INDEX, 



Aira flexuosa, pollination, ii. 142. 

 Air-bladders of Macrocystis, ii. 633. 

 Air-chambers of Marchantia, ii. 697. 

 Air-spaces in aquatic plants, i. 424. 



of mesophyll, i. 279. 



Aizoon, group of Saxifrages, i. 233. 

 Aizoonia, autogamy, ii. 337. 

 Ajuga, ii. 40. 



hybrids, ii. 585. 



Ajuga chamsepitys, facultative perennial, ii 



453. 

 Ajuga reptans, stolons, i. 663. 



vitality of spermatoplasm, ii. 96. 

 Akebia quinata, Japan, nutation, i. 683. 

 Akinetes, of Chlorophyceae, ii. 628. 



of Pleurococcus, ii. 636. 

 Albizzia, pollen-chambers, ii. 90. 

 AJbuca, cross-fertilization, ii. 301. 



nectaries, ii. 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. 

 Albuminoids, 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 Alchemillie, ii. 524. 



unfolding leaves, i. 349. 



vernation, i. 349. 



Alcohol, production, i. 506. 

 Alder. See Alnus. 



Alpine. See Alnus 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. 



pollen dispersion, ii. 105. 



trap mechanism, i. 150. 

 Aleochara and indoloid scents, ii. 207. 

 Aleochara f uscipes, and Dracunculus Creti 



cus, ii. 165. 



Aleppo Pine. See Pinus halepensis. 

 Aleurone grains, i. 42, 457, 458. 

 Aleutians and fish-lines of Nereocystis, ii 



663. 



Alf redia, absorption cells of hairs, i. 227. 

 Alfredia cernua, i. 97. 



practical demonstration of irrigation 



i. 96. 

 Algje, 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 Kirgisorum, 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, 11. 234. 

 Alisma natans, sub-aqueous fertilization, ii 



391 



Alismacese, 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 claRs, ii. 617. 

 Alliances, of Braun, ii. 605. 

 Alliaria, nectary, ii. 175. 

 AUioideje, characteristics, ii. 731. 

 Allionia, cross-fertilization, ii. 304. 



nectaries, ii. 177. 



Allionia violatva, 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 Chanuemoly, no wers 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. 



Allium odorum, origin of accessory embryos, 

 ii. 469. 



Allium pater-familias, numerous bulbs, ii. 

 831. 



Allium pornim, ii. 731. 



Allium rotundum, leaf twist, i. 429. 



staminal stipules, ii. 89. 



Allium sativum, cotyledon and germination, 

 i. 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 Sphserocephalum, stamen, ii. 87. 



staminal 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. 



Allium vineale, mechanical tissue arrange- 

 ment, i. 730. 



Allosorus, 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, 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 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 Cecidomyia alni, 



ii. 534. 

 &c., bracts and Exoascus Alni-lncanse, 



ii. 524. 



chalazogamic fertilization, ii. 413. 



inflorescences, ii. 135. 



root-galls, ii. 521. 



Alnus incana andExoascus epiphyllus. ii. 527 

 _ _ two-coloured leaves, habitat, i. 293. 

 with galls of Exoascus Alni-incame, it 



Alnus orientalis, mite-galls, ii. 529. 

 Alnus viridis, and snow, i. 650. 

 mite-galls, ii. 529. 



Aloe, aqueous tissue, i. 328. 



- caudex. i. 714. 



iculata, pollen-grains, ii. 97. 

 Aloes, ii. 731. 



Cape, mucilaginous juices, i. 329. 



germination, i. 604. 

 Alonsoa, scarlet flowers, ii. 198. 



U.iH-riirus. i*>llinuti..ii. ii 14-J. 

 Alpine and Arctic floras, ii. 905. 



experimental garden, Kerner's, i. 888. 



floras, autogamy in. it 400. 



I, multiplicity of 

 198. 



plants, high, characteristics of. i. 315 



Rose. See JViododfndron *irmm. 



Rose-apples, ii. 520. 



See Atraytne alpina. 



- Willows, Tyrol, i. 524. 

 Alpiuia, ii. 289. 736. 



- hermaphrodite, ii. 296. 



Alps, Central Europe, autumnal tints, I. 488. 



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, IL 688. 



observations relating to ammonia, i. 65. 



soil, temperature, and elevation, i. 625. 



winter cold, i. 547. 



Alsike Clover. Bee Tri/Wium h v bridum 

 Alsine Oerardi, autogamy, it 355. 

 Alsine mucronata, nectaries, ii. 176. 

 Alsine rubra, weather and autogamy, ii. L 

 Alsine verna. cross-fertilization, ii. 307. 



nectaries, ii. 176. 



Alsineaa. autogamy, ii. 337. 

 Alsophila. ii. 473. 



caudex, ii. 705. 



sorus and iudusium, ii. 708. 



Alsophila excelsa, dimensions of caudex, L 



714. 

 Alternation of generations, ii. 7. 



advantage of, ii. 484. 



among zoophytes, ii 470. 



and origin of specie*, ii. 691 



in Algse, ii. 481. 



in Mosses, ii. 477, 479. 



in Phanerogams, il. 478. 



in Thallophyta, ii. 480. 



Altha-a officinalis, stomatal protective hairs, 



i. 292. 

 Althtwa pallida, effect of mutilation, ii. 517. 



sheltering of pollen, ii. 108. 



Althaea rosea, sheltering of pollen, ii. 108. 

 Alumina in cell-wall, L 72. 



in dust, i. 81. 



- rarely absorbed, L 68. 

 Alyssum, nectaries, ii. 175. 



peripheral flowers, ii 186. 

 Alyssum calycinum, autogamy, ii 339. 



colour contrast in inflorescence, ii. 191 



Alyssum cuneatum, umbellate raceme, ii 



184. 

 Alyssum montanum, i. 326. 



- - scent, ii. 201 



Alyssum Wierzbickii, hairs, i. 321. 

 Alyssum Wulfenianum. peripheral flowers. 



ii. 186. 



Amanitamuscaria. SeeAgariciumiucariiu. 

 Amanita phalloides, basidia and spores, il 



21,685. 



Amaranth, green. See AmaranUu Blit*m. 

 Amaranthacesa, bracts, ii 760. 



- leaf-rosettes, i 412. 



perianth, ii. 749. 



Amarantus Blitum, leaf-mosaic, i. 411. 

 Amaryllidaces?, autogamy in, ii 371 



- characteristics, ii. 734. 



- epiphyllous buds, Ii. 43. 

 Amaryllis. Ii. 734. 



- buds on carpels, ii. 44. 



- cross-fertilization, ii. 301. 



incompletely protogynous, Ii. 31L 



ovular tubers or buds, Ii. 469. 



pollen-grains, ii 99, 100. 

 _ scentless, ii. 209. 



