946 



INDEX. 



Epipactia speciosa, and other hybrids, ii. 



583. 

 Epiphragm, of Polytrichum peristome, ii. 



703. 

 Epiphylloua buds, ii. 37, 40, 44. 



— shoots, ii. 37. 



Epiphyte, meaning of term, i. 56. 

 Epiphytes, adTentitious roots, i. 751. 



— aerial roots, i. 753. 



— favourite bark, 1. 720. 



— formerly treated as paraBites, i. 159. 



— mode of growth of roots, rhizoids, or 



hyphffl, i. 115. 



— nutrition, i. 116. 



— on epiphytes, i, 416. 



Epiphytism, among Marine AJgse, 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 aphyllum, ii. 201. 



absorptive ceUa 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. 

 Epitbemia, cold resistance, i. 542. 

 Eauisetacese, alternation of generations, ii. 

 476. 



— antheridia and fertilization, ii. 68. 



— apical-cell, i. 579. 



— description, ii. 711. 



— Palaeozoic, ii. 612. 



— prothaUium, ii. 68. 



— sporangia and spore-formation, ii. 14. 

 Equisetales, ii. 711. 



— fossil remains, ii. 713. 



— sporophyte characteristics, ii. 704. 

 Equiaetum, 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, i. 653 ; ii. 14, 



476. 

 Eauisetum giganteum, &o., height, IL 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. 

 ErantMs, colour of sepals, ii. 183. 



— germination, i. 622. 



— movemeute 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, 11. 



213. 

 EremoBphsera, ii. 636. 

 Eremurua, aphide mimicry, ii. 327. 



— behaviour of styles, i. 740. 



— geitonogamy, ii. 326. 



Eremurus altaicuB, &o., alluring tissue, ii. 



171. 

 Eremurus Oaucasicus, inflorescence, ii. 309. 

 Ergot of Rye. See Claviceps pwrpurea. 

 Ergotism, ii. 681. 

 Erica, dispute about name, i. 6. 



— hybridization in, ii. 330, 585. 



— pollen sprinkling, ii. 275. 

 -T- poUen tetrads, ii. 97, 104. 



— sticky stigmas, ii. 282. 



— suitable sub&tratuin, i. 250 ; ii, 498. 



Erica arborea and galls of Cecidomyia 



EricEe, ii. 547. 



distribution in latria, i. 306, 



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

 Erica carnea and galls of Cecidomyia 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, 



Tetralix, ii. 586. 

 Erica Tetralix. 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 fllaments, 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 gall-name, ii. 



529. 

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

 Eriodendron caribseum, buttreas-roota, i. 756. 

 Eriophorum, ii. 748. 

 Eriophoruin angustif olium, plumed fruits, ii. 



857. 

 Eriophorum vaginatum, difQculty of culti- 



vation, i. 113. 

 Eristalis arbustorum, on Fhlox and Solidago, 



ii. 166. 

 Erodium, fruit-anchoring, i. 616, 



— fruit-planting, i. 619. 



— nectaries, ii. 175. 



Erodium Cicutarium, cotyledons, i. 621. 



opening and clpsing, ii. 212. 



Ervum, behaviour to own and foreign pollen, 

 ii. 407. 



— tendrils, i, 692. 

 Eryiigium, geitonogamy, ii. 323. 



— pollen deposition, ii. 278. 



— protogynous, ii. 311. 



Eryngium alpinum, coloured bracts, ii. 183. 

 Eryngium amethystinum, at Trieste, i. 451. 



coloured inflorescence stalks, ii. 185. 



spinose leaves, i. 438. 



Eryngium bromeliBefolium, &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 vioe parasite, 



i. 166; ii. 677. 

 Erysipheae, asci and ascospores, ii. 19. 



— description, ii. 677. 



— fertilization, &c., ii. 59. 

 Erythraa, 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. 



Erythrsea Centaurium, duration of flowering, 

 ■ ii.,213. 



stamen, ii. 91. 



Erytbreea pulohella, corolla and autogamy, 

 ii, 366. 



duration of flowering, ii. 213. 



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



196. 

 Erythronium, ii. 731. 



— protogynous, ii. 311. 



Erythronium Dens-Gauia, leaf -bud, emerging 

 from soil, i. 640. 



Erythrophyll, of Floridese, fluorescence, ii. 



388. 

 Erythrynece, prickles, i. 433. 

 Eschscholtzia, flower shape, iL 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 



Heloais, i. 193. 

 Ethane, i. 453. 

 Ether and radiation, i, 518. 

 Ethereal oils, i. 461. 

 Euactis, circular movemente, i. 684. 



— habit, i. 589. 



— lime-incrusted, i. 260. 



Euastropsis, structure and reproduction, il 



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 67L 



— saprophytic, i. 103. 

 EugleuEe, i. 63. 



— food-absorption, i. 113, 



— various habitats, i. 105. 

 Euglenopsis, life-cycle, ii. 636. 



Eulalia japouica, 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 caunabinum, &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, iL 100. 



— protection of pollen, ii. 124. 



— protogynous, ii. 313. 



— starch, i. 459. 



Euphorbia amygdaloides, anthocyai^, 1 520. 



Euphorbia coerulescens, spines, i. 446. 



Euphorbia Cyparissiaa, and galls of Ceci- 

 domyia EuphorbisB, ii. 547. 



and Uromycea Pisi, 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, ii. 183. 



Euphorbiacese, ii. 756, 



— cactiform, i. 327. ' 



geographical distribution, i. 328. 



habitat, i. 328. 



organization, i. 328. 



oxalate of lime, i. 328. 



— dehiscence of pollen-sara, ii. 92. 



— distribution of sexes, ii. 297. 



— monoecious, protogynous, ii. 313. 



— odourless, i. 431. 



— parthenogenesis in, ii. 465. 



— "Phrygian", i. 444. 



