100 Index. 



PAGE 



I*each diseases, prevalence of Ib'O 



yellows 191 



Peaches, tarnished plant bug ou 284 



Pear diseases, prevalence 197 



Periodicals received, by the Station 4(51 



Petroleum, crude, for San Jose scale .- SoO 



PJioma on snapdragon 66 



Phyllosticta. (See Apple leaf spot.) 



Plant diseases, caused by Rhizoctonia , 97 



growth, odors from, in milli 31 



soda, and potasli in 231 



Ploicrightia morbosa. (See Black knot.) 



Plum diseases, prevalence 20O 



Podosphaera oxyacanthae. (See Powdery mildew of apple.) 



Pollen, effect of spray mixtures on 374 



Potash and soda in plant growth 231 



necessary amount for potatoes 227 



Potassium cyanide, strength for fumigation 321> 



treating nursery stock 338, 339 



Potato, Rhizoctonia on 110 



Potatoes, commercial fertilizers for 213 



kind of fertilizers for 226 



necessary amount of potash for 227 



quantity of fertilizers for 224 



Powdery mildew on apple 178 



currant 188 



gooseberr.A- 188 



quince 205 



raspberry 208 



Precipitation recoi'd 470 



Puccinia asijaragi. (See Asparagus rust.) 



peclciana,. (See Orange rust of blackberry and raspberry.) 



Q. 



Quantity of fertilizer for potatoes 224 



Quince diseases, prevalence of 205 



mealy liu.;' 277 



