368 



ESSENTIALS OF BOTANY 



Australian blackberry, leaf of, *116. 

 Axillary bud, 88, 89, *90. 

 Axillary flowers, App. I, *357. 



Bacilli, *242. 



Bacteria, 240-244*. 



Bacteria, type study, 240, 241. 



Banana, 328. 



Barbed hairs, 124, *12(i. 



Barberry, spiny leaves of, *123, 



124. 

 Bark, 67-73*, 76, 77. 

 Basidia, 261, *262. 

 Basidia fungi, 255-262*. 

 Bast, *68, *69, *70, *72. 

 Bast-bundle, *68, *69. 

 Bean-pod, study of, 183. 

 Bean seed, *6. 

 Bees, 169-173*, *176. 

 Beet leaf, *128. 

 Beggar's-ticks, *197. 

 Bell-shaped, *152. 

 Berry, 181, 188, 329. 

 Berry, study of, 181. 

 Biennial, 38, 39, 54. 

 Bilateral symmetry, *150. 

 Birch, branching of, *53. 

 Bird-pollinated flowers, 174. 

 Birds plant seeds, 198. 

 Black mold, type study, 240- 



249*. 

 Blackberry hybrids, 320. 

 Bladder-wrack, 230-233*. 

 Blue-green algfe, 216-218*. 

 Box-elder, buds of, *89. 

 Box-elder, radial and cross-sections 



of stem of, *70. 

 Bract, App. I, *357. 

 Branches formed from adventitious 



buds, 95. 



Branching, alternate, *52. 

 Branching and leaf-arrangement, 



51, *52. 

 Branching, opposite, *52. 

 Brazil nut, food stored in, 20. 

 Breathing-pore, *129. 

 Brown alga;, 280-234*. 

 Bryophytes, 26.3-279*. 

 Buckeye, bud of, *87. 

 Bud, horse-chestnut, 80, 87. 

 Bud-scales, 86, *87, 88, *92. 

 Buds, 86-96*. 

 Buds, adventitious, 95. 

 Buds, dormant, 95. 

 Buds, naked, *88. 

 Buds, position of, 88, *89, *90, *97. 

 Buds, structure of, 86, *87, *92. 

 Bulb, 59, *60, *61. 

 Bulb, hyacinth, *60. 

 Bulb, onion, 59, *61. 

 Burs, 195, *196, *197. 

 Buttercup, leaf of, *100. 

 Buttercup, study of flower of, 146, 



147. 

 Butternut, buds of, 89, *90. 



Cabbage, a bud, 89. 



Cabinet woods, 346. 



Cacao tree, *327. 



Cactus, 61, *117. 



Cactus flower, transitions in, *159, 



160. 

 Caladium, rs. 

 Calyx, *148. 

 Cambium, 68-73*. 

 Cambium-layer, 71, *72, *73. 

 Canna, parallel veining in, *101. 

 Capsule, 187, *194. 

 Carbon dioxide, absorption of, 136, 



137. 



