447 
Potato blight (Phytophthora)—Continued, 
in Ireland, 162. 
in Malta, 417. 
notes,62,171,174, 307, 407. 
not in New South Wales, 406. 
treatment, 168. 308, 419, 422. 
Potato diseases— 
Bordeaux mixture for, 173, 174, 175, 306,386,387. 
in England, 386. 
in foreign countries, 387. 
necessity of early treatment, 173. 
notes, 299,408. 
remedies, 408,414, 415, 416, 417, 418,420. 
report on recent experiments in checking in 
United Kingdom and abroad, 386. 
results of experiments, 387. 
spread, 301. 
sulphate of copper for, 173,176, 307, 309 
Tait's anti-blight powder for, 173. 
Potato— 
downy mildew. (See Potato blight.) 
fungus, life history, 180. 
Macrosporium, 408. 
rot— 
Bordeaux mixture as a preventive, 55. 
in Belgium, 313. 
increase ascribed to nitrogenous fertilizers, 
415. 
notes, 57,171, 301. 
treatment, 23,174, 310, 311, 411. 
scab— 
• notes, 57, 61,159, 298, 300, 301. 
remarks on the fungus, 103. 
treatment, 159,311,409. 
Potatoes— 
affected by Spongospora solani , 103. 
analysis of, from field treated with copper, 174. 
copper on, 402. 
cost of treatment for rot, 26. 
germination retarded by Bordeaux mixture, 174. 
lime as a preservative, 173. 
remarks on fungus affecting, 103. 
rot in late, 307. 
yield of treated plants, 25. 
Pourridie of vine, 149,411. 
Powdery mildew of— 
apple, 256, 309,411. 
cherry, 251. 
cucumber, 408. 
fruit Trees, 412. 
grape- 
notes, 169, 306, 373. 
treatment, 309, 311. 
nursery stock, treatment. 170. 
rose, 411. 
Prune, action of rust on, 354. 
Prune rust- 
cost of treating, 362. 
distribution. 354. 
notes, 354. 
stocks affected by, 354. 
treatment, 356. 
Puccinia— 
and Phragmidium, relationship, 317. 
bacteria on, 325, 
description of new species, 281. 
Puccinia—Continued, 
graminis in Kansas, 218. 
graminis, on wheat in Australia, 288. 
in Ecuador, 327. 
in India, 325. 
in Sweden, 327. 
new species, 281. 
notes, 328. 
rubigovera — 
appearance on wheat in spring, 212. 
in Kansas. 217.218. 
on wheat in Australia, 288. 
on Saxifragacem, 54. 
Puff ball, large, 323. 324. 
Pumpkin leaf. Oidium, 411. 
Q. 
Queensland— 
flora, 319. 
fungi, 424. 
Quince— 
Angers, stocks, effect of ammouiacal copper car¬ 
bonate, 248. 
Angers, stocks, eff ect of Bordeaux mixture, 248. 
leaf blight- 
experiments, 247. 
notes, 168. 
remedy, 411, 417. 
spot, treatment, 422. 
R. 
Radish— 
diseases, 300. 
mildew, 56. 
Ramularia, new species, 47. 
Raspberry— 
anthracnose, treatment, 170, 410, 420. 
diseases, 163,164. 
! 
root fungus, 408. 
rust, 57. 
rust in Pennsylvania, 312. 
Septoria, treatment, 22. 26. 310. 
Revievo of recent literature, 50, 135, 282, 378. 
Rhizomorpha sigillarice . fossil, 272. 
Rhododendron- 
disease, 305, 413. 
fungi, 325. 
Ripe rot of— 
apple, description, 304. 
.grape, description, 304. 
Rockport, Kans.— 
wheat-rust experiment, 216, 222, 223, 225. 
yield of straw and grain, of wheat, 219, 221. 
Root— 
and stem tumors, 93, 376. 
inoculations of peach, 228. 
knot — 
on apple trees, 294. 
of Begonia, treatment, 421. 
rot— 
disease of beet, 303. 
of peach, 377. 
symbiosis, theory 388. 
tubercles— 
albumen bacteroids, 385. 
amylodextrin bacteroids, 385. 
