296 



DISEASE IN PLANTS. 



Charlock, 165. 

 Checks to disease, 166. 

 Chemical analysis, 32, 64, 103, 



272. 

 Chemical antiseptics, 159. 

 Chemical energy, 29, 287. 

 Chemotactic phenomena, 72, 130, 



i35> ^^7- 

 Chermes, 153, 223. 

 Cherry, 208, 209, 231, 234, 235, 



247, 248. 

 Chestnut, 190. 

 Chlorine, 181. 

 Chlorophyll, 19, 106, 122. 

 Chlorophyll action, 184, 192. 

 Chlorophyll corpuscles, 9, 18,22. 

 Chlorosis, 122, 165, 179, 180, 



181. 

 Chrysanthemum, 243, 252. 

 Chytridiaceae, 127, 136, 189,208. 

 Cicada, 235. 

 Cicatrix, 123. 

 Cinchona, 168, 172, 173. 

 Circulation of carbon, 62. 

 Circulation of nitrogen, 62. 

 Citrus, 168. 



Clasterosporium, 188, 209. 

 Classification of diseases, 99, 



loi, 120. 

 Claviceps, 232. 

 Climate, i. 



Climbing plants, 112, 113, 210. 

 Clostridium, 236, 237. 

 Clothes, 142. 



Clover, 164, 187, 249, 252, 288. 

 Cluster-cups, 188. 

 Coal gas, 104, 182. 

 Coccideae, 164, 232. 

 Coccus, 223. 



Coffee leaf-disease, 114, 146, 

 166, 169, 242. 



Coleophora, 153, 206. 



Cokosporiuin, 169. 



Coleus, 192, 220. 



Competition of fungi, 61. 



Complex interactions, 91, 99. 



Conifers, 125, 205, 223, 225, 

 234, 258. 



Constitution, 156, 283. 



Consumption, 248. 



Contact irritability, 125, 135. 



Contagium fluiduin vivum, 183. 



Contortions, 252. 



Convallaria, 175. 



Convolvulus, 112. 



Copaifera, 234. 



Copper sulphate, 162, 165. 



Coppery leaves, 191. 



Cork, 119, 123, 194, 199, 216, 



222. 

 Cork wings, 217. 

 Corky warts, 212. 

 Corn, 248. 

 Corrosion of marble, 46. 



Cossus, 206. 



Cost of epidemics, 146, 147. 



Cotton, 172. 



Crassula, 253. 



Creeping of mycelia, 142. 



Crepis, 252. 



Crimson spots, 189. 



Cross-breeding, 266. 



Cross-fertilisation, 69, 74, 77, 



281. 

 Cross-graining, 124. 

 Crucifers, 219, 284. 

 Cryptogams, 87, 108, iii, 113. 

 Cuckoo-spit, 233. 



