INDEX. 



931 



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

 Aster alpiuus, dichogamy, ii. 312. 



florets and autogamy, ii. 360. 



Aster Amellns, flower-opening constant, i. 



559. 

 Aster argophyllus, hairs, i. 321. 

 Aster Tripolium and flooding, ii. 500. 

 Asterales, ii. 765. 



Asteriscus pygmieus, seed-dispersal, ii. 845. 

 Asteroideae, autogamy in, ii. 359. 



— geitonogaray, ii. 321. 

 Astragalus, alternating axes, i. 658. 



— explosive flowers, ii. 267. 



— hairs, i. 321. 



— spines, i. 447. 

 Astragalus exscapus, i. PI. VI. 

 Astragalus Onobrychis, i. PI. VI. 

 Astragalus Tragacautha, spines, i. 447, 449. 

 Astragalus vesicarius, flower -colour and 



habitat, ii. 194. 

 Astragalus virgatus, i. PI. VI. 

 Astrantia, coloured bracts, 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 reliyiosa. 



Asyngamy, examples, ii. 885. 



Athamanta, geitonogamy, ii. 324. 



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



Athens, time of flowering at, i. 518. 



Atherurus ternatus, epiphyllous buds, ii. 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- 



pomids, 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. 



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. 



Atraphaxis, geographical distribution, ii. 33. 



— reserve-buds, ii. 33. 

 Atriplex, ii. 468. 



Atriplex hastata, &o., scroU-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. 



Aulacomuion androgynum, thaUidia, ii. 23. 



Aulacomnion turgidum, parthenogenesis, ii. 

 464. 



Aulax galls on Labiatse, ii. 537, 543. 



Aulas Hieracii bud-galls on Hieracium, ii. 



543. 

 Auricles of Jungermanniacese, ii. 699. 

 Auricula, artificial breeding, ii. 555. 



— longiflora,dichogamous blossoming, ii. 312. 



— scent, ii. 201. 



Auricularia sambucina, habitat, ii. 687. 

 Auriculariaceae, basidia, ii. 680. 



— characteristics, ii. 687. 

 Australia, hairiness of plants, i. 317. 



— phyllodous acacias, i. 335. 



— shadowless forests, i. 336. 

 AustraUan bush, chief components, i. 432. 

 Austria, flora of, i. 6. 



Austrian Oak. See Quercus 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, ü. 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, ii. 349. 



— by inclination 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 coroUa 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, i. 486. 

 Autumnal tints, Arctic flora, i. 489. 



in Europe and N. America, i. 487. 



on Lake Erie, i. PI. V. 



Auxospore, of Diatoms, ii. 623. 

 Avena and Puccinia gramini^, ii. 686. 



— fruit-dispersal, ii. 843. 



— pollination, ii. 142. 



Avena compressa, leaf-folding, i. 340. 

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



pollination, ii. 139. 



spikelets, ii. 139. 



stigma and germinating pollen-grains, 



Ü. 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 Ustilago segetum, ii. 675. 



Averrhoa Carambola, leaf, diurnal positions, 



i. 534. 

 Awn of Feather Grass, functions, i. 617. 



— of Graminese, 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. 

 Azolla, adaptatioQ 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 amylovorus, 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 subtilis, cUia, 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 cilia, 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, ii. 624. 



activity, i. 506. 



Bacterium termo, i. 263. 

 Balanophora, replaces LangsdorlEa and 

 Scybalia in eastern hemisphere, i. 189. 



— seeds, development, inception of inflo- 



rescence, &c., 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 Hildebrandtii, i. 189. 



Balanophora involucrata, hosts, i. 190. 



Balanophoracese, i. 762. 



— African species, fewness of, i. 196. 



— anthocyanin, i. 483. 



— colour and odour, ü. 197. 



— embryo, i. 596 ; ii. 450. 



— European genus, i. 198. 



— features used for classification, 1. 186. 



— formerly described as fungi, speculations 



about, i. 190. 



— genera, i. 186. 



— geographical distribution, i. 186. 



— habitat, i. 186. 



— nature of scents, Ü. 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- 



dorfiia stem, i. 188. 

 Ballistic fruits, ii. 840. 

 Ballota, seed protection, ii. 446. 

 Ballota nigra, autogamy, ii. 364. 

 Balsam. See Tmi)aticns. 

 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. 



