INDEX 



779 



Assimilation, 247 ; amount of, 254 ; of 



carbon dioxide, products of, 252 

 Assimilation experiment, *253 

 Aster, 716 

 Asteroxylon, 501 

 Astragalus, *672, 673 

 Atriplex, 627 



Atropa, 697, *698, 699, 703 

 Atropous ovule, 539, *540 

 Attaching roots, 184 

 Auricularia, 460 

 Auricularieae, 460 

 Autogamy, 201 

 Autonomy of characters, 322 

 Autotrophic connophytes, 165 

 Autumn Crocus, Golchicum autumnale 

 Autumn wood, 153, 154 

 Auxanometers, 27S, *279 

 Auxiliary cells, 425 

 Auxospores, 389, *391 

 A vena, 734 

 Avicennia, 694 

 Axillary buds, 121 

 Azolla, 513, 515 

 Azotobacter, 259 

 Azygospores, 435 



Bacillariaceae, 387 



Bacillus, 370, *371, *372, 373, 374 



Bacillus radidcola, 260 



Bacteria, *74, 370 ; pathogenic, 374 



Bacterioids, *260 



Bacterium, 370 



Balsamodendron, 655 



Bambusa, 730, 734 



Banana, Musa 



Banyan, Ficus bengalensis 



Bark, 59 ; formation of, 163 



Barley, Hordeum vulgare 



Barosma, 654 



Bartsia, 191, 259, 704 



Basidiobolaceae, 436 



Basidiobolus, 428, 436 



Basidiolichenes, 474 



Basidiomycetes, 451 



Basidiospores, 451, 455 



Basidium, 437, 451, 455 



Bast, 68, 158 



Bast fibres, 158 



Batrachium, 636 



Batrachospermum, 423, *424, *425 



Beaked Parsley, Anthriscus 



Beech, Fagus sylvatica 



Beet, Beta vulgaris 



Beetles, pollination of flowers by, 607 



Beggiatoa, 371, 376 



Begonia, 195 ; regeneration, *283, *285 



Ben nett itaceae, 605 



Bennettites, *605, *606 



Benthos, 74 



Berberidaceae, 638 



Berberis, 638 



Berry, 584 



Berula, 682 



Beta, 627 



Betula, 610, *6ll 



Betulaceae, 609 



Biddulphia, *390 



Bignoniaceae, anomalous secondary growth, 



*183 



Biogenetic law, 209 

 Bird's-Foot, Ornithopus sativus 

 Bird's-foot Trefoil, Lotus 

 Bird's-nest Orchid, Neottia 

 Bitter principles, 29 

 Bitter-sweet, Solanum dulcamara 

 Blackberry, Rubus 

 Black Currant, Ribes nigrum 

 Black Mustard, Brassica nigra 

 Blaeberry, Vaccinium myrtillus 

 Blasia, 80, *81, *488, 489 

 Bleeding, 234 



Blue-green Algae, Cyanophyceae 

 Bocconea, 642 

 Boehmeria, 619 

 Bog-Bean, 3fenyanthes 

 Bog Mosses, Sphagnaceae 

 Boletus, *464 

 Borage, Borago 

 Boraginaceae, 694 

 Borago, *694 

 Bordered pit, *67 

 Bostryx, *130 

 Boswellia, 655 

 Botrychium, *504, 505 

 Botrydium, *408 

 Bouditra, 438, *447 

 Bovista, 468 

 Bowenia, 589 

 Bracteal leaves, 118 

 Bracteole, 123 

 Branching, 75 ; cymose, 76, 127 ; dicho- 



tomous, 75, *76; false, 76, *78 ; 



lateral, 75, *76 ; monopodial, 126 ; 



racemose, 125 ; of the root, 138 

 Branch system, construction of, 123 

 Brassica, *643, *644, 645 

 Brim, 734 



Broad Bean, Vicia Faba 

 Bromeliaceae, 730 

 Bromus, 734 



Brown Algae, Phaeophyceae 

 Bruguiera, 674 

 Bryales, 494 



Bryonia, 709 ; pollen, *541 

 Bryony, Bryonia 

 Bryophyllum, 195, 658 

 Bryophyta, 80, 475 ; antheridia, 477 ; 



archegonia, 478 ; fossil, 482 ; phylo- 



geny, 481 ; sexual reproduction, 200 ; 



sporogonium, 480 

 Bryopsis, 406, 407 



