INDEX 



423 



Bluebell (Wild Hyacinth), 34, 60, 

 77. 137-40, (Fig. 87), 154, 

 (Figs. 101, 102), 194, (Fig. 

 133), 202, 206, 266, 269, 343, 



348, 350, (Fig. 225), 369. 

 Borage, 250. 

 Boraginaceae, 250. 

 Borago, 250. 



Box leaf, structure of, 65-7, 



(Figs. 29, 30). 

 Bracken, 68, 141, 340, 343, 348, 



349. 3 SO, 369. 

 Bramble, 62, 224, 339, 387. 



Stone, 349. 

 Branch spines, 339 (Fig. 219), 



396, (Fig. 256). 

 Branches, shedding of, 1 18-19, 



122. 

 Branching, 11 9-21. 

 Brassica, 238, 378. 

 Broccoli, 238. 

 Brome-grass, False, 349. 



Soft, 379. 

 Bromus, 379. 

 Brooklime, 256, 343, 376. 

 Brookweed, 250. 

 Broom, 227, 246, 344. 

 Broomrape(Oo6awcAe), 343, 359, 



360. 

 Brussels Sprout, 103-4, (Fig. 



63), 238. 

 Bryony, Black, 143, (Fig. 90), 

 144, 225, 341. 



White, 144, (Fig. 91), 147, 149, 

 225, 341. 

 Buckthorn, 349, 353. 

 Buckwheat, 56. 

 Buds, 12, 103-22. 



dormant, 12 1-2. 



naked, 104, 116. 



protection of, 109. 



winter, 224, 374. 

 Bud-scales, 106. 



scars of, 1 08-1 8, (Figs. 66, 70, 



74, 77)- 

 Bugle, 254. 

 Bulbs, 134-40. 



descent of, 134, 139. 

 Bulrush, 222. 



Burdock, 226 (Fig. 160), 263. 

 Burnet, Great, 349, 380. 



Lesser or Salad, 244, 368, 370, 

 380. 



Bur-reed, 371, 376. 

 Butcher's Broom, 266, 354. 

 Butterbur, 262. 



Buttercup, 166-8, (Fig. 112), 

 174, 192, 204, 206, 212, 

 (Fig. 144), 233, 237. 

 Creeping, 389. 

 Field, 378. 



runner of, 67, (Figs. 31, 32). 

 Tuberous, 166, (Fig. 112). 

 Upright, 380. 

 Water, 371, (Fig. 242). 

 Butterwort (Pinguicula) , 362, 

 363. 



Cabbage, 104, 238. 



Cactus, 147-8, (Fig. 96). 



Cakile, 387. 



Calcareous grass-land, 368. 



Callitriche, 343. 



Calluna, 317, 387. 



Callus, 72-3. 



Caltha, 343. 



Calystegia, 385. 



Calyx, 1 5 . 



function of, 15. 

 Cambium, 35-6, 69. 



ring, 36, 70. 

 Campanula, 155, 216, 223, (Fig. 



159), 261, 353- 

 Campion, 68, 216. 



Alpine, 239. 



Bladder, 239, 378. 



Moss, 239. 



Night-flowering, 242. 



Red, 204, (Fig. 159), 223, 239, 

 270. 



Sea, 239. 

 Campylotropous, 208. 

 Canadian Water-weed (Elodea), 



80, (Fig. 50), 223, 372. 

 Capitulum, 177. 

 Caprifoliaceae, 258-60. 

 Capsella, 378. 

 Capsicum, 255. 



Capsule, 216-17, (Figs. 151, 159). 

 Caraway ' seeds ', 215, 247. 

 Carbon-assimilation, 84-5. 

 Carbon dioxide in respiration, 



44. 

 Carduus, 379. 

 Carex, 380, 385-6. 

 Carina, 188, (Fig. 131). 



