8o6 



INDEX. 



Axillary buds and branching, 

 472, 473, 497, 499. 505, 

 .507. 

 Axis of growth, 481, 483, 



484, 539)545- 

 A%aka, 780. 

 Azolla, 461. 



B. 



Bacillarieae, 604. 



Bacteria, 245,343, 347, 348, 



369, 380, 383, 384, 385, 



386, 604. 



— cultivation of, 387. 

 ■ — forms of, 387. 



• — pigment-, 387, 



— segmentation of, 387. 

 Bacterium, 387. 



Bal anaphora, 368. 



— fungosa, 28, 63. 

 Balanophores, 63, 232, 368, 



372,476,765. 

 Balsam, 124, 175, 179, 184, 



199, 327, 695, 

 Balsamic secretions, 185. 

 Balsamineae, 640. 

 Banana, 50, 130, 510. 

 Barberry, 57. 

 Barbula, 29. 

 Barium, 383. 

 Bark, 156, 166, 226, 246, 



574- 



— crevices in, 577. 

 Barley, 343, 344, 345, 404, 



687. 



Barren flowers, 791. 



Basal growth, 419, 544. 



Base, 481, 482, 483, 520. 



Bassorin, 90, 180, 328. 



Bast, 131, 145, 159. 



fibres, 160, 163, 576. 



Bastards, 779. 



Bean, 56, 193, 217,228, 262, 

 263, 283, 284, 286, 300, 

 309, 314, 327, 334, 337, 



339, 397, 531, 539, 564, 

 581, 584, 625, 626, 631, 

 633, 636, 638, 639, 640, 

 644, 645, 669, 671, 672, 

 691, 704, 759, 763. 



— 542, 631, 690, 764. 

 Beech, 164, 229, 28S, 493, 



506, 510, 536, 763. 

 Beer-yeast, 385, 386. 

 Beet, 24, 314, 335, 343, 357, 



363, 564, 571, 576. 

 Beggiatoa, 387. 

 Begonia, 143. 



— 310, 489. 



• — cucullata, 316. 

 ■ — rex, 582. 



Berberis, 57, 201, 396, 595, 

 647,654. 



Bertholletia ex eels a, 334. 

 Betula alba, 168. 



— — 184. 



Bignonia, 660, 662, 789. 



— capreolata, 668. 

 Bilateral structure, 485, 489, 



490, 493, 494, 504- 



induced by light, 525. 



Bindweed, 56,548, 640,657, 



669, 670, 671, 676. 

 Biology, 602. 



— of tendrils, 667. 

 Birch, 165, 266, 270. 

 Bitter almonds, oil of, 342. 

 Bituminous substances, 294. 

 Blackberry, 657. 



Black Poplar, 703. 



Bladder-Senna, 759. 



Bleeding of wood, 266, 270. 



Blending of parental charac- 

 ters in hybridisation, 779, 

 782. 



Blood-vessels, comparison of 

 latex-vessels, &c. to, 361. 



Blue bacteria, 387. 



— Bindweed, 670. 

 671. 



— glass, 307. 



— light, 303, 306, 311, 638, 

 696, 697. 



— wood, 163. 

 Blumenbachia, 675. 



— later it ia, 669. 

 Bocconia, 172. 

 Bog-mosses, 465. 



plants, 255. 



Boletus ßa-vidus, 113. 

 Boragineae, 123, 496, 497. 

 Bordered pits, 137, 160, 237, 



424, 581. 

 Bornetia, 335. 

 Botrychium Lunaria, 2n. 

 Botrydiuni, 32, 70, 76, 43 1. 



— granulatum, 4, 611. 



604. 



Bottle-cork, 165. 

 gourd, 658. 



Bowiea volubilis, 668, 670. 



Box, 163. 



Bracken fern, 60, 144, 146, 



462, 471, 699. 

 Bracts, 473. 

 Bramble, 58, 125. 

 Branches, 330, 677, 699, 704, 



705,714. 



— development of, 471, 



— experiments with cut, 

 277, 278. 



• — injection of water into, 

 279- 



— mechanics of, 580, 581. 



— of trees, 580. 

 Branch-systems, 471, 472, 



497. 



Branching, 460, 470, 473, 

 477, 485, 492, 493- 



— axillary, 472, 497, 499. 



— monopodial, 474, 

 Brassica, 159, 283, 326. 



— napus, 546. 



— oleracea, 640. 



— Rapa, 343, 560, 791. 

 Brazil-nut, 334. 

 Brightness, curve of, 305. 

 Broussonetia, 790. 

 Brown leaves, 321. 

 Brugmansia, 370. 



— 371. 



— Zippelii, 66. 



28. 



Bryonia, 658. 



— dioica, 57, 659, 663. 

 Bryophyllum calycinum, 478. 

 Bryopsis, 84, 108, 335, 611, 



612. 

 Bryum, 788. 



— roseum, 113, 150. 

 Bubble-counting, method of, 



304. 



Buckwheat, 193, 283, 549, 

 596. 



Buds, 41, 186, 309, * 326, 

 333, 351, 359, 399, 403, 

 411, 418, 422, 464, 472, 

 476, 481, 483, 486, 487, 

 494, 498, 499, 504, 517, 

 520, 535, 544, 547, 549, 

 565, 706, 714. 



— adventitious, 478. 



— axillary, 473,505, 507. 



— dormant, 475. 



— extra-axillary, 473. 



— pseudo-endogenous, 475, 



479. 



— unfolding of, 547. 



— from prothallia, 801. 

 Bud'scales, 464, 506, 507, 



508. 



Bulbils, 477, 478. 



Bulbs, 43, 59, 61, 300, 312, 

 326, 330, 332, 335, 343, 

 350, 357, 366, 404, 418, 

 462, 478, 534, 565, 722, 

 798. 



Bulb-scales, 335, 357. 



Butomaceas, 181. 



Butomus umbel latus, 758, 760. 



759. 



Buttresses on tree-trunks, 

 579, 580. 



Butyric acid, 386. 



— fermentation, 386. 

 Buxus, 321. 

 Bye-products, 362. 



Cabbage, 159, 228, 264, 278, 

 283, 640. 



