INDEX. 



927 



Aira flezuosa, pollination, ti. 142. 

 Air-bladders of Macrocystis, ii. 633. 

 Air-cbambers of Marchantia. ii. 697- 

 Air-spaces in aquatic plants, i. 424. 



of nu-sophyll. i. 279. 



Aizoon, group of Saxifrages, i. 233. 

 Aizoonia, autogamy, it. 337. 

 Ajuga, ii. 40. 



— bybrids, ii. 5S5. 



Ajuga chamKpitys, facultative perennial, ii. 



453. 

 Ajuga reptans, stolons, i. 663. 



vitality of sperm atoplasm, ii. 96. 



Akebia quinata, Japan, nutation, i. 683. 

 AkinetcSs of Chlorophyce», ii. 628. 



— of Plemx>coccus, ii. 636. 

 Albizzia, pollen-cbambers, ii. 90. 

 Albuca, cross-fertilization, U. 301. 



— nectaries, ii, 175. 



Albuca minor, pollen -grains, ii. 98. 

 Albumen, formation, i. 453. 



— of seed, nature of, ii. 421. 



— osmotic beliaviour of, i. 59. 

 Albumens, coagulation, i. 553. 



— composition, t 457. 



— decomposition and reconstruction, i. 464. 



— putrefactive decomposition, i. 506. 



— soluble and insoluble, i. 458. 

 Albuminoids, i. 72. 

 Albuminous, applied to seed, ii. 421. 



— substances, conducting tissues for, i. 480. 

 Albvuuins, 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, iL 124, 125. 

 Alchemilla vulgaris, i. 228. 



and animals, i. 432. 



autogamy, ii. 350. 



effect of TJromyces Alchemillie, ii. 524. 



unfolding leaves, i. 349. 



vernation, i. 349. 



Alcohol, production, i. 506. 



Alder. See Alniis. 



~ Alpine. See Alius viridis. 



— gray. See Alnus incana. 

 Aldrovandia, i. 148. 



— dispersal of offshoots, ii. 807. 



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



151. 152. 153. 



— floating habit, i. 668. 



— IKJllen dispersion, ii. 105. 



— trap mechanism, i. 150. 

 Aleochara and indoloid scents, ii. 207. 

 Aleochara fuscipes, and Dracunculus Creti- 



cus, ii. 165. 

 Aleppo Pine. See Pinus haJepensis. 

 Aleurone grains, i. 42, 457. 458. 

 Aleutians and fish-lines of Nereocystis, ii. 



663. 

 Alfredia, absorption cells of hairs, i. 227. 

 Alfredia cemua, L 97. 



practical demonstration of irrigation, 



i. 96. 

 Alga^, and heat, i. 554. 



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



— disiH-rsal, i. 24*>. 



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



— division of Thallophyta, ii. 604. 



— partners in lichen -thall us, 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 Kirgisorum, spines, i. 443. 



Alighting-platforms for iDsecta. ii. 225. 



Alimentary canal, seeds passed through. iL 

 862. 



AUsma, no special arrangement for rain- 

 water conduction, L 98. 



— protective isolation by water, ii. 234. 

 Alisma natans, sub-a/iueous fertilization, ii. 



391. 

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

 AlkaUes, i. 83. 



Alkaloid, protective, of Atropa Belladonna, 



i. 431. 

 Alkalnids, function, i. 462. 



— liuisonoua, in roots, i. 763. 

 Alliance, subtlivision of class, ii. 617. 

 Alliances, of Braun, ii. 605. 

 AUiaria, nectary, ii. 175. 

 Allioideaj. characteristics, ii, 731. 

 Allioiiia, cross-fertilization, ii. 304. 



— nectaries, ii. 177. 



AUionia violacea, autogamy, ii. 357. 



opCMiing and closing, ii. 212. 



Allium, cotyledon in germination, i. 606. 



— cpiphyllous buds. ii. 43. 



— pnlyi'uibryony, ii. 469. 



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

 Allium Cepa. ii. 731. 



absorbent cells of cotyledon, L 600. 



fistular leaves, i. 428. 



gorminating seed, i. 599. 



Allium Chamiemoly, 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-familias, numeroia bulbs, ii. 



831. 

 Allium porrmn, ii. 731. 

 Allium rotundum, leaf twist, i. 429. 



— — stamiual stipules, ii. 89. 



Allium sativum, cotyledon and germination, 



1.606. 

 Allium Schoenoprasum. ii. 488. 



fistular leaves, i. 428. 



Allium scorodoprasum. ii. 731. 



Allium senescens, leaf twist, i. 429. 



Allium Sibiricum, scent of flowers and 



foliage-leaves, ii. 199. 

 Allium Sphierocephalum, stamen, ii. 87. 



— — staniinal stipules, ii. 89. 



Allium suaveolens, 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. 



AUium vineale, mechanical tissue arraoge- 



ment. i. 730. 

 Allosorus, protection of sporangia, ii. 13. 



— two kinds of fronds, ii. 12. 476. 

 Allosoms crispus, i. 451. 

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

 Alluring substances, i. 460. 



Almond oil. decomposition, i. 462. 

 Almonds, conglutin, milk of, i. 458. 

 Alnus and gall-mites, ii. 529. 



— arrangement of foliage-leaves, i. 92. 



— flowering, ii. 150. 



— monoecious, ii. 297. 



— phyllotaxis. i. 399. 



— pollen-grain, ii. 102. 



— pollen storing an<l dispersion, ii. 94. 148. 



— poUinatiun, ii. 133. 135. 



— protection of pollen, ii. 119. 



— protogynous, iL 313. 



— roots, i. 752. 



— texture of mite-galls, ii. 532. 



Alnus glutinosa and gall of Cecidomyia alni. 



ii. 534. 

 &c., bract« and Exoascus Aliii-incan:e, 



ii. 524. 



chalazogamic fertilization, ii. 413. 



inflorescences, ii. 135. 



root-galls, ii. 521. 



Alnus incana and Exoascus cpiphyllus. ii. 527. 



two-coloured leaves, habitat, i. 293. 



with galls of Exoascus Alni-incann.-. il. 



623. 

 Alnus orientalis, mite-galls, if. 529. 

 Alnus viridis, and snow, i. 550. 

 mlte-galls, ii. 529. 



Aloe, aqueous tissue, 1. 328. 



— caudex, i. 714. 



Aloe denticulata, pollen-grains, ii. 97. 

 Aloes, ii. 731. 



— Cape, mucilaginous juices, i. 329. 



— germination, i. 604. 

 Aloiifioa, acivriet flowers, U. 196. 

 Alopecurus. pollination, ii. 142. 

 Alpine and Arctic floras, ii. 905. 



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



— floras, autogamy in, ii. 400. 



— flowera, multiphcity of colours, ii. 198. 



— flowers in the Tyrol, ii. PI. XJI. 



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



— Rose. See Bhododendron hirsutum. 



— Rose-apples, ii. 520. 



— Vine. See Atragene alpijia. 



— WiUows, Tyrol, i. 524. 

 Alpiuia. ii. 289, 736. 



— hermaphrodite, ii, 2%. 



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, established hybrids in, ii. 588. 



observations relating to ammonia, i. 65. 



soil, temperature, and elevation, i. 525. 



— winter cold, i. 547. 



Alsike Clover. See Trifolium kybridum 

 Alsine Gerardi, autogamy, ii. 355. 

 Alsine mucronata, nectaries, ii. 176. 

 Alsine rubra, weather and autogamy, ii- 391. 

 Alsine vema, cross- fertilization, iL 307. 



nectaries, ii. 176. 



AlsinefB. autogamy, ii. 337. 

 Alsopbila, ii. 473. 



— caudex, ii. 705. 



— sorus and indusium, ii. 708. 



AlsDphila escelsa, 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 Algte, ii. 481. 



in Mosses, ii. 477. 479, 



in Phanerogams, ii. 478. 



in Thallophyta, ü. 480. 



Altbfea officinalis, stomatal protective hairs, 



i. 292. 

 Althiea pallida, effect of mutilation, iL 517, 



sheltering of pollen, iL 108. 



Althcea 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, iL 



184. 

 Alyssum montanum, i. 325. 



scent, ii. 202. 



Alyssum Wierzbickii. hairs, i. 321. 

 Alyssum Wulfoniaiium, peripheral flowers, 



ii. 186. 

 Amanita muscaria. See Auariciui mujtcariim. 

 Amanita phalloides, basidia and spores, iL 



21. 685. 

 Amaranth, green. See AmararUua Blilum. 

 Amarauthaceaj, bracts, ii. 750. 



— leaf- rose It es. L 412. 



— jicriaTith, ii. 749. 



Amarantus Blitum, leaf-mosaic, i. 411. 

 Amar>-llidacea*, autogamy in, ii. 372. 



— characteristics, ii. 734. 



— cpiphyllous buds. ii. 43. 

 Amaryllis. iL 734. 



— buds on carpels, ii. 44, 



— cross- fertilization, ii. 301. 



— incompletely protogj'nous, ii. 311. 



— ovular tubers or buds, 11. 469. 



— pollen -grains, ii. 99. 100. 



— scenth-ss, ii. 209. 



