INDEX. 



927 



Aira flesuosa, pollination, ii. 142. 

 Air-bladders of Maoiocystia, ii. 633. 

 Air-chambers of Marchantia, ii. 697. 

 Air-spaoes in aquatic plants, i. 424. 



of mesophyll, i. 279. 



Aizoon, group of Saxifrages, i. 233. 

 Aizoouia, autogamy, ii. 337. 

 Ajuga, ii. 40. 



— hybrids, ii. 585. 



Ajuga champepitys, facultative perennial, ii. 



453. 

 Ajuga reptans, stolons, i. 663. 



vitality of sperm atoplasm, ii. 96. 



Akebia quinata, Japan, nutation, i. 683. 

 Akinetes, of Chlorophycese, ii. 628. 



— of Plemococcus, ii. 636. 

 Albizzia, pollen-charabei-s, ii. 90. 

 AJbuca, cross-fertilization, ii. 301. 



— nectaries, ix. 175. 



Albuca minor, pollen-grains, ii. 98. 

 Albumen, formation, i. 458. 



— of seed, nature of, ii. 421. 



— osmotic behaviour of, i. 59. 

 Albumens, coagulation, i. 553. 



— composition, i. 457. 



— decomposition and reconstruction, i. 464. 



— putrefactive decomposition, i. 506. 



— soluble and insoluble, i. 458. 

 Albiuninoids, i. 72. 

 Albuminous, applied to seed, ii. 421. 



— substances, conducting tissues for, i. 480. 

 Albumins, and respiration, i. 495. 

 Alchemilla, absorption of water collected in- 

 considerable, i. 240. 



— dehiscence of pollen-sacs, ii. 92. 



— honey, ii. 173. 



— protection of pollen, ii. 124, 125. 

 Alchemilla vulgaris, i. 228. 



and animals, i. 432, 



autogamy, ii. 350. 



effect of Uromyces Alchemillae, ii. 524. 



unfolding leaves, i. 349. 



vernation, i. 349. 



Alcohol, production, i. 506. 

 Alder. See Alnus. 



— Alpine. See Alnus viridis. 



— gray. See Alnus incanu. 

 Aldrovandia, i. 148. 



— dispersal of offshoots, ii. 807. 



— distribution, habitat, description, &c., i. 



151. 152, 153. 



— floating habit, i. 668. 



— pollen dispersion, ii. 105. 



— trap mechanism, i. 150. 

 Aleochara and indoloid scents, ii. 207. 

 Aleochara fuscipes, and Dracunculus Oreti- 



cus, ii. 165. 

 Aleppo Pine. See Pinus halepensis. 

 Aleurone grains, i, 42, 457, 458. 

 Aleutians and fish-lines of Nereocystis, ii. 



663. 

 Alfredia, absorption cells of hairs, i. 227. 

 Alfredia cemua, i. 97. 



practical demonstration of irrigation, 



i. 96. 

 Algse, and heat, i. 554. 



— calcareous, marine, reef-forming, i. 261- 



— dispersal, i. 246. 



— distribution in lichen-thallus, i. 244; ii. 694. 



— division of Thallophyta, ii. 604. 



— partners in lichen-thallus, i. 246. 



— proper application of term, i. 246. 



— saprophytic, food-absorption, i. 113 



— symbiosis with animals, i. 254. 



— symbiosis with lichens, ii. 691. 

 Algeria, thistles, i. 438. 



Alhagi Eargisorum, spines, i. 443. 



Alighting-platforms for insects, ii. 225. 



Alimentary canal, seeds passed through, ii 

 862. 



Alisma, no special arrangement for rain- 

 water conduction, i. 98. 



— protective isolation by water, ii. 234. 

 Alisma natans, sub-aqueous fertilization, ii. 



391. 

 Alisraacese, floral characters, &c., ii. 739. 

 Alkalies, i. 83. 



Alkaloid, protective, of Atropa Belladonna, 



i. 431. 

 Alkaloids, function, i. 462. 



— poisonous, in roots, i. 763. 

 Alliance, subdivision of class, ii. 617. 

 Alliances, of Braun, ii. 605. 

 Alliaria, nectai-y, ii. 175. 

 Allioideae, characteristics, ii. 731. 

 Allionia, cross-fertilization, ii. 304. 



— nectaries, ii. 177. 



Allionia violacea, autogamy, ii. 357. 



opening and closing, ii. 212. 



Allium, cotyledon in germination, i. 606. 



— epiphyllous buds, ii. 43. 



— polyembryony, ii, 469. 



Allium ascalonicum, &c., scent, ii. 488. 



Allium Cepa, ii. 731. 



absorbent cells of cotyledon, i. 600. 



fistular leaves, i. 428. 



germinating seed, i. 599. 



Allium Chamsemoly, flowers and autogamy, 

 ii. 386. 



nectaries, ii. 175. 



plant, ii. 386. 



scent, ii. 199, 203. 



stamen movements, ii. 303. 



Allium fistulosum. fistular leaves, i. 428. 



Allium obliquum, leaf twist, i. 429. 



Alliiun odorum, origin of accessory embryos, 

 ii. 469. 



Allium pater-famihas, numerous bulbs, ii. 

 831. 



Allium porrum, ii. 731. 



Allium rotundum, leaf twist, i, 429. 



staminal stipules, ii. 89. 



Allium sativum, cotyledon and germination, 

 i. 606. 



Allium Schcenoprasum, il. 488. 



fistular leaves, i. 428. 



Allium scorodoprasum, ii. 731. 



Allium senescena, leaf twist, i. 429. 



AlHum Sibiricum, scent of flowers and 

 fohage-leaves, ii. 199. 



Allium Sphserocephalum, stamen, ii. 87. 



staminal stipules, ii. 89. 



Allium suaveoleos, scent of flowers and 

 foliage-leaves, ii. 199. 



Allium ursinum, bud, emerging from soil, 

 i. 640. 



habitat, i. 654. 



Allium Victorialis, geitonogamy, ii. 327. 



stigma, ii. 283. 



Allium vineale, mechanical tissue arrange- 

 ment, i. 730. 



AUosorus, protection of sporangia, ii. 13. 



— two kinds of fronds, ii. 12, 476. 

 Allosorus crispus, i. 451. 

 Allurement, means of, in pitchers, i. 124, 

 Alluring substances, i. 460. 



Almond oil, decomposition, i. 462. 

 Almonds, conglntiu, milk of, i. 458. 

 Alnus and gall-mites, ii. 529. 



— arrangement of foliage-leaves, i. 92. 



— flowering, ii. 150. 



— monoecious, ii. 297. 



— phyllotasis, i. 399. 



— pollen-grain, ii. 102. 



— pollen storing and dispersion, ii. 94, 148. 



— pollination, ii. 133, 135. 



— protection of pollen, ii. 119. 



— protogynous, ii. 313. 



— roots, i. 752. 



— texture of mite-galls, ii. 532. 



Alnus glutinosa and gall of Oecidomyia alni, 



ii. 534. 

 &c., bracts and Exoascus Alni-incanse, 



ii. 524. 



chalazogamic fertilization, ii. 413. 



inflorescences, ii. 135. 



rool^galls, ii. 521. 



Alnus incana andExoascus epiphyllus, ii. 527. 



two-coloured leaves, habitat, i. 293. 



lyith galls of Exoascus Alni-incanas, ii. 



623. 

 Alnus orientalis, mite-galls, ii. 529. 

 Alnus viridis, and snow, i. 550. 

 mite-galls, ii. 529. 



Aloe, aqueous tissue, i. 328. 



— caudex, i. 714. 



Aloe denticulata, pollen-grains, ii. 97. 

 Aloes, ii. 731. 



— Cape, mucilaginous juices, i. 329. 



— germination, i. 604. 

 Aloiisoa, scarlet flowers, ii. 196. 

 Alopecurus, pollination, ii. 142. 

 Alpine and Arctic floras, ii. 905. 



— experimental garden, Kerner'a, i. 393. 



— floras, autogamy in, ii. 400. 



— flowers, multiplicity of colours of, ii. 



198. 



— plants, high, characteristics of, i. 315. 



— Rose. See BJiododendron hirsutum. 



— Bose-apples, ii. 520. 



— Vine. See Atragene alpina. 



— Willows. Tyrol, i. 524. 

 Alpmia. ii. 289, 736. 



— hermaphrodite, ii. 296. 



Alps, Central Europe, autumnal tints, i. 489. 



— Central, lime incrusting Saxifrages, i. 71. 

 meadows, herbage, i, 451. 



— early leaf-fall in, i. 357. 



— protected vegetation, i. 450. 



— red snow in. i. 38. 



— Tyrolese, estabhehed hybrids in, ii. 588. 



observations relating to ammonia, i. 65. 



soil, temperature, and elevation, i. 525. 



— winter cold, i. 547. 



Alsike Clover. See TrifoUum hybridum 

 Alsine Gerardi, autogamy, ii. 355. 

 Alsine mucronata, nectaries, ii. 176. 

 Alsine rubra, weather and autogamy, ii. 391. 

 Alsine vema, cross-fertilization, ii. 307. 



nectaries, ii. 176. 



Alsinese. autogamy, ii. 337. 

 Alsophila, ii. 473. 



— caudex, ii. 705. 



— sorus and indusium, ii. 708. 



Alsophila excelsa, dimensions of caudex, i. 



714. 

 Alternation of generations, ii. 7. 



— — advantage of, ii. 484. 



among zoophytes, ii. 470. 



and origin of species, ii. 594. 



in Algae, ii. 481. 



in Mosses, ii. 477, 479. 



in Phanerogams, ii. 478. 



in Thallophyta, ii. 480. 



Altbasa oflicinalis, stomatal protective haiiB, 



i. 292. 

 Althaea pallida, effect of mutilation, ii. 517. 



sheltering of pollen, ii. 108. 



Althsea rosea, sheltering of pollen, ii. 108. 

 Alumina in cell-wall, i. 72. 



— in dust, i. 81. 



— rarely absorbed, i. 68. 

 Alyssum, nectaries, ii. 175, 



— peripheral flowers, ii. 186. 

 Alyssum calycinum, autogamy, ii. 339. 



colour contrast in inflorescence, ii. 192. 



Alyssum cuneatum, umbellate raceme, ii. 



184. 

 Alyssum montanum, i. 325. 



scent, ii. 202. 



Alyssum Wierzbickii, hairs, i. 321. 

 Alyssum Wulfenianum, peripheral flowers 



ii. 186. 

 Amanita muscaria. See .4 garicus muscariua, 

 Amanita phalloides, basidia and spores, ii, 



21. 685. 

 Amaranth, green. See Atnarantus Blitum. 

 AmaranthaceEB, bracts, ii. 750. 



— leaf-rosettes, i. 412. 



— perianth, ii. 749. 



Amarantus Blitum, leaf-mosaic, i. 411. 

 AmaryllidaccEe, autogamy in, ii. 372. 



— characteristics, ii. 734. 



— epiphyllous buds, ii. 43. 

 Amaryllis, il. 734. 



— buds on carpels, ii. 44. 



— cross-fertilization, ii. 301. 



— incompletely protogynous, ii. 31L 



— ovular tubers or buds, ii. 469. 



— poUen-grains, ii. 99, 100. 



— scentless, ii. 209. 



