INDEX. 



931 



Aster, pollination. &c„ i. 740; ii. 284, 286. 

 Aater alpinus, dichogamy, ü. 313. 



floretd and autogamy, ii. 360. 



Aater AmoUus, flower-opening constant, i. 



559. 

 Aster argoplijUiis. hairs, i. 321. 

 Äster Tripolium and flooding, ii. 500. 

 Asierales, ii. 765. 



Asteriscus pygmmus, seed<UspersaI, ii. 845. 

 Asteroiden, autogamy iu, ü. 359. 



— geitonogamy. ii 321. 

 Astragalus, alternating axes, i. 65S. 



— explosive flowers, Ü. 267. 



— hairs, i. 321. 



— spines, i. 447. 

 Astragalus exscapus, 1. PI. VI. 

 Astragalus Onobrychis. i. PI. VI. 

 Astragalus Tragacantha, spines, i. 447, 449. 

 Astragalus vesicarius, flower - colour and 



habitat, ii. 194. 

 Astragalus vlrgatus, i. P). VT. 

 Astrantia, coloured bracts, ii. 183. 



— geitonogamy, ii. 323. 



— flowers, sorts of, ii. 296. 



— protogynous, ii. 311. 



Astnuitia alpiua, &c., protection of pollen, 

 ii. 120. 



Astrantia major, artificially induced droop- 

 ing, ii. 123. 



Asvhatta. See Ficiu religiosa. 



Asyngamy, examples, Ü. 885. 



Atliainanta. geitonogamy. ii. 324. 



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



Athens, time of flowering at, i. 518. 



Atheninis ternatiis, epiphyllous buds, ii. 43. 



Athyrium Filix-fuemina, sorus and indusium, 

 Ii. 706. 



Atlas Cedar. See Cedrus atlantica. 



Atmospheric conditions, adaptation of plants 

 to. ii. 502. 



and opening and closing of flowers, ü. 



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 liane, i. 671. 

 autogamy, ii. 349. 



oolour of sepals, ii. 183. 



flower, ii. 174. 



leaf-stalk tendrils. 1. 691. 



nectaries, ii. 176. 



nectary concealment, ii. 181. 



protogynous, ii. 310. 



stem section, i. 733. 



Atraphaxis, geographical distribution, ii. 33. 



— reserre-budfl, ii. 33. 

 Atriplex, ii. 468. 



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

 Atropa, cro8a-fertUi2ation, iL 305. 



— honey protection, il. 239. 



— pollen deposition, ii. 278. 



— protection of imllen, ii. 118. 



— sticky stigmas, ii. 282. 

 Atropa BelUulonna. berry, ii. 427. 



flower-opening conatant, i. 559. 



leaf-mosaic I. 421. 



poisonous properties, i. 431. 



protection of poUen, ii. 128. 



rapid fertilization, ii. 285. 



Atropine, L 462. 



Attachment disc, of Loranthua Europeeus, i. 

 211. 



of Mistletoe, i. 207, 209. 



Aubrietia deltoidea, hair«, i. 322- 



Aucuba Japonica, propagation by leaf-cut- 

 tings, ii. 41. 



Aulacomnion androgynum. tballidia, ii. 23- 



Aulacomnion turgidum, parthenogenesis, ii. 

 464. 



Anlax galls on Labiataj, ii. 537. 543. 



Auinx Uieracii bud-galls on Hieraciuui, ii. 



543. 

 Auricles of JungiTnianiiiiiceR), ü. 699. 

 Auricula, artitieial breeding, ii. 555. 



— longiflora, dichogainousblossomiiig, ii. 312. 



— scent, ii. 201. 



AuriculariH sambiicina, habitat, iL 687. 

 Auriculariaceto. baaidia, ii. 680. 



— characteristics, ii. 687. 

 Australia, hairiness of plants, i. 317. 



— phyllodous acacias, i. 335. 



— shadowless forests. L 336. 

 AiLstraliun bush, chief components, i. 432. 

 Austria, ilorsx of, i. C. 



Austrian Oak. See Qiicrois Austriaca. 

 Autogamy and size of flower, ii. 396. 



— artificially produced, ii. 406. 



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



— by bending of pistil, 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, ii. 343, 



347. 

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

 386. 388. 



— by contraction of style branches, ii. 359. 



— by elongation of pistil, iL 349. 



— by inclination of curved stamens, ii. 342. 



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



— by lengthening of stamens, iL 334. 



— by movements of flower-stalk, iL 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 pollina- 



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, L 486. 

 Autumnal tints, Arctic flora, i. 439. 



in Europe and N. America, i. 487. 



on Lake Erie, i. PI. V. 



Auxospore, of Diatoms, ii 623. 

 Avena and PuccJnia graniini . iL 686. 



— fruit-tlispersal, ii. 843. 



— pollination, ii. 142. 



Avena compresaa. leaf-folding, i. 340. 

 Avena elatlor, course of pollen-tubes, iL 408. 



pollination, iL 139. 



spikelets, ii. 139. 



stigma and germinating pollen-grains, 



u. 409. 

 Avena flavesceus, arched leaf, L 429. 

 Avena planiculmis, geographical distribution 



and leaf-folding, L 340 

 Avena saliva, flnwer-ojiening constant, i. 559. 



host of Ufltilago scgetum, ii. 675. 



Averrhoa Caranibola, leaf, diurnal positions, 



i. 534. 

 Awn of Feather Grass, functions, i. 617. 



— of Graminea;. ii. 746. 



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

 Axis, leaf-bearing, sorts of, i. G50. 



— of inflorescence, L 737. 



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



— ovary, ii. 76. 



— pollen -tetrads, ii. lOJ. 



— pollination, ii. 130. 



— viflcin of rKiUen-grains, ü. 101, 

 Azalea Indica, scentless, ii. 209. 

 Azalea pontica, scent, iL 201. 



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



autogamy, ii. 337. 



flower, ii. 279. 



rolled leaf, vertical section, i. 303. 



BtigujA, it. 282. 



Azalea procumbens, weather and autogamy, 



iL 391. 

 Azolla, adaptation to chango of habitat, i. 76. 



— andNostoc, ii.622. 



— description, ii. 710. 711. 



— swimming habit, i. 669. 

 Azyguapores.in Mucorini, ii. 673. 



B. 



Bacharis, water-collecting and absorbing 



organs, i. 232. 

 Bacillariales, description, ii. 625. 



— group of Thallophyta. ii. 620. 

 Bacillus, L 2(!3. 



Bacillus Amylobacter, fermentation, ii. 623. 



supposed fossil remains, ii. 625. 



Bacillus amylovorus, canker on fruit-trees, 



ii. 523. 

 Bacillus Anthracis, cause of anthrax, ii. 624. 



shape of, L 163. 



Bacillus lacticus and souring of milk, ii. 623. 

 Bacillus subtilis, cilia, ii. 623. 

 Bacteria, action on blood, i. 167. 



— as cause of disease, i. liiS. 



— conditions of life, i. 506. 



— description, iL 622. 



— dispersion, i. 263. 



— evidences of antiquity, ii. 624. 



— fermentative action, i. 505. 



— general characteristics, i. 161. 



— means of distinguishing, i. 163. 



— movements and cilia, iL 023. 



— nature of, L 505. 



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

 in water basins, of Dipsaeus, L 242. 



— saprophytic, effect on substratum, ii. 623. 



— symbiosis with root-fibres, ii. 521. 

 Bacteria-rods, of Beggiatoa, L 105. 

 Bacterium aceti, ii. 624. 



activity, L .'«06. 



Bacterium termo, L 263. 

 Balanophora. replaces Langsdorffla and 

 Scybalia in eastern hemisphere, i. 189. 



— seeds, development, inception of inflo- 



rescence, ic, i. 190. 



Balanophora dioica. widely 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 HUdebrandtii, i. 189. 



Balanophora involucrata, hosts, i. 190. 



Balanopboracew, i. 762. 



— African species, fewness of, L 196. 



— authocyanin, i. 483. 



— colour and odour, ii. 197. 



— embryo, i. 596; iL 450. 



— European genus, L 198. 



— features used for cla.ssification, i. 186. 



— formerly described as fungi, speculations 



about, i. 190. 



— genera, L 186. 



— geographical distribution, L 186. 



— habitat, i. 186. 



— nature of scents, ii. 199. 



— ovule, ii. 81. 



— parasitic, i. 189. 191. 195. 



— scaly stems, L 652. 



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

 Balanophorales, iL 762. 



Balanophorin, wax-like subfitance of Langs- 

 dorffla stem, L 188. 

 Ballistic fruits, iL 840. 

 Bailota, seed protection, ii. 446. 

 Ballota nigra, autogamy, ii. 364. 

 Balsam. See Irnpatinis. 

 Balsam, Yellow. See Imi)atirns noli-tangere. 

 Balsam and transpiration, L 461. 



— excretion of capitate hairs, composition, 



restrictive of transpiration, i. 312. 



— name given to varnish-like substanoe 



excrelrd by certain leaves, i. 237. 

 Balsaminea, extra-floral nectaries, ii. 232. 

 Baltic flora, colour percentages, U. 182. 



