197 
Pear leaf-blight, treatment of, 11,14. 
Pear or fire blight, 134. 
Pear scab, 135, 137, 
Potassium sulphide for, 81. 
Treatment of, 11,14,142. 
Peppers, anthracnose of, 186. 
Pino blister, 41. 
Plant diseases, experiment in treatment of, 89,137. 
Plum : 
Bacillus in swellings of, 150. 
Black knot on, 134. 
Blight of, 108. 
Japanese disease, 80. 
Leaf-blight or shot-hole fungus, 133. 
Leaf spot of, 189. 
Peach rosette on, 144. 
Pockets, 108. 
Rot of, 85. 
Bust, Bordeaux mixture for, 81. 
Wart of, 188. 
Poisonous action of Clathrus coluhinatus, 43. 
Of copper on grapes, 94,188. 
Potassium bichromate, for wheat smut, 117,118. 
Potassium sulphide: 
Cost of, 26. 
For apple scab, 81. 
For bitter rot of the apple, 81. 
For oat smut, 187. 
For pear scab, 81. 
For powdery mildew of grape, 13. 
For powdery mildew of roses, 135. 
For ripe rot of grapes and apples, 172. 
For strawberry leaf-blight, 85. 
For wheat smut, 117. 
Solution, formula for, 13. 
With insecticides, 21. 
Potato blight, 87, 90,134,135. 
Experiment in preventing, 135,191. 
Fungicides for, 78. 
Number of sprayings for, 79. 
Potato disease like that of geraniums, 115. 
Potato rot, 131, 132,135,185,186,187, 188. 
Potato scab, 128,190. 
Poudre Coignet for potato blight, 78, 79. 
Powder: 
For anthracnose of grapes, 14. 
For grape mildew, 74. 
Powdery mildew: 
Of the apple, 11,14, 87. 
Of cherry, 87, 190. 
Of grapes, 11, 13, 83, 99. 
Of the rose, 135. 
Preliminary experiments with fungicides for 
stinking smut of wheat, 133. 
Prevention of smut, 26, 83, 132, 
Pumps, (see Sjmaying machines.) 
Quince: 
Entomosporium of, 189. 
Leaf blight of, 42, 87. 
Badisli, dangerous enemy of, 131. 
Baspberry stem-fungus, 80. 
Bed rot of timber, 41. 
Bed rust of cotton, 174. 
Belationship of Puccinia and Phragmidium, 111. 
Beport of condition of crops in western New 
York, 128. 
Beviews of recent literature, 38,117. 
Ripe rot of grapes and apples, 164. 
Boot rot: 
Of cot ton, 85. 
Of salsify, 186. 
Of the vine, 43. 
Bose: 
Black spot of, 43. 
Leaf-bliglit, 190. 
Mildew, 16,135. 
Bust, 190. 
Rosette of peach, 110,143. 
Rougeot, 97. 
Bust: 
Of beans, 189. 
Of beets, 190. 
Of blackberry, 106. 
Of Canada thistle, 131. 
Of clover, 187. 
Of grain, 80. 
Of grape, 95. 
Of Indian corn, 80. 
Of rose, 190. 
Of wheat, 80. 
Busts, smuts, ergots, and rots, 82. 
Saecardo’s Sylloge Fungorum, completion of, 128. 
Salicylic acid for wheat smut, 117. 
Salsify, root rot of, 186. 
Salt, for wheat smut, 117. 
Scab: 
Of olive, 150. 
Of pear, 137. 
Of potato, 190. 
Of wheat heads, 191. 
Seedlings attacked by smut, 153. 
Seedlings in nursery attacked by leaf-blight, 14. 
Seeds, vitality of, affected by fungicides, 8. 
Shellac for coating wounds in pear trees, 114. 
Shot-hole fungus, 133,188. 
Smut: 
Conditions of infection, 153,154. 
Description of hot-water method of prevent¬ 
ing, 28. 
Diseases, recent investigations of, 1, 59,153. 
Its habits and remedies, 188. 
Infection by, 27,154. 
New form of, 155. 
New white, 82. 
Of corn, 80. 
Of oats and other cereals, prevention of, 26. 
Of onions, 44, 85. 
Of sorghum, 80. 
Of corn, 86. 
Of grain, 80,131,132. 
Of wheat, 117,128, 132,133. 
Prevention of, 83. 
Stinking, 80, 133. 
Times of infection of host, 153, 164. 
Smut-eating beetles, 133. 
Smut fungi, 1, 59,153. 
Penetration into the host plant, 8,163. 
Soap for wheat smut, 117. 
Soda for grape mildew, 74. 
Sodium bicarbonate for wheat smut, 117. 
Sodium carbonate, for wheat smut, 117. 
