Index. 



395 



ment with fungicides, 47 ; enemies and 



diseases, 333-339 ; fire blight, 334 ; fruit 



spot, 333 ; leaf blight, 333 ; blister, 336 ; 



midge, 335 ; psylla, 331 ; rust, 242, 335 ; 



scab, 243, 335 ;"slug, 338. 

 Pearl ashes, 11. 



Pearson, A. W., quoted, 89, 90. 

 Peck, W. P., mentioned, 186. 

 Peerless nozzle, 199. 

 Pempelia Hammondi, 257. 

 Pepper, 5, 11, 12, 13. 

 Peppier, T., mentioned, 194. 

 Peronopora effusa, 363; ScMeideni- 



ana, 319 ; Violas, 324 ; vMcola, 300- 



302 ; see also Downy mildew of grape. 

 Peroxide of silicate, 118. 

 Perret, M., quoted, 43, 145. 

 Perret's mixture, 47. 

 Persian insect powder, 163. 

 Petit, A., quoted, 46. 

 Petroleum, 5, 152. 

 Phenic acid, 50, 133 ; and grape mildew, 



24. 



Phenol, 133. 

 Phlegethontius Carolina, 370 ; celeus, 



371. 



Phoma 'uvicola, 297-300. 

 Phorbia Brassicce, 268; Ceparum, 320. 

 Phosphate of copper, 44. 

 Phoxopteris comptana, 366. 

 Phragmidium mucronatum, 361 ; rose, 



360 ; pecio#um, 360. 

 Phyllosticta Acericola,3l2; Bataticola, 



368; Catalpce, 273; hortorv/m, 290; 



liguttri, 352 ; vittata, 851. 

 Phylloxera, treatment of, 135. 

 Phytophthora infestans, 347 ; Phaseoli, 



264. 



Phytoptus Pyri, 336. 

 Picreena excelsa, 165. 

 Pierce, N. B., quoted, 239. 

 Pieris Rapce, 268. 

 Pigeon dung, 16. 

 Pine bug, 10. 

 Pinolini, quoted, 21. 

 Pistons, packing, 210. 

 Plane tree, 339. 

 Plant-bug, black-lined, 287; four-lined, 



287, 290 ; tarnished, on strawberry, 366. 

 Plant-lice, 308 ; early remedies for, 5. 

 Plasmodiophora Brassicae, 266. 

 Plasmopara Cubensis, 283, 314. 

 Plaster, carbolized, 134. 



Plowrightia morbom, 275, 340. 



Plum, black knot, 111, 340 ; bladders, 

 342 ; borers, 248, 343 ; brown rot, 339 ; 

 bud-moth, 248, 343 ; canker-worm, 249, 

 343 ; curculio, 332, 343 ; experiments 

 of Alwood, 69 ; Cook, 69, 70 ; Gillette, 

 71 ; Osborn, 70 ; Weed, 70-73 ; spray- 

 ing for, 68-74 ; treatment in New York, 

 73 ; Ohio, 73 ; enemies and diseases, 

 339-345; gouger, 344; knot, 340; leaf 

 blight, 339; pockets, 342; powdery 

 mildew, 241, 343 ; rot, 328, 343 ; scale, 

 344 ; shot-hole fungus, 339 ; slug, 275, 

 345 ; wart, 340. 



Plusia Bra&#icce, 267 ; cabbage, 267. 



Pneumatic pumps, description of, 192. 



Podechard's powder, 32 ; preparation of, 

 163. 



Podosphaira Oxycanthce, 241, 275, 331. 



Pod rust, bean, 261, 263. 



Pole, use of, 218. 



Pons, B., quoted, 42. 



Poplar, 345. 



Pot ashes, 11. 



Potash, 163 ; soap, 163. 



Potassium, 163 ; cyanide, 149. 



Potassium ferrocyanide, see Ferrocyanide 

 of potassium ; sulphide and smut, 318 ; 

 and whale-oil soap, 180; early use in 

 America, 97 ; in England, 55 ; sug- 

 gested, 24 ; use of, 163. 



Potato, affected by copper salts, 235 ; 

 bacterial blight, 349 ; beetle, 290, 351 ; 

 appearance of, 185 ; early spread of, 59, 

 60 ; first destroyed by Paris green, 60 ; 

 blight, 347 ; bug, 351 ; downy mildew, 

 347 ; early blight, 345 ; treatment with 

 fungicides, 47 ; enemies and diseases, 

 345-352 ; experiments on. in England, 

 55 ; flea-beetle, 351 ; late blight, 347 ; 

 rot, 347; and Paris green, 98; Bor- 

 deaux mixture first recommended for, 

 29; treatment of, 100; scab, 350; 

 sprayer, Climax, 194; Monarch, 195; 

 sprayers, 221 ; sweet, see Sweet potato, 

 368 ; water, 10. 



Potatoes, spraying with force pumps, 

 194 ; gravity machines, 194. 



Powder, David's, 33; guns, 204, 205; 

 insect, 163 ; Podechard's, 32 ; Ska- 

 win ski's, 170. 



Powders and liquids compared, 205-207 ; 

 application of, 205-207; first used 



