INDEX. 



973 



Botiferse, resistance to cold, i. 542. 



— symbiosis with Liverworts, i. 225. 

 Rotting, and Fungi, i. 508. 

 Rousseau, lectures on botany, i. 6. 

 Royal Fern. See Osnmnda regalis. 

 Rubia, stipules, i. 637. 

 Rubiacese, ii. 763. 



Rubus, indumenta of hybrids, ii. 564. 



— innumerable hybrids, ii. 585. 



— many forms of, ii. 900. 



— nectary, ii. 174. 



— prickles, i. 676. 



— weaving-stem, i. 672. 



Rubus bifrons, rooting branches, i. 769. 



Rubus Chamaemorus, water-receptacles, i. 

 239. 



Rubus fruticosus, protective function of air- 

 containing hairs, i. 314. 



Rubus Idseus, 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. 

 Rubus squarrosus, branches, i. 677. 

 Rudbeokia f ulgens, colour-contrast in capitu- 



lum, ii. 191. 

 Rumex, anthocyanin, i. 484. 



— ■dichogamy, ii. 135. 



— geitonogamy, ii. 328. 



— venation, i. 630. 



Rumex Acetosella, radical buds, ii. 28. 

 Rumex alpinus, distribution of sexes, ii. 298. 



imperfect flower, Ii. 295. 



pollen dispersion, ii. 143. 



protogyny, ii. 312. 



Rumex nemorosus and R. obtusif olius, dicho- 

 gamy and hybridization, ii. 315. 



distribution of sexes, ii. 298. 



imperfect flowers, ii. 295. 



Rumex nepalensis, hooked fruit, ii. 873. 

 Rumex Patientia, probable hybrid, ii. 592. 

 Rumex scutatns, antholysis, ii. 83. 



pollen dispersion, ii. 143. 



Rumex tuberosus, roots, i. 760. 

 Runner, 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. 

 Ruscus aculeatus, cladodes, i. 332. 

 shoot, i. 333. 



spinosity, i. 434. 



Ruscus Hypoglossura, cladodes, i. 333. 

 Rushes, in Alps, anthocyanin, i. 522. 

 Russelia, scarlet flowers, ii. 196. 

 Russia, Southern, lowlands of, hairiness ol 



plants, i. 318. 

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

 Rust. See Uredinece. 

 Rust-fungus, teleutospores, ii. 24. 

 Ruta, capsule, ii. 431. 



— cross-fertilization, ii. 306. 



— pollen-grain, ii. 100. 



Ruta graveolens, flower, ii. 306. 



scent, ii. 202. 



seed and embryo, ii. 422. 



Rutaceee, honey protection in, ii. 241. 



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



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

 Saccharomyces, development and ferment 



action, i. 506. 

 Saccharomyces cerevisise, ii. 681. 



life-cycle, ii. 683. 



Saccharomyces ellipsoideus, fermentative 



activity, ii. 684. 

 Saccharum ofEcinarum, mechanical tissue 



arrangement, i. 731. 

 Sachs's table of Thallophyte classification, 



ii. 606. 

 Sagina Linnsei, 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 Onobrychia. 



Salicineie, porogamic fertilization, ii. 413. 

 Saliva, action on granulose and cellulose, 1. 



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 HormomyiaCaprese, ii. 538. 



effect of branch mutilation, ii. 516. 



Salix incana, gall of Nematus 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, staminal change of colour, ii. 191. 



Salix reticulata, leaf, section, i. 301. 



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



Salix viminalis, dichogamy and hybridiza- 

 tion, u. 314. 



hairs, ii. 565. 



Salsify. See Tragopogon. 



Salsola, dichogamy, ii. 135. 



Salt, incrustations, of leaves and stems, mode 

 of retention, i. 237. 



— in sap of succulents, i. 329. 

 Saltness of water, and bluenesa, i. 389. 

 Salvia, direction of flowers, ii. 225. 



— hairiness, i. 317. 



— hybrids, ii. 585. 



— pericarp mucilage, i. 615. 



Salvia argentea, absorption-cells of haire, i. 

 227. 



Salvia betonicifolia, hybrid, ii. 585. 



Salvia cardinalis, red flower, ii. 190. 



Salvia cleistogama, flowers, ii. 394. 



Salvia glutinosa. flower and pollen trans- 

 ference, ii. 262. 



pollen-grains, ii. 98. 



rocking connective, ii. 262. 



sticky calyx, ii. 870. 



Salvia oflScinalis, hammer-apparatus, ii. 263. 



Salvia pratensis, hamnier-appamtns, ii. 263. 



Salvia splendens, coloured bracts, ii. 183. 



Salvia sylvestris, hybrid, peculiarity of foli- 

 age, ii. 676. 



Salvia Verbenaoa, the Wild Clary, petiole 

 section, i. 22. 



Balvln rertldllsU. •«^^H»i»r> . 



Salvia Tlri.llp :;" ■ ,... 



Halvlnla, pr .UU 



Rcxtial r<i : Q), 



— BWill.Ii.u..- 



Salu: , 



Huh 



SaU, 



Sa.i.i.,.. i,K. ..,, „ ,,, 



Kaiiiliurui Ebiilun, icrnt, U. Xll. 

 Sauibucu* nlcni. iliilc* of flowcrtnc J. ttl 



draiKT, Ii. 42a 



cverureen at Poll. L 3Sa. 



resenrebudi, II. 32. 



Bcent, II. 202. 



BambucuB raccmou, knthocyutln. i 4M. 



geitonoKamy. il. 3X. 



scent, il. 200. 



Sand, and preHcrvatloD of foall pUnU, U (11 

 Sanguinaria Can«den«li. Ulcx. L 470 



stamen, 11. 87. 



Sanguisorba alpina, pollen dUcluu(p. ii I4&. 

 Sanicula Europa^n, winter protccUuD, L SM. 

 Santalacete, ii. 754. 



— many parasitic, I. 176. 



Sap, ascent of, theoretical oontidcnakooa, L 

 270. 



— exudation in roee«, maple*, birchca, rd^ 



live volume, 1. 272. 



— raw, or crude, factors detenninlng (UMi- 



nation, i. 274. 

 Saponaria ocyuoidct, distrilnillon of teic*. 

 ii. 300. 



elevation and coloration, IL 511. 



Saponaria Vaccaria, Uurstlon of doverinfr 



ii. 213. 

 Saponaria Tiscoaa, camiroroui In minor 



degree, i. 156. 

 Saponin, in roots of Saponaria. L 761 

 Sapotacea;, ii. 768. 

 Saprolegnia, ii. 671. 



— offshoots, ii. 802. 



Saprolegnia ferax. i>arai<itic on (alnion, ii. £71. 



— parthenogenesis in, ii. 464. 



— selection of host, i. 171. 

 SaprolegDiacea>, asexual and k.-iual rrpro- 



ductioo, ii. 480. 



— characters, ii. 670. 



— on floating dead bodies, i. 105. 

 Saprophytes, absorjitioa of caibun dioiide, 



i. 63. 



— absorption roots, i. 116. 



— fastidiousness of. i. 118. 



— favouralile conditions frr, i. 102. 



— fossil remains, ii. 614. 



— green, abson>tion of carbon, i. 103 



— in humus of muulows, i. 112. 



— in water, i. 104. 



— non grt'en, nl>8orptioD of onputic com- 



pounds, i. 103. 



— not 8liari>ly marked off from ooonapro- 



phytes, i. 104. 



— nutrition, I. 466. 



— relation to decaying bodies, 1. W. 



— substratum, ii. 499. 



Saprophytic Bacteria, effect on subrtiMuat. 



ii. 623. 

 Saprophytism, means of delcrmlnin*. I 100 

 Sarcanthus ro«tr»t»i», aifrial root*, i *SJ 



strap-sh»|MHl adhcrrnt roots. I 107 



.Sarcina vcntriculi. ii. 624. 



Sarcophn^ camaria and flowcr-o.lour. U. 



197. 

 Snrcophvtarem. ii. 762. 

 .lan-.-.'-v. ..■„„,..,. Cape. I 195- 



•.. L 



Sarraccnia, hct*romorphic iMVi^ I UO 

 — Btoraco of iioUeii. II M. 

 Sarraceuia Drummondll. bonay, ftc, L M. 

 pitchers aod loarca, L ISO. 



