724 



BOTANY 



Berry, *520 



Bertholletia, albumen crystals, 77 ; fat, 78 



Berula, 641 



Beta, 568, *569 ; etiolation, 259 



Betula, *557, 558 ; bark, 149 



Betulaceae, 557 



Betulin, 149 



Bicollateral bundles, 113 



Bidats, 687 



Bignoniaceae, 666 ; anomalous thicken- 

 ing, *143, *144 



Bilateral flowers, 508 ; symmetry, 16 



Biophytum, 610 



Birch, Betula 



Bird Cherry, Prunus arlum 



Bird's Nest, Monotropa 



Bird's-nest Orchid, Neottia, 



Bisymtnetrical flowers, 508 



Bitter principles, 80, 226 



Blackberry, Rubus 



Blackthorn, Prunus spiimsa 



Blasia, *14, *4'29 



Bleeding of plants, 201 



Blepharoplasts, 61 



Boehmeria, 566 



Bogbean, Menyanthes 



Boletus, 410, *411 ; tissues, *97 



Borage, Borago 



Boraginaceae, 657 



Borago, *657, 658 



Bordered pits, 67 



Boron in plants, 187 



Bostryx, *512 



Bosicellia, 614 



Botrychium, 443, *444 



Botrydium, *352 



Boudiera, 389 



Bovista, 414 



Bracken, Pteris aquilina 



Bract, 37, 509 ; scale, 495 



Bracteal leaves, 31, 37 



Bracteole, 509 



Branch systems, *17 



Branched pits, 66 



Brand spores, *401 



Brassica, *588, *589, 590; adventitious 

 shoots, 20 



Brazil nut, Bertholletia 



Bread-fruit, Arlocarpus 



Bristles, 105 



Briza, 530 



Bromeliaceae, 544 ; climbing roots, 48 ; 

 epiphytes, 213 



Br/'iHHS, 530 



Bromine in plants, 187 



Broom, Spartium 



Brown Algae, Phaeophyceae, 365 



Brucine, 226 



Bruquiera, 632 



e, 436 ; acrocarpae, 438 ; pleuro- 

 carpae, 438 ; stomata, 154 



Brijonia, *678 



Bryony, Bryonia, 



BryopfiyUvm, 592; bmls,j21 



Bryophyta, 421 ; form, 14 ; fossil, 466 ; 



structure, 153 

 Bryopsis, 251, 361 

 Buchu folia, 614 

 Buckwheat, Fagopynnn 

 Bud, 19, *22, *252 ; metamorphosis of, 



23 ; resting, 22 ; scales, -J-J. *36, 



37, 101 

 Budding, 251, *252 ; multiplication by, 



301 



Bngloss, AV7//V/// 

 Bulb, *24 



Bulbils, *23, *28, 301 

 Bulbochaete, 358, *359 

 Bundles, bicollateral, 113; cauline, 126; 



collateral, 113 ; common, 126 ; con- 



centric, 113 ; course of, 123-126 ; 



foliar, 126 ; open, 114 ; terminations 



of, 114 



Bupleurum, 640 

 Burdock, /./'/' 

 Burnet Saxifrage, I'ii/ijiind!<i 

 Burseraceae, 614 

 Butomus, 524 

 Butter-bur, Petasites 

 Buttress roots, *185 

 Buxaceae, 619 

 -i's, 619 



Cabbage, Brassica 



Cabomba, *573 



Cactaceae, 73, 630 



Cactus, 27 



<',n-xnl/i!n!it, wood, 133. 



Caesalpiniaceae, 602 



Caffeine, 226, 628 



Calamarieae, 466 



Calamogrostis, 530 



Calamostachys, 466 



Calcicolous plants, 191 



Calcium in plants, 187, 188, 190 



Calcium carbonate, 71, 133 ; excretion of, 



104 



Calcium oxalate, 71, '73,' 78 

 Calendula, 688 

 Calenduleae, 688 

 Calla, 536 

 Callithamnion, *37f> 

 Callitrichaceae, 618 

 Callose, 69 

 Calluna, 645 

 Callus, 151 ; -wood, 151 

 Calobryaceae, 431 

 Calobryum, 431 

 Caltha, 574, *577 

 Calumbae radix, 588 

 Calyptra, 15, 46, 436 

 Calyptrogen, 159 



