946 



INDEX. 



EpipactiB speciosa, and other hybrids, ii. 



583. 

 Epiphragm, of Polytrichum peristome, ii. 



703. 

 EpiphyllouB buds, ii. 37, 40, 44. 



— shoots, ii. 37. 



Epiphyte, meaning of term, i. 66. 

 Epiphytes, adventitious roots, i. 751. 



— aerial roots, i, 753. 



— favourite bark, i, 720. 



— formerly treated as parasites, i. 159. 



— mode of growth of roots, rhizolds, or 



hyphse, i. 115. 



— nutrition, i. 116. 



— on epiphytes, i. 116. 

 Epiphytism, among Marine Algae, i. 161. 

 Epipogiimi, i. 184, 655. 



— absorbent ceUs, 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 foliage, i. 110. 



pollination, ii. 257. 



rapid growth of flowering stem, i. 118. 



Episcia bicolor, epiphyllous buds, ii. 43. 

 Epithemia, cold resistance, i. 542. 

 Eq.uisetaceEe, 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 aiumals, 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, 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, ii. 14, 712. 

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

 Equitant leaves, i. 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. 

 Eremoaphsera, ii. 636. 

 Eremurus, aphide mimicry, ii. 327. 



— behaviour of styles, i. 740. 



— geitonogamy, ii. 326. 



Eremurus aUaicus, &c., aUuring tissue, ii. 



171. 

 Eremurus Oaucasicus, inflorescence, ii. 309. 

 Ergot of Rye. See Clamceps purpurea. 

 Ergotism, ii. 681. 

 Erica, dispute about name, i. 5. 



— hybridization in, ii. 330, 585, 



— pollen sprinliling, ii. 275, 



— pollen tetrads, ii. 97, 104. 



— sticky stigmas, ii, 282. 



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



Erica arborea and galls of Oecidomyia 



EricsB, ii. 547. 



distribution in Istria, i. 306. 



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

 Erica carnea and galls of Oecidomyia Ericse, 



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, 



Tetralii, ii, 586, 

 Erica Tetralls, i 305, 

 Erica vestita, rolled leaves, i. 301. 

 Ericaceae, ii 768. 



— Cape, number and variety, i. 306, 



— dichogamy in, ii. 312. 



— geitonogamy in, il 328, 



— hair-like cuticular filaments, L 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 aJpinum, dichogamy, ii. 312. 

 Erineum quercinum, former gall-name, ii, 



529. 



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



Eriodendron caribEeum, buttress-roots, i. 756. 



Eriophorum, ii. 748. 



Eriophorum angustif oUum, plumed fruits, ii. 

 857. 



Eriophorum vaginatum, dJfBculty of culti- 

 vation, i. 113, 



Eristalis arbustorum, on Phlox andSolidago, 

 u. 166, 



Erodium, fruit-anchoring, 1. 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. 

 Erynginm, geitonogamy, ii. 323, 



— pollen deposition, ii. 278, 



— protogynous, ii, 311. 



Eryngium alpinura, coloured bracts, ii, 183. 

 Erynginm amethystinum, at Trieste, i, 451. 



coloured inflorescence stalks, ii, 185. 



spinose leaves, i. 438. 



Eryngium bromeliEefoUum,&c., geographical 

 distribution, i, 438. 



leaves, i. 438. 



Eryngium campestre and cattle, i. 451. 

 Eryngium creticum, coloured inflorescence 



stalks, ii. 185. 

 Erysimum, hairs, 1. 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, &c., ii. 59. 

 Erythrsea, alluring petals, ii. 170. 



— dehiscence of poUen-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, &c., scarlet flower, ii. 



196. 

 Erythronium, ii. 731. 



— protogynous, ii. 311. 



Erythronium Bens-Canis, leaf -bud, emerging 

 from soil, i. 640. 



Erythrophyli, of Floridese, fluorescence, ii. 



388. 

 Erythryneae, prickles, i. 433. 

 Eschscholtzia, flower shape, ii. 167 



— heterostyly, ii, 303. 



— seed-diapersal, 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, 1. 631. 



Eugenol. See Oil of cloves. 



Euglena and Polyphagus EuglenK, ii 671 



— saprophytic, i 103. 

 Euglenae, i. 63. 



— food-absorption, i. 113. 



— various habitats, i. 105. 

 Euglenopsis, life-cycle, ii. 636. 



Eulaiia 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, 



u. 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 ccerulescens, spines, i 446. 



Euphorbia Cyparissias, and galls of Oeci- 

 domyia Euphorbiae, ii. 547. 



and Uromyces Pisi, ii. 525. 



radical buds, ii. 28. 



scent, ii. 202. 



Euphorbia dulcis, scaly stem, i. 652. 



Euphorbia Peplus and vulgaris, buds on 

 bypocotyl, ii 28. 



Euphorbia spinosa, spinosity, i. 444. 



Euphorbia splendens and polychroma, col- 

 oured bracts, ii. 183. 



EuphorbiacesB, 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. 



— _moncecious, protogynous, ii, 313. 



— odourless, i. 431, 



— parthenogenesis in, ii. 465. 



— "Phrygian", i. 444. 



