INDEX 



5 2 9 



Boehmeria nivea, 435. 



Boletus edulis, 327. 



Bouteloua oligostachya, 459. 



Box elder, fruit of, 206. 



Bracing roots, 34. 



Bracken fern, 360. 



Bracket fungi, 322, 326-328. 



Bracts, 95, 148. 



Bread fruit, 436. 



Bread mold, 278. 



Breaking the type, 502. 



Bromeliaceae, 431. 



Broom corn, 428, 429. 



Brown algae, 257-261. 



Brown algae, uses of, 261. 



Bryales, 353. 



Bryophyta, 225, 229. 



Bryophytes, 225, 334~35 6 > 4- 



Bud shoots, 45, 53~55- 



Buds, 45, 53-55, 7-7 6 - 



Buds, axillary, 72. 



Buds, latent, 71. 



Buds, protection of, 53-55. 



Buds, winter condition of, 70-76. 



Bulb, 49. 



Bulbils, 351, 358, 376, 377. 



Burdock, akene of, 220. 



Burdock, fruit of, 220. 



Burrowing stem, 48. 



Butter and eggs, 161, 162. 



Buttercup, 154-157, 204, 206. 



Buttercup family, 407. 



Butternut, 208. 



Butternut, shoots of, 73. 



Buttes, 459. 



Buttonbush, 448. 



Cacao, 444. 



Cactus, 51, 52, 457. 



Caesar's agaric, 322. 



Calamites, 384, 385. 



Calcium, 124, 125. 



Calcium carbonate, 117. 



Calcium sulphate, 125. 



Callithamnion, 264. 



Calluna, 302. 



Calyptra, 340, 349, 35, 35 2 > 38. 



Calyx, 143, 147, I5 2 , J 54, 157, l62 



163, 168, 171, 205, 208. 

 Cambium, 59-67. 

 Campanula, 190, 191, 198. 

 Campanulate, 146. 

 Campanulales, 448. 

 Camptosorus rhizophyllus, 357. 



34 



Campylotropus, 202. 



Cane sugar, 23. 



Canna, 198. 



Cannabis sativa, 432-434. 



Cantaloupe, 449. 



Caprification, 197. 



Caprifig, 196, 197. 



Caprifoliaceae, 448. 



Capsule, 208, 339, 341, 343, 345- 



Carbohydrates, 109, 111-113, 114, 



128, 134, 136, 141, 266, 272. 

 Carbon, 20, 108-110, 114, 124. 

 Carbon dioxide, 105-113, 116-123, 



298. 



Carbonate of lime, 117. 

 Carbonic acid, 108-110, 123. 

 Carboniferous age, plants of, 383 



386. 



Carnation, parasite of, 137. 

 Carnivorous plants, 115. 

 Carpel, 147, 152, 161, 408, 409. 

 Carpogonium, 261. 

 Carpos pores, 261, 264. 

 Caruncle, 9, 10. 

 Caryopsis, 206. 

 Cassiope tetragona, 94. 

 Catkin, 151, 433. 

 Caustic potash, 113. 

 Cedar apples, 317, 318. 

 Cedar rust, 318. 

 Cell plasm, 234. 

 Cell sap, 40, 233. 

 Cellulose, 18, 22, 140, 141. 

 Central cell of antheridium, 391, 400. 

 Central cylinder, 36, 37. 

 Centripetal, 167, 169. 

 Cephalanthus, 150, 448. 

 Cercis, 440. 

 Cereals, 423. 

 Cetraria, 303. 

 Chaetophora, 243, 251. 

 Chalaza, 200. 

 Chara, 248, 249, 484. 

 Charophyceae, 227, 228, 248. 

 Charred polyporus, 326, 328. 

 Chemosynthesis, in. 

 Cherries, 439. 

 Chestnut, 207. 

 Chicory, 449. 

 Chicory family, 449. 

 Chili, 125. 

 Chili, saltpeter, 126. 

 China gr,ass, 435. 

 Chlamydos pores, 273. 



