, protogynous, ii. 313. 



— odourless, i. 431. 



— parthenogenesis in, ii. 465. 



— "Phrygian", i. 444. 



