INDEX. 



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

 Aster alpinus, dichogamy, ii. 312. 



florets and autogamy, ii. 360. 



Aster Amellus, flower-opening constant, i. 



559. 



Aster argophyllus, hairs, i. 321. 

 Aster Tripolium and flooding, ii. 500. 

 Asterales, ii. 765. 



Asteriscus pygmueus, seed-dispersal, ii. 845. 

 Asteroidese, autogamy in, ii. 359. 



geitonogamy, ii. 321. 



.ujtragalus, common on steppes, i. 616; al- 

 ternating axes, i. 658. 



explosive flowers, ii. 267. 



hairs, i. 321. 



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. 2%. 



protogynous, ii. 311. 



Astrantia alpina, &c., protection of pollen, 

 ii. 120. 



Astrantia major, artificially induced droop- 

 ing, ii. 123. 



Asvhatta. See Ficus religioaa. 



Asyngamy, examples, ii. 885. 



Athamanta, geitonogamy, ii. 324. 



Athamanta cretensis, flowers, sorts of, ii. 2%. 



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, iL 

 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. 61S 



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, &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, 



211. 



_ _ of Mistletoe, i. 207, 209. 

 Aubrietia deltoidea, hairs, i. 322. 

 Aucuba Japonica, propagation by lei 



Aulac^mnionandrogynum, tballidia, ii. 23 



Aulacomnionturgidum, parthenogenesis, i 



464. 



ulax galls on Labiataj, ^i. 537, 543. 



ulax Hieracii bud-galls on Hii-rai-ium. ii. 



543. 



.uricles of Jungermanniacesa, ii. 699. 

 uricula, artificial breeding, ii. 555. 

 longiflora, dichogamous blossoming, ii. 312. 



- scent, ii. 201. 



uricularia sambncina, habitat, ii. 687. 

 .uriculariacejB, basidia, ii. 680. 



- characterises, ii. 687. 

 Australia, hairiness of plants, i. 317. 



- phyllodous acacias, i. 335. 



- shadow-less forests, i. 336. 



.ustralian bush, chief components, i. 432. 

 ui stria, flora of, i. 6. 

 Austrian Oak. See Queretu Auxti 

 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, ii. 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 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, 33L 



prevalence of, ii. 399. 



probable causes of prevalence in Alpine 



and Arctic regions, ii. 401. 



statistics, Ac., 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. 



Auxospore, of Diatoms, ii 623. 

 Avena and Puccinia grauiini ;, 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. 

 Avenaplaniculmis, geographical distribution 



and leaf -folding, i. 340 

 Avena saliva, 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, Ac., n. 29. 

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



- of inflorescence, i. 737. 



Azalea, hair-like cuticular filaments. L 310. 



ovary, ii. 76. 



pollen-tetrads, ii. 104. 



pollination, ii. 130. 



viscin of pollen-grains, 11. 101. 

 Azalea Indica, scentless, ii. 209. 

 Azalea pontica, scent, ii. 201. 



Azalea procumbens, i. 304. 306, 490, 6. 



autogamy, ii. 337. 



flower, ii. 279. 



rolled leaf, vertical section, i. 303. 



stigma, ii. 282. 



Azalea procumbens, went tier and autogamy, 



Azolla, adaptation to change of habitat, L 76. 

 and Nostoc, ii. 622. 

 description, ii. 710. 711. 

 swimming habit, i. 669. 

 lzygospores,in Mucorinl, ii. 673. 



B. 



Bacharia. water-collecting and absorbing 



Bacillariales, description, ii. 626. 



group of Thallophyta. ii. 090. 

 Bacillus, i. 263. 



bacillus Araylobacter, fermentation, ii. OS. 



- supposed fossil remains, Ii. 826- 

 Bacillus amylovorus, canker on fruit-trees, 



ii. 523. 

 Bacillus Anthracts, cause of anthrax, IL 624. 



shape of, L 163. 



Bacillus lacticus and souring of milk. IL 625. 

 Bacillus subtilis, cilia. 11. 623. 

 Bacteria, action on blood, i. 167. 



- as cause of disease, i. 163. 



conditions of life. L 806. 



- description, ii. 621 



- dispersion. L 961 



- evidences of antiquity, ii. 624. 



fermentative action, i. 606. 



general characteristics, i. 161. 



means of distinguishing, L 163. 



movements and cilia, IL 623. 



nature of, i. 606. 



putrefactive, beneficent action; Ac., I 264. 

 in water basins, of Dipsacus, L 242 



saprophytic, effect on substratum, ii. 621 



symbiosis with root-fibres, U. 621. 

 Bacteria-rods, of Beggiatoa, L 106. 

 Bacterium aceti. U. 624. 



- - activity, L 608. 

 Bacterium termo, L 261 



Balanophora, replace* Langsdorffla and 

 Scybalia in eastern hemisphere, L 189. 



seeds, development. Inception of inflo- 



rescence, &c., i. 190. 



Balanophora dioica. widely distributed in 

 the Himalaya, L 190. 



Balanophora elongata. prevalence in Java, 

 collected for its wax, L 190. 



Balanophora fungosa, discovery and distri- 

 bution, i. 190. 



Balanophora Hildebrandtil, L 189. 



Balanopbora involucraU, hosts, i. 190. 



BalanophoracesB, i. 762. 



African species, fewness of, L 196. 



antbocyanin, i. 483. 



colour and odour, ii. 197. 



- embryo,!. 696 ;li. 450. 



European genus, L 198. 



_ features used for classification, L 186. 



formerly described as fungi, speculation! 



about, i. 190. 



- genera, i. 186. 



- geographical distribution. L 186. 



habitat, L 186. 



nature of scents, U. 199. 



ovule, ii. 81. 



_ parasitic, i. 189. 191. 195. 



scaly stems, i. 662. 



seed, embryo, germination, *c., L 188. 

 Balanophorales. ii. 762. 



Balanophorin, wax-Hke substance of Lanes- 



dorffia stem, i. 188. 

 Ballistic f ruiU, ii. 840. 

 BalloU, seed protection, iL 44 

 Ballot* nigra, autogamy, ii. 364. 

 Balsam. See Impatient. 

 Balsam, Yellow. See Impatient noli ISMfffV. 

 Balsam and transpiration. L 461. 

 -excretion of capitate hairs, competition. 



restrictive of transpiration. L 312. 

 -name given to varnish-like subsUnot 



excreted by certain leaves, L 237. 

 Balsaminea, extra-floral nectaries. U. 231 

 Baltic flora, colour percentages, IL Ml 



