INDEX. 



973 



EotiferiB, resistance to cold, i. 542. 



— symbiosis with Liverworts, i. 225. 

 Rotting, and Fungi, i. 508. 

 Rousseau, lectures on botany, i. 6. 

 Eoyal Fern. See Osmimda regalis. 

 Eubia, stipules, i, 637. 

 Eubiacese, ii. 763. 



Eubus, indumenta of hybrids, ii. 564. 



— innumerable hybrids, ii. 585. 



— many forms of, ii, 900. 



— nectai-y, ii. 174. 



— prickles, i. 676. 



— weaving-stem, i. 672. 



Rubus bifrons, rooting branches, i. 769. 



Eubus OhamjemoruB, water-receptacles, i. 

 239. 



Eubus fruticosus, protective function of air- 

 containing hairs, i, 314. 



Euhus IdsBus, aggregate fruit, ii. 436. 



autogamy, ii. 390. 



flower, ii. 78. 



phyllotaxis, i. 400. 



radical shoots, ii. 27. 



recurrent opening, ii. 213. 



two-coloured leaves and habitat, i. 293. 



Eubus squarrosus, branches, i. 677- 



Eudbeckia f ulgens, colour-contrast in capitu- 

 lum, ii. 191. 



Eumex, authocyanin, i. 484. 



— -dichogamy, ii. 135. 



— geitonogamy, ii. 328. 



— venation, i. 630. 



Rumex Acetosella, radical buds, ii, 28. 

 Eumex alpinus, distribution of sexes, ii. 298. 



imperfect flower, ii. 295. 



pollen dispersion, ii. 143. 



protogyny, ii. 312. 



Rumex nemorosus and R. obtusifolius, dicho- 

 gamy and hybridization, ii. 315. 



distribution of sexes, ii. 298. 



imperfect flowers, ii. 295. 



Rumex nepalensis, hooked fruit, ii. 873. 

 Eumex Patientia, probable hybrid, ii. 592. 

 Eumex scutatus, antholysis, ii. 83. 



pollen dispersion, ii. 143. 



Eumex tuberosus, roots, i. 760. 

 Eunner, adventitious roots, i. 751. 



— dimensions of, ii. 797. 



— nature of, i. 663, 



— production of offshoots by, ii. 802. 

 Ruppia, root origin, i. 766. 

 Ruscus, buds on cladodes, ii. 37. 

 RuscuB aculeatus, cladodes, i. 332. 

 shoot, i. 333. 



spinosity, i. 434, , 



Euscus Hypoglossum, cladodes, i. 333. 

 Eushes, in Alps, anthocyanin, i. 522. 

 Eusselia, scarlet flowers, ii. 196. 

 Eussia, Southern, lowlands of, hairiness of 



plants, i. 318. 

 Eussula, laticiferous, i. 491 ; ii, 689. 

 Eust. See UredinecE. 

 Rust-fungus, teleutoBpores, ii. 24. 

 Euta, capsule, ii. 431. 



— cross-fertilization, ii. 306. 



— pollen-grain, ii. 100. 



Ruta graveolens, flower, 11. 306. 



scent, ii. 202. 



seed and embryo, ii. 422. 



Eutacese, honey protection in, ii. 241. 



— of steppes, waxy bloom of leaves, i. 312. 



s. 



Saas-F^e, and Uromyces Pisi, ii, 525. 

 Saccbaromyces, development and ferment 



action, i. 506. 

 Saccharomyces cereviaise, ii. 681. 



life-cycle, ii. 683. 



Saccharomyces eUipsoideus, fermentative 



activity, ii. 684. 

 Sacchamm officinarum, mechanical tissue 



arrangement, i: 731. 

 Sachs's table of Thallophyte classiflcation, 



ii. 606. 

 Sagina Linnsel, nectaries, ii. 176. 



Sagina saxatilis, autogamy, ii. 338, 339. 

 Sagittaria, monoecious, ii. 297. 



— protective isolation by water, ii. 234. 

 Sagittaria sagittif olia, leaf and habitat, ii. 502. 

 Sainfoin. See Otiobryohia, 



SalicineiE, porogamic fertilization, ii. 413. 

 Saliva, action on grauulose and cellulose, i. 



460. 

 Salix, and galls of Nematusgallarum, ii. 537. 



— colour of anthers, ii. 183. 



— dates of flowering of hybrids and their 



parents, ii. 574. 



— deciduous bud-scales, i. 626. 



— galls, ii. 531, 533, 546, 552. 



— habitat in relation to water-collecting 



habit, i. 240. 



— hybrids, ii. 583. 



— insect pollination, ii. 583. 



— mechanical tissue arrangement, i. 729. 



— phyllotaxis, i. 399. 



— pollarding, ii. 37. 



— pollen-grains, ii. 99, 



— porogamic fertilization, ii. 413. 



— protogyny, ii. 313. 



— roots, i. 752. 



— ternary hybrids, ii. 560. 



— water-pore of nectary, ii. 172. 



Salix alba, and bud-galls produced by mites, 



ii. 547. 

 Salix amygdalina, S. purpurea, S. pruinosa, 



protective layer of wax on leaves, i. 291. 

 Salix aurita, normal and sucker leaves, ii, 516. 

 Salix caprea, foliaceous ovule, ii. 83, 



hairs, ii. 565. 



phyllotaxis, i. 408. 



scent, ii. 202. 



Salix daphnoides, scent, ii. 202. 

 Salix fragilis, inflorescences, ii. 299. 



water-absorption,from atmosphere, i.238, 



Salix grandifolia, and galls of Cecidomyia 

 rosaria, ii. 546. 



and galls of Hormomyia Caprese, ii. 538. 



effect of branch mutilation, ii. 516. 



Salix incaua, gall of Ifematus pedunculi, ii, 



531. 

 Salix Myrsinites, plumed seeds, ii. 857. 

 Salix polaris, seeds escaping, ii. 424. 

 Salix pruinosa, wax-like bloom, i. 462 ; ii. 237. 

 Salix purpurea, and galls of Cecidomyia 

 rosaria, ii. 547. 



and galls of Nematus vesicator, ii, 533, 



dichogamy and hybridization, ii, 314. 



experiment with partially stripped 



branch, i. 480. 

 Salix repens, staminalohangeof colour, ii. 191. 

 Salix reticulata, leaf, section, i. 301. 

 Salix rubra, hybrid, hairs of, ii. 565. 

 Salix viminalis, dichogamy and hybridiza- 

 tion, ii. 314. 



hairs, ii. 565. 



Salsify. See Tragopogon. 

 SaJsola, dichogamy, ii. 135. 

 Salt, incnistations, of leaves and stems, mode 



of retention, i. 237. 



— in sap of succulents, i. 329. 

 SaltneSB of water, and blueness, i. 389. 

 Salvia, direction of flowers, ii. 225. 



— hairiness, i. 317. 



— hybrids, ii. 585, 



— pericarp mucilage, i, 615. 



Salvia argentea, absorption-cells of hairs, i. 

 227. 



Salvia betonioifolia, hybrid, ii. 585. 



Salvia cardinalis, red flower, ii, 196. 



Salvia cleistogama, flowers, ii. 394. 



Salvia glutinosa, flower and pollen trans- 

 ference, ii. 262. 



poUen-grains, ii. 98. 



rocking connective, ii. 262. 



sticky calyx, ii. 870. 



Salvia oflScinalis, hammer-apparatus, ii. 263. 



Salvia pratensis, hammer-apparatus, ii, 263. 



Salvia splendens, coloured bracts, ii. 183. 



Salvia sylvestris, hybrid, peculiarity of foli- 

 age, ii, 576. 



Salvia Verbenaca, the Wild Clary, petiole 

 I section, 1. 22. 



Salvia verticillata, seed-dispersal, ii. 841. 

 Salvia viridis, alluring bracts, ii. 188. 

 Salvinia, protection of sporangia, ii. 13. 



— sexual reproductive organs, ii. 69, 



— swimming habit, i. 669. 



Salvinia natana, submerged leaves, i. 766., 

 Salvinia oflBcinalis, stamen, ii. 87. 

 Salviniaceje, description, ii. 710. 

 Samara, nature of, ii. 430. 

 Sambucus Ebulus, scent, ii. 201, 

 Sambucus nigra, dates of flowering, i, 519. 



drupe, ii. 428. 



evergreen at Poti, i. 358. 



reserve-buds, ii. 32. 



scent, ii. 202. 



Sambucus racemosa, anthocyanin, i. 484. 



geitonogamy, ii. 326. 



scent, ii. 200. 



Sand, and preservation of fossil plants, ii. 612. 

 Sanguinaria Canadensis, latex, i. 470. 



stamen, ii. 87. 



Sangnisorba alpina, pollen discharge, ii. 145. 

 Sanicula Europsea, winter protection, i, 550, 

 Santalaceffi, ii. 754. 



— many parasitic, i. 176J 



Sap, ascent of, theoretical considerations, i. 

 270. 



— exudation in roses, maples, birches, rela- 



tive volume, i. 272. 



— raw, or crude, factors determining desti- 



nation, i. 274. 

 Saponaria ocymoides, distribution of sexes, 

 ii. 300. 



elevation and coloration, ii. 511. 



Saponaria Vaccaria, duration of flowering, 



ii. 213. 

 Saponaria viscosa, carnivorous in minor 



degree, i. 156. 

 Saponin, in roots of Saponaria, 1. 763. 

 Sapotacese, ii. 768. 

 Saprolegnia, ii, 671. 



— offshoots, h. 802. 



Saprolegnia ferax, parasitic on salmon, ii. 671. 



— parthenogenesis in, ii. 464. 



— selection of host, i. 171. 

 Saprolegniacese, asexual and sexual repro- 

 duction, ii, 480. 



— characters, ii. 670. 



— on floating dead bodies, i. 105. 

 Saprophytes, absorption of carbon dioxide, 



i. 63. 



— absorption roots, i. 115. 



— fastidiousness of, i. 118. 



— favourable conditions for, i. 102. 



— fossil remains, ii. 614. 



— green, absorption of carbon, i. 103. 



— in humus of meadows, i. 112. 



— in water, i. 104. 



— non-green, absorption of organic com- 



pounds, i. 103. 



— not sharply marked off from non-sapro- 



phytes, i. 104. 



— nutrition, i. 466. 



— relation to decaying bodies, i. 99. 



— substratum, ii. 499. 



Saprophytic Bacteria, effect on substratum, 



ii. 623. 

 Saprophytism, means of determining, i. 100. 

 Sarcanthns rostratus, aSrial roots, i. 753. 



strap-shaped adherent roots, i. 107. 



Sarcina ventriculi, ii. 624. 



Sarcophaga carnaria and flower-colour, ii. 



197. 

 SarcophytaceEB, ii. 762. 

 Sarcophyte sanguinea, Cape, i. 195. 



description, i. 196. 



flowering axis, flowers, &c., i. 198. 



Sargasso Sea, area, &c., ii. 665. 

 Sargassum, host for other Algge, i. 160. 

 Sargassum bacciferum, in Atlantic, ii. 665. 

 Sarothamnus, explosive flowers, ii. 267. 

 Sarothamnus scoparius. See Spartium sco- 



pariwm. 

 Sarracenia, heteromorphic leaves, i. 130. 



— storage of pollen, ii. 94. 



Sarracenia Drummondii, honey, &c., i. 130. 

 pitchers and leaves, i. 130. 



