8io 



INDEX 



Antirrhinum, %2j. 



Antiseptics, 778. 



Apex of leaf, 71. 



Apheliotropic, 253. 



Apium, 444. 



Apocarpous, 86. 



Apogeotropic, 255. 



Apple, 30, 39 (Fig. 19), 40, 66, 82, 95, 

 96, 100, 103, 128, 15s, i6i, 260, 262, 

 263, 268, 378, 280, 306, 310, 405. 



Apricot, 49, 66, 99, 399. 



April wheat, 527. 



Aquilegia, 326. 



Arctium, 1X32. 



Arnica, 470. 



Arrhenatlurum, 536, 552, 669, 



Arthrospores, 773. 



Artichoke, 56, 163, 223, 229, 470, 



Artificial pollination, 299. 



Arum, 74, 90. 



Arum-lily, 189. 



Ascent of water, 198, 199. 



Ascocarp, 745, 751. 



Ascoraycetes, 688, 745. 



Ascospore, 745, 751 (Figs. 225, 257). 



Ascus, 681, 74S, 751 (Figs. 225, 257). 



Ash, 18, 44, 61, 71, 81, 83, 192, 124, 

 128, 13s (Figs. 57, 6s), 305. 



Ash of Plants, 153, 204. 



Asparagine, 168, 218, 219, 224, 23T. 



Asparagus, 167, 176 (Figs. 69), 739. 



Aspen, 66. 



Assimilation, 208, 210, 234. 



Aster, 470. 



Atavism, 317. 



Atriplex, 176, 351. 



Atropa, 468. 



Atropine, 468. 



Autobasidiomycetes, 726, 740. 



Autoecious, 726. 



Autumn-wood, 124 (Fig. 64). 



Avena, 493, 539, 552, 668. 



Avens, 408. 



Awn, 479. 



Awnless Brome-grass, 545. 



Axil, 38. 



Axile, placentation, 87 (Fig. 38). 



Axillary buds, 38. 



Axis, primary, 10, 40. 



secondary, 40. 



Azalea, 225. 



Azotobacter, 794. 



Bacillus, 769 (Fig. 260). 



anthracis, 804. 



Bacteria, 324, 769, 803. 



Bacteria, conditions of development, 774. 



forms of, 769 (Fig. 260). 



reproduction of, 770, 771 (Fig. 



262). 



work of, 779. 



Bacterial Diseases of Animals, 803. 



Plants, 805. 



Bacterium, 769. 



Bacteroids, 797 (Fig. 265). 



Balsams, loi, 189. 



Banana, 278. 



Barberry, 65, 74, 731. 



Bark, 129. 



Barley (Figs. 10, 70, 71, 159-163, 192, 



193). 276, 279, 317, 500-sir. 

 Basidiomycetes, 688, 715. 

 Basidiospore, 715, 726, 743 (Fig. 252). 

 Basidium, 726, 743 (Fig. 252). 

 Bast (Figs. 54, 55), 117, 119. 

 Bast-parenchyma, 120. 

 Bast-vessel, 119-120. 

 Bates' Hop, 343. 



Battledore barley, 504 (Fig. 161). 

 Bay-leaved willow, 65. 

 Bean, common, 7 (Figs. 1-4, 9, ir, 74), 



18, 72, 276, 280, 303, 309, 416. 



dwarf, 284. 



rust of, 739. 



varieties of, 416-7. 



Bearbine, 597, 601. 



Bearded wheats, 527 (Fig. 170), 



Bedstraw, 606. 



Beech, 63, g6, 128, 136 (Fig. 68), 212, 



225, 226. 

 Beet, 108, 176, 2r2, 31 r, 35r, 



rust of, 740. 



Begonia, 51, 259, 287. 



Belgian carrots, 449. 



BelliSf 322, 607. 



Bent-eared barley, 506 (Fig. i6r). 



Bent-grasses, 534, 535. 



Benzaldehyde, 231. 399, 



Berberis, 65, 731. 



Bere, 501 (Fig. 160). 



Berry, 99 (Fig. 46). 



Beta, 350, 35r. 



Betaine, 167. 



Betula, 63. 



Biennials, 4, 223, 578. 



Bigarreau cherry, 49, 67, 264, 400. 



Bigeneric hybrids, 287. 



Bigg, 501. 



Bmdweed. 53, 326, 573, 597, 601. 



Biological varieties, 733. 



Biology, r. 



Birch, 63, 187. 



