498 



Index 



Hemileia vastatrix, 144. 



Hemlock, 365, 367, 368, 369, 371, 



373, 379, 380. 

 Hemlock, western, 389. 

 Hemp, 163, 353. 

 Hendersonia, 145, 380. 

 Hepatica, 96, 423. 

 Herpotrichia, 380. 

 Heterosporium, 425. 



echinulatum, 416. 



variable, 243. 

 Hibiscus, 23, 407, 423. 



sabdariffa, 241. 

 Hickory, 359, 367, 380, 381. 

 Historical, 1. 



concerning prevention, 3. 



important events, 8. 

 Holcus, 277, 278. 

 Hollow-heart, 235. 

 Hollow-stem, 265. 

 Hollyhock, 10, 24, 423. 

 Honey-locust, 381. 

 Honeysuckle, 88, 407, 408. 

 Hop, 87, 163, 195. 

 Hordeum, 277, 278. 

 Hornbeam, 359, 381. 

 Horse-chestnut, 364, 367, 368, 369, 



380, 381, 390. 

 Horse-radish, 195. 

 Hot-water treatment, 271, 274. 

 Huckleberry, 110, 113. 

 Hydnum, 367. 



erinaceus, 361. 

 Hydrangea, 23, 425. 

 Hydrastis, 195. 

 Hymenochsete, 402. 

 Hypertrophy, 1 12. 

 Hypochnose, 47, 69, 73. 

 Hypoderma, 380, 397. 

 Hystrix, 277. 



Iberis, 407. 



Illosporium, 47. 



Impatiens, 407. 



Incense cedar, 369, 380. 



Inga, 380. 



Injury to seed by treatment, 277. 



Insecticide, 449. 



Internal brown-spot, 236. 



Inverted-pan method, 461. 



Irpex, 67, 402. 



Isariopsis griseola, 159. 

 Ivy, 425. 



Japan clover, 337. 



Java black-rot, 420. 



Java dry-rot, 250. 



Jelly end-rot, 230. 



Jerusalem artichoke, 435. 



Johnson grass, 339. 



Jonathan-spot, 54. 



Juniper, 367, 368, 369, 380, 381. 



Junipcrus, 40, 69, 383. 



Kafir, 307. 

 Kale, 163, 165. 

 Kalmia angustifolia, 113. 

 Keithia, 380. 

 Kernel-smut, 283, 308. 

 Kernel-spot, 395. 

 Knapsack sprayer, 454. 

 Knot, 147, 427. (See also root-knot.) 

 Kochia, 407. 

 Koeleria, 277, 278. 

 Kohl-rabi, 163, 165. 

 Kuehneola albida, 105. 

 gossypii, 349. 



Labrella pomi, 56. 



Lsestadia, 251. 



Larch, 367, 368, 369, 371, 373, 



380, 390. 

 Large leaf-spot, 388. 

 Larkspur, 407, 426. 

 Lasiodiplodia triflorffl, 99. 

 Late-blight, 174, 217, 263. 

 Late-rust, 105. 

 Lathryus, 407. 

 Laurel, 425. 

 Lavatera, 407. 

 Leaf-anthracnose, 194. 

 Leaf-blight, 68, 70, 134, 183. 187, 



195, 244, 250, 348, 398, 402, 



425. 

 Leaf-blotch, 159, 234, 390. 

 Leaf-cast, 397. 

 Leaf-curl, 233, 394. 

 Leaf-glaze, 191. 

 Leaf-mold, 262, 416. 

 Leaf-perforation, 199. 

 Leaf-roll, 233, 265. 

 Leaf-rot, 145. 

 Leaf-scorch, 164. 



