946 



INDEX. 



Epipactis speciosa, and other hybrids, ii. 



583. 

 Epiphragni, of Polytrichum peristome, ii. 



703. 

 EpiphyUous 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 



hyphse, i. 115. 



— nutrition, i. 116. 



— on epiphytes, i. 116. 



Epiphytism, among Marine Algae, 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 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. 

 Equisetaceae, 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. 

 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 fertUe shoots, i. 653 ; ii. 14, 



476. 

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

 Equisetum hiemaJe, 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 hienialis, duration of flowering, ii. 



213. 

 Eremosphaera, ii. 636. 

 Eremurus, aphide mimicry, ii. 327. 



— behaviour of styles, i. 740. 



— geitonogamy, 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, u. 330, 585. 



— pollen sprinkling, ii. 275. 



— pollen tetrads, u. 97, 104. 



— sticky stigmas, ii. 282. 



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



Erica arborea and galls of Cecidomyia 



Ericaj, ii. 547. 



distribution in Istria, i. 306. 



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

 Erica carnea and galls of Cecidomyia Ericae, 



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 filaments, i. 310. 



— heterostyUsm 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, buttress-roots, i. 756. 



Eriophorum, ii. 748. 



Eriophorum angustif olium, plumed fruits, ii. 

 857. 



Eriophorum vaginatum, difiBculty of culti- 

 vation, i. 113. 



Eristalis arbustorum, on Phlox andSolidago, 

 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. 

 Eryngium, 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 bromeliaefolium, &c., geographical 

 distribution, i. 438. 



Eryngium campestre and cattle, i. 451. 

 Eryngium creticum, coloured inflorescence 



stalks, ii. 185. 

 Erj'simum, 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 ascospores, ii. 19. 



— description, ii. 677. 



— fertilization, &c., ii. 59. 

 Erythriea, 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. 



Erythraea Centaurium, duration of flowering, 

 ii. 213. 



stamen, ii. 91. 



Erythraea 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 Dens-Canis, leaf-bud, emerging 

 from soU, i. 640. 



Erythrophyll, of Florideae, fluorescence, ii 



388. 

 Erythryneae, prickles, i. 433. 

 Eschscholtzia, 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. 

 "E.spigo 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, J. 631. 



Eugenol. See Oil of cloves. 



Euglena and Polyphagus Euglenae, ii. 671. 



— saprophytic, i. 103. 

 Eiiglenai, i. 63. 



— food-absorption, i. 113. 



— various habitats, i. 105. 

 Euglenopsis, life-cycle, ii. 635. 



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 Europajus, 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, 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 Pisi, ii. 525. 



radical buds, ii. 28. 



scent, U. 202. 



Euphorbia dulcis, scaly stem, i. 652. 



Euphorbia Peplus and vulgaris, buds on 

 hypocotyl, ii. 28. 



Euphorbia spinosa, spinosity, i. 444. 



Euphorbia splendens and polychroraa, col- 

 oured bracts, ii. 183. 



Euphorbiaceae, 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", L 444. 



