INDEX. 



301 



Intercellular endophytes, 136, 



137- 

 Intercellular mycelium, 128. 

 Interference, 91. 

 Internal causes of disease, 99, 



lOI. 



Intracellular parasites, 127, 136. 

 Intramolecular respiration, 277. 

 Intumescences, 212, 215. 

 Inulin, II, 17. 

 Invertebrata, 108. 

 Irritability, 125, 127. 

 Irritation, 119, 139. 

 Isaria, 163. 

 Ivy, 113, 165. 



Japanese trees, 250. 

 Jerusalem Artichoke, 264. 

 yuncus, 219. 

 Juniper, 1 14. 



Ividney bean, 192. 



Knauers, 223. 



Knife wounds, 194, 195. 



Labour, 161. 



Lace-wings, 165. 



Lachnics, 223. 



Lady-birds, 164, 165. 



Lammas shoots, 257, 259. 



Larch, 168, 171. 



Larch disease, 115, 149, 152, 



166, 171, 223, 241. 

 Larvae, no. 

 Lateral wounds, 132. 

 Lawns, 112. 



Laying of wheat, 179, 180. 

 Leaf-curl, 236, 253. 

 Leaf-diseases, 1 14, 1 19, 120, 242. 



Leaf-galls, 217, 218. 



Leaf-miner, 86, 109, 204. 



Leaf perforations, 208. 



Leaf rolling, 214, 246, 254. 



Leaf-spots, 114, 190. 



Leguminoseae, 137, 219. 



Lemons, 235. 



Lenticels, 217. 



Lepidoptera, 187. 



Leptosphaeria, 249. 



Lichens, 137. 



Liebig, 4. 



Life, 271, 285, 287. 



Life and death, 271. 



Light, 27, 106. 



Lily disease, 143. 



Lime, 163, 215, 218, 232, 253, 



254, 260, 269. 

 Limes, 172. 



Limits of variation, 287, . 

 Linaria, 252. 

 Liquid antiseptics, 160, 161,. 



162. 

 Living environment, 99, 108. 

 Local action, 114. 

 Local disease, 119, 121. 

 Locusts, 109, 145, 163, 164. 

 Longicorns, 205. 

 Loranthus, 113, 245, 265. 

 Losses due to epidemics, 142. 

 Lowering of temperature, 100. 

 Lucerne, 249. 



Lurking parasites, 142, 145. 

 Lychnis, 232. 

 Lyonetra, 206. 

 Lysimachia, 217. 



Machine, plant compared to a, 79. 

 Magnesium, 272. 



