Eohinocactua Tetani, scent, ii. 201. 



time open, ii. 213. 



Echinophoraspinosa, "spinose leaves", 1.438. 

 Echinops, spiny leaves, i. 438. 

 Echinopsis, autogamy, ii. 347. 

 Echinopsis cristata, size of flowers, ii. 185. 

 I 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. 

 EctocarpacejB, structure, &o., ii. 661. 

 Ectocarpus, host of Entoderma, ii. 652. 

 Ectocarpus siliculosus, fertilization, ii. 661. 



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



Eilelraufc. See Artemisia Mutellina. 



Edelweiss. See Onaphalium Lcontopodium. 



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 Fucua vesicu- 



losus, ii. 664. 



Egg-cells, in Gymnosperms, ii. 418. 



] -of Fucus vesiculosus, discharge, ii. 663. 



I Eggs, of Chlorophycese, ii. 628. 

 j Egyptian desert regions, hairiness of plants, 

 i. 318. 



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



262. 

 Eicliler, ii. 605, 616. 

 Eismiinner, of May, i. 539. 

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



— scent, ii. 209. 



Elaphomyces, forms mycorhiza, ii. 678. 



— fruit, ii. 678. 



Elaters, of AnthocerotacesB. ii. 698. 



— of Equisetum, ii. 712, 713. 



— .if Hepaticffl, function, ii. 16, 696, 813. 

 Elatirie Alsinastrum, aerial and submerged 



leaves, ii. 505. 

 Elbe, self-purification, i. 265. 

 Elder. See Sambucus nigra. 



— Dwarf. See Sambucus Ebulus. 



— Hed-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 RaflBesia 



seeds, i. 199. 

 Eleutheropetaloe, of Braun, ii. 605. 

 Elevation and colour, ii. 511. 



— ami date of blossoming, &o., i. 525, 526. 

 Elm. See Ulmus. 



Elodea, i. 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. 

 i Elymus, pollination, ii. 142. 

 j 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 Centrospermze, ii. 750. 



— of Chara, ii. 64. 



— of Cynomoriiim, i. 198. 



— of Erysiphe^, ii. 59. 



— of Ferns, ii. 68. 



— of Graminese, i. 604. 



— of Orobancheje, 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. 7IB. 

 Embryonic cell, ii. 417. 

 Embryo-sac, i. 598, 



— and contents, ii. 416. 



— homology, ii. 478, 717. 



— of Gymnosperms, ii. 418. 



— of Monotrop,i, ii. 417. 



Emericella variecolor, a gasteroliohen, ii. 695. 

 "Empalement" or calyx, ii. 210. 

 Enipetraceae, ii. 768. 

 Empetrura, and animals, i. 432. 



— mycorhiza, i. 251. 



— rolled leaf of, i. 300. 

 Empetnim nigrum, i. 305. 490. 



cuticular rods on leaves, i. 302. 



Empis, sheltering in flowers, ii. 1C3. 

 Empleurum serrulatum, stamen, ii. 87. 

 Empusa, spore-dispersal, ii. 824. 

 Empusa Muscas, life-cycle, ii. 672. 



mould on flies, i. 108. 



Emulsin, i. 465. 



Enalus, ii. 739. 



Enalus acoroides, geographical distribution, 

 ii. 133. 



pollination, ii. 133. 



Encephalartos, cotyledon in germination, 1. 

 606. 



— spinose leaves, i. 438. 



Encysted Plasmodium of Myxomycetee, ii. 



619. 

 Endemic diseases, cause of, i. 506. 



— species, examples, ii. 882. 

 import.ance 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. 

 Endogense, of De Candolle, ii. 603. 

 Endophyllum Sempervivi, on House-leek, ii. 



523. 

 Endoplasm, i. 34. 

 Endosmosis. See Osniosis. 

 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. 

 Endospore, 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 Norway, 



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. 

 Entomophthoreaj, ii. 672. 



Entyloma Aschersonii, gall on Helichrysum, 



ii. 521. 

 Entyloma Magiiusii, gall on Gnaphalium, U. 



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., 1. 464, 465. 

 Epacridaceae, pollen tetrads, il. 97. 

 Epacrideae, i. 306; ii. 768. 



— and animals, i. 432. 



— mycorhiza on, i. 91, 251. 



— symbiosis with different Fungi lu different 



localities, i. 252. 

 Epacris, pollen tetrads, ii. 97. 

 Ephebe Kerneri, ii. 694. 

 a gelatinous Lichen, i. 244. 



9-;5 



Ephedra, 1. 376. 



— chlorenchyma, I 333 



— description and dctalli, II 7C8 



— dioBcious, ii. 299. 



— egg<ell8 anafcrtlllrallon, 11. 418, 



— flowering at Kew, II 474. 



— oTulo and fertilization. 11. 415. 



— rescrro-buda, il, 33. 



— seed envelope, II. 441. 



— various species, protectioa of (tomato 



from moisture, I, 296. 



Ephemeral flowers. 11, 212. 



protogyny In, Ii, 310. 



Ephydatia (Spongilla) fluriatllia aod Timto- 

 pohlia spongophila. U. tel 



Epicotyl. 1. 696. 



Epidemics, cause of, 1. 506, 



Epidendrea;, il. 738, 



Epidendnim elongatum, amount of water- 

 absorption in moist air, I. 222, 



Epidendnim Lindleyanmu, duration of flow- 

 ering, ii, 214. 



Epidermis, i. 469. 



— as conducting apparatus, L 369. 



— cells, ailaptation to function. 1. 38S 



— functions in bifacial leaf, I. 370. 



— in rolled leaves, I, 302. 



— many-layered, i. 369. 



— of leaf, wettableand noD-wettaMe parts, L 



230. 



— of leaves, in relation to transpiration, L 



226, 280, 309. 



— of succulents, i. 329. 



— of young stem, 1. 719. 



— transmission of carbonic acid, I. 368. 

 Epilobium, alternation of cross- aod mU- 



pollination, ii. 335. 



— autogamy, ii. 335, 352. 



— grooving of stem, 1. 95. 



— hybrids, ii. 584. 



— pollen, ii. 104. 



— seed-hairs, ii. 424. 



— thin places of poUen-graia il. 102, 

 Epilobium alsinefoliiim and E. palustre, 



established hybrid of, ii. 591. 

 Epilobium angustifoliuni. autogamy, it. 3M. 



inflorescence, il. 309, 354. 



nectary concealment, ii. 181. 



opening of flower, U. 212. 



ovarj', ii. 77. 



pollen deposition, Ii. 278. 



pollen-grains with viscin threads, IL 



101. 



protandrous flowers, Ii. 309. 



re-erection of infloresconc*-. i. 744. 



subterranean runners, il. 453. 



visited by bees. ii. 195. 



Epilobium coUinum, duration of flowering, 

 ii. 213. 



opening of flower, Ii. 212. 



plumed seeds, Ii. 858. 



Epilobium hirsutum, cohering poUen-fraloi, 

 Ii. 97. 



colour-contrast of flowers, II. 189. 



protection of pollen, II. 121. 



Epilobium montanum. anthocyanln. I. 530. 



cohering pollen-grains, Ii. 97. 



colour-contrast of flower. Ii. 189. 



protection of pollen, il. 121. 



Epilobium panrlflorum. autoeamy, II 333. 

 Epilobium roseum. protection of pollrn, U. 



121. 

 Epilobium scaturiginura. an «t«bli»h«l 



wild hybrid. II. 591. 

 Epimedlum, anthocyanln. I. 484. 



— dehiscence of poUen-aaca. II. 93, «. 



— flower and autogamy, IL 349. 



— nectaries. II. 178. 



Epimedlum alplnum. autogamy. IL 347. 



flower. 11. 236. 



Epipactis, habitat and folla«r, U UO. 



— ncctnr>-. il. 176. 



Epipactis and Cephalanthcra, hybridUaUoo, 



11.583. 

 EpipactU latlfolla. ahortire stameoik IL »>• 



poUinatlon, 11 254. 255. S8X 



EpipactU mIcrophylU. radical boiU U- «• 

 110 



