INDEX. 



931 



Aater, pollination, &c., i. 740; ii. 284, 286. 

 Aster alpiuus, diohogamy, ii. 312. 



florets and autogamy, ii. 360. 



Aster Amellna, flower-opening constant, i. 



559. 

 Aster argophyllus, hairs, i. 321. 

 Aster Tripolium and flooding, ii. 500. 

 Asterales, ii. 765. 



Asteriacus pygmieus, seed-dispersal, ii. 845. 

 AsteroidesB, autogamy in. ii. 359. 



— geitonogaiuy, ii. 321. 



^Utragalus, common on steppes, i. 616 ; al- 

 ternating axes, i. 658. 



— explosive flowers, ii. 267. 



— hairs, i. 331. 



— spines, i. 447. 



Astragalus Tragacantha, spines on branches, 



i. 447, 449. 

 Astragalus vesicarius, flower-colour and 



habitat, ii. 194. 

 Astrantia, coloured bracts attract attention, 



ii. 183. 



— geitonogamy, ii. 323. 



— flowers, sorts of, ii. 296. 



— protogynous, ii. 311. 



Astrantia alpina, &c., protection of pollen, 

 ii. 120. 



Astrantia major, artificially induced droop- 

 ing, ii. 123. 



Asvhatta. See Ficus religiosa. 



Asyngamy, examples, ii. 885. 



Athamanta, geitonogamy, ii. 324. 



Athamanta cretensis, flowers, sorts of, ii. 296. 



Athens, time of flowering at, i. 518. 



Atherurus tematus, epiphyllous buds, Li. 43. 



Athyrium Filix-foemina, sorus and indusium, 

 ii. 706. 



Atlas Cedar. See Cedrus atlantica. 



Atmospheric conditions, adaptation of plants 

 to, ii. 502. 



and opening and closing of flowers, ii. 



116. 



in habitat of epiphytic Orchids, i. 222. 



— moisture as source of nitrogenous com- 



pounds, i. 241. 



— water, gases in, i. 368. 

 Atoms, aggregation of, i. 57. 



— combination, i. 452, 492.- 



— re-arrangement through sunlight, i. 378. 

 Atractylis cancellata, cotyledons in germina- 

 tion, i. 613. 



Atragene, protogynous, ii. 311. 



— ringed tendrils, i. 694. 

 Atragene alpina, alpine liana, i. 671. 

 autogamy, ii. 349. 



colour of sepals, ii. 183. 



flower, ii. 174. 



leaf-stalk tendrils, i. 691. 



nectaries, ii. 176. 



nectary concealment, ii. 181. 



protogynous, ii. 310. 



stem section, i. 733. 



Atraphasis, geographical distribution, ii. 33. 



— reaerve-buds, ii. 33. 

 Atriplex, ii. 468. 



Atriplex hastata, &c., scroll-gall, ii. 530. 

 Atropa, cross-fertilization, ii. 305. 



— honey protection, ii. 239. 



— pollen deposition, ii. 278. 



— - protection of pollen, ii. 118. 



— sticky stigmas, ii. 282. 

 Atropa Belladonna, berry, ii. 427. 

 flower-opening constant, i. 559. 



— — leaf-mosaic, i. 421. 



poisonous properties, i. 431. 



protection of pollen, ii. 128. 



rapid fertilization, ii. 285. 



Atropine, i. 462. 



Attachment disc, of Loranthus Europseus, i. 

 211. 



of Mistletoe, i. 207, 209. 



Aubrietia deltoidea, hairs, i. 322. 



Aucuba Japonica, propagation by leaf-cut- 

 tings, ii. 41. 



Aulacomnion androgynum, thallidia, ii. 23. 



Aulacomnion turgidum, parthenogenesis, ii. 

 464. 



Aulax galls on Labiatie, ii. 537, 543. 



Aulas Hieraoii bud-galls on Hieraoium, ii. 



543. 

 Auricles of Jungermanniaceae, ii. 699. 

 Auricula, artificial breeding, ii. 555. 



— longiflora, dichogamous blossoming, ii. 312. 



— scent, ii. 201. 



Auricularia sambucina, habitat, ii. 687. 

 Aurioulariacese, basldia, ii. 680. 



— characteristics, ii. 687. 

 Australia, hairiness of plants, i. 317. 



— phyllodous acacias, 1. 335. 



— shadowless forests, i. 336. 

 Austrahan bush, chief components, i. 432. 

 Austria, fiora of, i. 6. 



Austrian Oak. See Quercus Austriaca. 

 Autogamy and size of fiower, ii. 396. 



— artificially produced, ii. 406. 



— by ageocy of corolla, ii. 365, 369, 372, 375. 



— by bending of pistd, ii. 350. 



— by bending of stamens, ii. 337. 



— by bending of stylar branches, ii. 360, 363. 



— by calyx elongation, li. 366. 



— by coiling of stamens and style, u. 343, 



347. 



— by combined movements, ii. 380, 383, 385, 



386. 388. 



— by contraction of style branches, ii. 359. 



— by elongation of pistil, ii. 349. 



— by incUnation of curved stamens, ii. 342. 



— by inflection of flower-stalk, &c., ii. 380. 



— by lengthening of stamens, ii. 334. 



— by movements of flower-stalk, ii. 378. 



— by pollen abstraction from corolla hairs, 



ii. 363. 



— by shortening of pistil, ii, 347. 

 of stamens, ii. 340. 



— height of stamens and results of poUina- 



tion, ii. 405. 



— in heterostyled flowers, ii. 396. 



— in sprinkling flowers, ii. 333. 



— in Willow-herb. ii. 354. 



— nature and occurrence, ii. 291, 331, 



— prevalence of, ii. 399. 



— probable causes of prevalence in Alpine 



and Arctic regions, ii. 401. 



— statistics, &c., ii. 399. 



— wide geographical range, ii. 339. 

 Autonomous movements of plants, ii. 221. 

 Autumn leaves, causes of variegation, i. 486. 

 Autumnal tints, Arctic flora, i. 489. 



in Europe and N. America, i. 487. 



on Lake Erie, i. 488. 



Ausospore, of Diatoms, ii. 626. 

 Avena and Puccinia graminLj, ii. 686. 



— fruit-dispersal, ii. 843. 



— pollination, ii. 142. 



Avena compressa, leaf-folding, i. 340. 

 Avena elatior, course of pollen-tubes, ii. 408. 



pollination, ii. 139. 



spikelets, ii. 139. 



stigma and germinating pollen-grains, 



ii. 409. 

 Avena flavescens, arched leaf, i. 429. 

 Avena planiculmis, geographical distribution 



and leaf-folding, i. 340. 

 Avena sativa, flower-opening constant, i. 559. 



host of Ustiiago segetum, ii. 675. 



Averrhoa Carambola, leaf, diurnal positions, 



i. 534. 

 Awn of Feather Grass, functions, i. 617. 



— of Gramineae, ii. 746. 



Axillary buds, distribution, &c., ii. 29. 

 Axis, leaf-bearing, sorts of, i. 650. 



— of inflorescence, i. 737. 



Azalea, hair-like cuticular filaments, i. 310. 



— ovary, ii. 76. 



— poUen-tetrads, ii. 104. 



— pollination, ii. 130. 



— viscin of pollen-graios, ii. 101. 

 Azalea Indica, scentless, ii. 209. 

 Azalea pontica, scent, ii. 201. 

 Azalea procumbens, i. 304, 306, 490, 662. 

 autogamy, ii. 337. 



flower, ii. 279. 



rolled leaf, vertical section, i. 303. 



stigma, ii. 282. 



Azalea procumbens, weather and autogamy, 



ii. 391. 

 AzoUa, adaptation to change of habitat, i. 76. 



— and Nostoc, ii. 622. 



— description, ii. 710. 711. 



— swimming habit, i. 669. 

 Azygospores,in Mucorini, ii. 673. 



B. 



Bacharis, water-collecting and absorbing 



organs, i. 232. 

 Bacillariales, description, ii. 625. 



— group of Thallophyta, ii. 620. 

 Bacillus, i. 263. 



Bacillus Amylobacter, fermentation, ii. 623. 



supposed fossil remains, ii. 625- 



Bacillus amylovoruB, canker on fruit-trees, 



ii. 523. 

 Bacillus Anthracis, cause of anthrax, ii. 624. 



shape of, i. 163. 



Bacillus lacticus and souring of milk, ii. 623 

 Bacillus subtiUs, cilia, ii. 623. 

 Bacteria, action on blood, i. 167. 



— as cause of disease, i. 163. 



— conditions of life, i. 506. 



— description, ii. 622. 



— dispersion, i. 263. 



— evidences of antiquity, ii. 624. 



— fermentative action, i. 505. 



— general characteristics, i. 161. 



— means of distinguishing, i. 163. 



— movements and cUia, ii. 623. 



— nature of, i. 505. 



— putrefactive, beneficent action, &c., i. 264. 

 in water basins, of Dipsacus, i. 242. 



— saprophytic, effect on substratum, ii. 623. 

 ~ symbiosis with root-fibres, ii. 521. 

 Bacteria-rods, of Beggiatoa, i. 105. 

 Bacterium aceti, Li. 624. 



activity, i. 506. 



Bacterium termo, i. 263. 

 Balanophora, replaces Langsdorffia and 

 Scybalia in eastern hemisphere, i. 189. 



— seeds, development, inception of inflo- 



rescence, &c., i. 190. 



Balanophora dioica, vridely distributed in 

 the Himalaya, i. 190. 



Balanophora elongata, prevalence in Java, 

 collected for its wax, i. 190. 



Balanophora fungosa, discovery and distri- 

 bution, i. 190. 



Balanophora HLldebrandtii, i. 189. 



Balanophora involucrata. hosts, i. 190. 



BalanophoraceEe, i. 762. 



— African species, fewness of. i. 196, 



— anthocyanin. i. 483. 



— colour and odour, ii. 197. 



— embryo, i. 596; ii. 450. 



— European genus, i. 198. 



— features used for classification, i. 186. 



— formerly described as fuugi, speculations 



about, i. 190. 



— genera, i. 186. 



— geographical distribution, i. 186. 



— habitat, i. 186. 



— nature of scents, ii. 199. 



— ovule, ii. 81. 



— parasitic, i. 189, 191, 195. 



— scaly stems, i. 652. 



— seed, embryo, germination, &c., i. 188. 

 Balanophorales, ii. 762. 



Balanophorin, wax-like substance of Langs- 

 dorffia stem, i. 188. 

 Ballistic fruits, ii. 840. 

 Ballota, seed protection, ii. 446. 

 Ballota nigra, autogamy, ii. 364. 

 Balsam. See Jmpatiens. 

 Balsam, Yellow. See Impatiens noli-tangere. 

 Balsam and transpiration, i. 461. 



— excretion of capitate hairs, composition, 



restrictive of transpiration, i. 312. 



— name given to varnish-like substance 



excreted by certain leaves, i. 237. 

 Balsaminea, extra-floral nectaries, ii. 232. 

 Baltic flora, colour percentages, ii. 182. 



