INDEX 



399 



Bulb, hyacinth, *79. 



Bulb, onion, 77. 



Bulblets, 375, 376. 



Bulrush, cross-section of stem of, 



*84. 



Burs, 381, 382, *383. 

 Buttercup, leaf of, *135. 

 Buttercup, study of flower of, 195. 



196. 

 Butternut, buds of, *124. 



Cabbage, a bud, 123. 



Cactus, *80, *315. 



Cactus flower, transitions in, *208. 



Caladium, 76, *77. 



Calyx, *197. 



Cambium, *87, *88, *89, 95-100. 



Cambium-ring, 96, *97. 



Canna, parallel veining in, 136. 



Capsule, 223. 



Carbon dioxide, absorption of, 166- 



168. 

 Carbon dioxide, disposition of, 168, 



169. 



Carnivorous plants, 342-344*. 

 Carpel, 198. 



Castor bean, germination of, *7. 

 Castor-oil plant, early history of 



stem, *95. 

 Castor-oil plant, fibro-vascular 



bundle of, *95. 

 Catharinea, *282. 

 Catkin, *187. 

 Celandine, leaf of, *134. 

 Cell, 20, 21. 

 Cell-contents, *19, *155, 180, *183, 



*184. 



Cell-contents, continuity of, 146. 

 Cell-division, *183, *242, 245. 

 Cell-multiplication in pond-scum, 



*242. 



Cell-sap, *183. 



Cell, simplest form of, 178, *179, 



180. 



Cell-wall, 178. 

 Cells, isolated wood-, *91. 

 Cellulose, a compound of carbon, 



hydrogen, and oxygen ; the chief 



constituent of ordinary cell- walls, 



156, 171, 268. 

 Central cylinder, *42. 

 Central placenta, *205. 

 Chara, *248, *249. 

 Characese, 249, 250. 

 Chemical changes in leaves before 



falling, 175, 176. 

 Cherry, buds in axils of leaves, 



*122. 



Cherry twig, *63, *125. 

 Chestnut fruit, *222. 

 Chlorophyceae, 232. 

 Chlorophyll, 168, 169, 176. 

 Chlorophyll bodies, *154, *155. 

 Cilium, 180. 

 Circulation of protoplasm, *184, 



185. 



Cladophyll, 79, *81. 

 Class, 231. 



Classification, 228-234. 

 Cleistogainous flowers, 369, *370. 

 Clerodendron, *363. 

 Climbing plants, 73-75*. 

 Climbing shrubs, stem-structure, 



99, 100. 



Climbing stems, *73, *74, *75. 

 Clinostat, *58, 59. 

 Clover leaf, *144. 

 Club-moss, study of, 291, *292. 

 Cluster-cup, 259, *261. 

 Coherent, 200. 

 Cohesion, 204, *205. 

 Collenchyma, *95. 



