304 



DISEASE IN PLANTS. 



Phellomyccs, 238. 

 Phoma, 217, 243. 

 Phophylaclic measures, 160. 

 Phosphorus, 272. 

 Photo-synthesis, 11, 16. 

 PhragmidiuDi, 189. 

 Phyllachora, 189. 

 Phyllereus, 253. 

 Pkyllobium, 217. 

 PhyllosipJwn, 1 88. 

 Phyllosticta, 188, 209. 

 Physiology, i, 66, 85. 

 Physiological diseases, 119, 121. 

 Phytomyza, 206 

 Phytopathology, 85. 

 Phytophthora, 1 1 5, 136, 144, 



150, 151, 235, 236. 

 Pliytophysa, 219. 

 Phytoptus, 189, 213, 214, 215, 



218, 219, 253, 254. 

 Pilea, 219. 

 Pilobolus, 126, 140. 

 Phylloxera, no, 145, 149, 154, 

 155, 163, 166, 172, 188, 219, 

 220, 268. 

 Pines, 183, 223, 234, 251, 252. 

 Pine apple, 258. 

 Pith flecks, 204, 207. 

 Plant as agent of disease, 99, 



108. 

 Plantj agricultural chemistry of, 



I. 

 Plant and its food, 7. 

 Plant and its surroundings, i. 

 Plant, a machine, I, 15. 

 Plant, central object of study, i. 

 Plants, dying out of, 93. 

 Plant, physiology, I. 

 Plantago, 257. 



Plantain, 112, 257. 

 Plasmodia, 163. 

 Plasmodiophora, 1 14, 126, 127, 



144, 163, 219, 284, 285. 

 Plasmolysis, 47. 

 Plcospora, 236. 

 Pkotracheliis, 126, 140. 

 Plum, 171, 189, 192, 209, 214, 

 206, 231, 235, 248, 249, 260. 

 Poa, 258. 



Pocket-like galls, 155, 214, 218. 

 Pocket-plums, 214. 

 Pockets, 253. 



Poison, 102, 130, 136, 163, 216. 

 Pollen grain, 288. 

 Pollination, 248, 262, 265, 266, 



271. 

 Polydesfims, 236. 

 Polygonattim, 175. 

 Polygonum, 258. 

 Poisonous gases, 181, 248. 

 Polymorphism, 174. 

 Polyporei, 142. 

 Polyporus, 143, 206. 

 Poly stigma, 189. 

 Poplar, 188, 206, 215, 218, 254. 

 Post and epidemics, 142. 

 Potassium, 272. 

 Potassium sulphite, 162. 

 Potato, 162, 171, 194, 209, 216, 



236, 237, 258. 

 Potato-disease, 114,143,149,150, 



166, 189, 207, 235. 

 Powders, antiseptic, 159, 160, 



161. 

 Predisposition to disease, 98, 99, 

 105, 168, 169, 229, 262, 268, 

 277, 278, 282. 

 Preventitious buds, 259. 



