Eohinocactus Tetani, scent, ii. 201. 



time open, ii. 213. 



Eohinophoraspinosa, "spinose leaves", 1.438. 

 Echinops, spiny leaves, i. 438. 

 Echinopsis, autogamy, ii. 347. 

 Echinopsis cristata, size of flowers, ii. 185. 

 Echium, bristles, i. 441. 



— cross-fertilization, ii. 301. 



— insects and pollen, ii. 245. 



— protandrous, ii. 311. 



— stamens as insect platform, ii. 225. 



— unfolding of inflorescence, i. 744. 

 Echium Italicum, bristles, i, 439. 

 Echium vulgare, pollen-grains, ii. 97. 

 Ectocarpacese, structure, &o., ii. 661. 

 Ectocarpus, host of Entoderma, Ii. 652. 

 Ectocarpus siHoulosus, fertilization, ii. 661. 

 Ectoplasm, i. 34, 57, 72, 569. 



Edelraut. See Artemisia MutelUna. 

 Edelweiss. See Cfnaphalium Leontopodium. 

 Edelweiss of Himalayas, i. 316. 

 Egg-apparatus=archegonium, ii. 478. 



constituents, ii. 416. 



Egg-cell, behaviour in fertilization, ii. 417. 



of Fern, ii. 472. 



development after fertilization, ii. 475. 



with spermatozoids, of Fucus vesicu- 



losus, ii. 664. 

 Egg-cells, in Gymnosperms, ii. 418. 



of Fucus vesiculosus, discharge, ii. 663. 



Eggs, of Chlorophycese, ii. 628. 

 Egyptian desert regions, hairiness of plants, 

 1. 318. 



— graves, preservation of fruits, &c., in, i. 



262. 

 Eichler, ii. 605, 616. 

 Eismanner, of May, i. 539. 

 Elseagnus, hair-scales, i 322, 324; ii. 752. 



— scent, ii. 209. 



Elaphomyces, forms mycorhiza, ii. 678. 



— fruit, ii. 678. 



Elaters, of AnthocerotaceEs, ii. 698. 



— of Bquisetum, ii. 712, 713. 



— of HepaticsB, function, ii. 16, 696, 813. 

 Elatine Alsinastrum, aerial and submerged 



leaves, ii. 505. 

 Elbe, self-purification, i. 265. 

 Elder. See Samhucus nigra. 



— Dwarf. See Samhucus Ebulus. 



— Red-berried. See Sambucus racemosa. 



— scent, ii. 202. 



Eleanthus, flour-like coating on lip, ii. 169. 

 Electric phenomena, in Dionsea, i. 151. 

 Elephant, agent in dispersion of Rafflesia 



seeds, i. 199. 

 Eleutheropetalae, of Brauo, ii. 605. 

 Elevation and colour, ii. 511. 



— and date of blossoming, &c., i. 525, 526. 

 Elm. See Ulmus. 



Elodea, L 77, 665 ; ii. 739. 



— effect of heat on, i. 553. 



Elodea Canadensis, pollination, ii. 133. 



propagation by offshoots, ii. 457. 



Elvend Kuh, features of vegetation, ii. 457. 

 Elymus, pollination, ii. 142. 

 Elymus mollis, and cold, i. 547. 

 Embryo, detachment from parent, ii. 450, 



— development in Phanerogams, ii. 420. 



— differentiation, i. 596, 750. 



— equipment for journey, ii. 423. 



— meaning of term, ii. 47. 



— nutrition, i. 598 et seq. 



— of Aspergillese, ii. 60. 



— of Centrospermse, ii. 750. 



— of Ohara, ii. 64. 



— of Oynomorium, i. 198. 



— of Ehrsiphese, ii. 59. 



— of Feras, ii. 68. 



— of Graminese, i. 604. 



— of Orobanchese, i. 184. 



— of parasitic Phanerogams, i. 176, 183. 



— of Rhizophora, nutrition, germination, 



&c., i. 602. 



— protection and climate, ii. 447. 



— protective coverings, i. 601. 



— undifferentiated, i. 647. 

 Embryo-cell of Angiosperms, ii. 421. 



Vol. II. 



INDEX. 



Embryogeny, of Selaginella, ii. 715. 

 Embryonic cell, ii. 417. 

 Embryo-sac, i. 598. 



— and contents, ii. 416. 



— homology, ii. 478, 717. 



— of Gymnosperms, ii. 418. 



— of Monotropa, ii. 417. 

 Emericellavariecolor, agasteroliohen, ii. 695. 

 "Empalement" or calyx, ii. 210. 

 Erapetraceaa, ii. 768. 



Empetrum, and animals, i. 432. 



— mycorhiza, i. 251. 



— rolled leaf of, i. 300. 

 Empetrum nigrum, i. 305, 490. 



outicular rods on leaves, i. 302. 



Empis, sheltering in flowers, ii. 163. 

 Empleurum serrulatum, stamen, ii. 87. 

 Empusa, spore-dispersal, ii. 824. 

 Empusa Muscse, life-cycle, ii. 672. 



mould on flies, i. 168. 



Emulsin, i. 465. 



Enalus, ii. 739. 



Enalus acoroides, geographical distribution, 

 ii. 133. 



pollination, ii. 133. 



Encephalartos, cotyledon in germination, i. 

 606. 



— spinose leaves, i. 438. 



Encysted Plasmodium of Myxomycetes, ii. 



619. 

 Endemic diseases, cause of, i. 506. 



— species, examples, ii. 882. 

 importance of, ii. 903. 



liability to extinction, ii. 901. 



Endlicher, system of, ii. 603, 604. 

 Endocarpon, a pyrenolichen, ii. 695. 

 Endocarpon miniatum, situation on a marble 



column, i. 247. 

 Bndogenge, of De Candolle, ii. 603. 

 Endophyllum Sempervivi, on House-leek, ii. 



523. 

 Endoplasm, i. 34. 

 Endosmosis. See Osmosis. 

 Endosperm, i. 598. 



— absence in Gourd, i. 610. 



— homology, ii. 717. 



— of Gymnosperms, ii. 418. 



— origin and nature, ii. 421. 

 Endosphseracese, description, ii. 637, 638. 

 Bndospore, of Bacteria, ii. 623. 

 Energy and fermentation, i. 509. 



— conversion of, by plant, i. 378. 



— kinetic, i. 492. 



— of respiration, measurement, i. 495. 



— potential, i. 492. 



— transformation by plant, i. 492. 

 England, flora of, i. 6. 



Engler. ii. 605. 



Ennobling, application of term, i. 213. 



— methods of, i. 214. 



— success in, ii. 554. 



Entada gingolobium, stranded in Worway, 



ii. 879. 

 Enteromorpha, range, i. 390. 



— structure, &c., ii. 648. 

 Entoderma, endophytic, ii. 652. 

 Entomophilous Arctic and other plants, 



percentage of autogamous species, ii. 400. 



— plants, ii. 129, 583. 

 Entomophthorese, ii. 672. 



Entyloma A.schersonii, gall on Helichrysum, 



ii. 521. 

 Entyloma Magnusii, gall on GnaphaUum, ii. 



521. 

 Environment and origin of species, ii. 596. 

 Enzyme-like poison of stinging hairs, i. 441. 

 Enzymes and gall formation, ii. 551. 



— nature, function, &c., i. 464, 465. 

 Epacridacese, pollen tetrads, ii. 97. 

 Epacridea, i. 306; ii. 768. 



— aad animals, i. 432. 



— mycorhiza on, i. 91, 251. 



— symbiosis with different Fungi iu different 



localities, i. 252. 

 Epacris, pollen tetrads, ii. 97. 

 Epbebe Kerneri, ii. 694. 

 a gelatinous Lichen, i. 244. 



945 



Ephedra, i. 376. 



— chlorenchyma, i. 332. 



— description and details, ii. 726. 



— dioecious, ii. 299. 



— egg-cellB and fertilization, ii. 418. 



— flowering at Kew, ii. 474. 



— ovule and fertilization, ii. 415. 



— reserve-buds, ii. 33. 



— seed envelope, ii. 441. 



— various species, protection of stomatfl, 



from moisture, i. 296. 



Ephemeral flowers, ii. 212. 



protogyny in, ii. 310. 



Ephydatia (Spongilla) fluviatilia and Trento- 

 pohlia apongophila, ii. 653. 



Bpicotyl, i. 596. 



Epidemics, cause of, i. 506. 



Epidendrese, ii. 738. 



Epidendrum elongatum, amount of water- 

 absorption in moist air, i. 222. 



Epidendrum Lindleyanum, duration of flow- 

 ering, ii. 214. 



Epidermis, i. 469. 



— as conducting apparatus, i. 369. 



— cells, adaptation to function, i. 369 



— functions in bifacial leaf, i. 370. 



— in rolled leaves, i. 302. 



— many-layered, i. 369. 



— of leaf, wettable and non-wettable parts, i. 



230. 



— of leaves, in relation to transpiration, i. 



226, 280, 309. 



— of succulents, i. 329. 



— of young stem, i. 719. 



— transmission of carbonic acid, i. 368. 

 Epilobium, alternation of cross- and self- 

 pollination, ii. 335. 



— autogamy, ii. 335, 352. 



— grooving of stem, i. 95. 



— hybrids, ii. 584. 



— poUen, ii. 104. 



— seed-hairs, ii. 424. 



— thin places of pollen-grain, ii. 102. 

 Epilobium alsinefolium and E. palustre, 



established hybrid of, ii. 591. 

 Epilobium angustifolium, autogamy, ii. 354. 



inflorescence, ii. 309, 354. 



nectary concealment, ii. 181. 



opening of flower, ii. 212. 



ovary, ii. 77. 



pollen deposition, ii. 278. 



pollen-grains with viscin threads, ii. 



101. 



protandrous flowers, ii. 309- 



re-erection of inflorescence, i. 744, 



subterranean runners, ii. 453. 



visited by bees, ii. 195. 



Epilobium collinum, duration of flowering, 



ii. 213. 



opening of flower, ii. 212. 



plumed seeds, ii. 858. 



Epilobium hirsutum, cohering pollen-grains, 



ii. 97. 



colour-contrast of flowers, ii. 189. 



- protection of pollen, ii. 121. 

 EpUobium montanum, anthocyanin, i. 520. 



cohering pollen-grains, ii. 97. 



colour-contrast of flower, ii. 189. 



protection of pollen, ii. 121. 



Epilobium parviflorum, autogamy, ii. 335. 

 Epilobium roseum, protection of pollen, ii. 



121. 

 Epflobium scaturiginum, an established 



wild hybrid, ii. 591. 

 Epimedium, anthocyanin, i. 484. 



— dehiscence of pollen-sacs, ii. 93, 95. 



— flower and autogamy, ii. 349. 



— nectaries, ii. 178. 



Epimedium alpinum, autogamy, ii. 347. 



flower, ii. 236. 



Epipactis, habitat and foliage, i. 110. 



— nectary, ii. 176. 



Epipactis and Cephalanthera, hybridization, 



ii. 583. 

 Epipactis latifolia, abortive stamens, ii. 253. 



pollination, ii. 254, 255, 283. 



Epipactis microphylla, radical buds, ii. 28. 

 110 



