434 
Apple —Continued, 
leaves, fungous disease, 162. 
moldy core, cause, 202. 
orchards affected by Fusicladiuni. 373, 412. 
powdery mildew— 
experiments, 256. 
treatment, 309, 411. ■ 
ripe rot, description. 304. 
rust, 164, 174 408. 
scab- 
cost of treatments. 21. 
description, 303. 
effect on fruit, 20. 
experiments, 17, 22, 311. 
in Virginia, 306. 
notes, 26, 373, 409. 
results of spraying, 19. 
treatment, 17, 18, 54, 168, 173, 174, 175. 176. 299, 
306, 308, 310, 408, 411,417, 418, 420, 422. 
weather as affecting prevalence, 373. 
stocks, budded, at Geneva, N. Y., 259, 261. 
trees, root knot, 294. 
water core, 298. 
Apples, copper on, 309. 
Apricot— 
action of rust, 356. 
disease, 157. 
shot-hole disease, 411. 
Archagaricon, fossil fungus, 270. 
Argentine Republic, new fungi, 322. 
ArmiUaria mellea , doubtful connection with root 
rot, 377. 
Arsenic, action of fungi, 317. 
Arsenites combined with — 
fungicides, 172,418, 420. 
lime, 418. 
Aschersonia tahitensis on Aleroyden citri, 363, 304. 
Ascomycetes— 
characters, 391. 
notes on asci, 50. 
Ash, fungi, 413. 
Asphalt vapor- 
begonia leaves, injury, 378. 
rose leaves, injury, 378. 
strawberry leaves, injury, 378. 
Australia— 
new fungi, 321, 424,425. 
rust, loss from, 287. 
rust of wheat, 195. 
species of fungi, 380. 
wheat rust- 
conference, 287. 
treatment suggested by conference, 288. 
Australian fungi, handbook, 379. 
B 
Bacteria— 
connection with plant diseases, 297. 
diseases due to, 51. 
in diseased tobacco, 384. 
in Puccinia, 325. 
notes. 157,160,179. 
ot cucurbits, 160. 
phosphorescent, 176,318. 
uses 423. 
Bactenaceae 192 
Bacterial disease of— 
beet, 303. 
chinch bugs, 316. 
geranium, 305. 
grape clusters, 303. 
melon, 303. 
olive 303, 304. 
poplar, 305. 
Bacteriology, book on. 429. 
Bacteroids in root tubercles, 385. 
Balanus, fungus growing on, 428. 
Banana disease, 407. 
Barley disease, description, 96. 
Bartholomew, Elam, 218, 372. 
Bartlett pear tree, lichens, 261. 
Basic cupric acetate mixture— 
chemical notes, 342. 
effect on wheat rust, 223. 
formula. 222. 
Basidia, relation to asci 50. 
Basidiomycetes— 
culture, 315. 
notes on development, 393. 
origin, 390. 
Bean — 
anthracnose, 298. 407 
rust, 63. 
tufted leaf blight, 411. 
Beet— 
diseases, 303, 406,416. 
diseases, treatment, 416. 
leaf rust, cause, 408. 
scab,159. 
white rust, 102. 
Begonia- 
leaves affected by asphalt vapor, 378. 
root knot, treatment, 421. 
Berlese, A. N., award of prize to, 319 
Bernardinite, is it a mineral or a fungus, 331 
Bichloride of mercury, effect on pear leaves, 
Biology of— 
fungi, 314. 
lichens, 318. 
Bitter rot of apple, 302, 304. 
remedy, 411. 
Blackberry— 
diseases, 163. 
rust, 57.162, 408. 
rust— 
in Pennsylvania, 312. 
mycelium, 310. 328. 
treatment, 417. 
Septoria, treatment. 22. 26, 310. 
Black knot— 
hosts. 101. 
I notes, 174, 412. 
of cherry, 56 60, 171,300, 416. 
of plum — 
description and treatment, 302,412. 
notes, 54, 56, 60. 101, 171, 300, 303. 416. 
prevention 313,420. 
Black rot ot grapes— 
m France, 313. 
in Italy, 303. 
in Virginia, 306. 
notes, 51, 54, 62. 163,169,174, 304. 
i treatment 169, 309, 3lu, 311. 
