INDEX. 



Absorption by roots, 49. 

 Absorption of energ}', 23. 

 Absorption of light, 27. 

 Absorption of water, 50. 

 Abutilon, 183. 

 A cams, 88. 

 Accessory buds, 259. 

 Acer, 214. 



Acid gases, iSi, 191. 

 Acids, 130, 136. 

 Acquired characters, 283. 

 Acrostalagmus, 238. 

 Action of the environment, 

 Adaptation, 176. 

 Adapted races, 177. 

 Adonis, 220. 

 Adventitious buds, 224, 



257, 260. 

 ALcidium, 88, 114, 116, 



188, 189, 217, 223, 225, 



247, 252. 

 Aeration, 104. 

 Aerobic organisms, 57. 

 Etiology, 89, 100. 

 Agarictis mellais, 115, 143, 



234- 

 Agents of disease, 113. 

 Aglaospoj-a, 223. 

 Agriculture, 65. 



271. 



225, 



187, 

 232, 



I45> 



Agricultural Chemistry, 2. 



Ajtiga, 217. 



Albinism, 179, 182, 183, 186. 



Alder, 207, 219. 



Aleurone layer, 173. 



Algae, 215. 



Allium, 258. 



Almond, 168. 



A Inns, 214. 



Aloe, 134, 161. 



Alpine plants, 250, 279. 



American blight, 164, 219. 



American vines, 155, 169, 



172. 

 Amides, 31. 

 Amoeba, 144. 



Amount of energy stored, 25. 

 Amygdalin, 173. 

 Anabaena, 128. 

 Anaerobic bacteria, 58, 237. 

 Anagallis, 261. 

 Analyses, 65. 

 Analyses of waters, 58. 

 Anemone, 247, 

 Animals, 99, 108, 142, 207. 

 Antennaria, 232. 

 Anthonomos, 249. 

 Anthrax, 144. 

 Antiseptics, 162. 



293 



