506 



Index 



Sudan-grass, 307. 



Sugar-beet, 24. 



Sugar-cane, 23, 24, 244. 



Sulfur-dust, 446. 



Sun-burn, 405. 



Sunflower, 163, 407, 435. 



Sunscald, 54, 159. 



Sweet-alyssum, 168. 



Sweet-gum, 381. 



Sweet-pea, 24, 163, 407, 408, 435. 



Sweet potato, 22, 23, 24, 26, 245. 



Sycamore, 367, 369, 371, 380, 381, 



403. 

 Synchytrium endobioticum, 224. 

 A'accinii, 113. 



Take-all, 317. 

 Tall oat grass, 340. 

 Taphrina, 376, 381. 



cerasi, 77. 



coerulescens, 394. 



communis, 98. 



deformans, 84. 

 Tar-spot, 392. 

 Taxus, 407. 

 Tea, 251. 

 Telanthera, 407. 

 Teosinte, 283. 

 Texas root-rot, 23, 53, 69, 201, 248, 



323, 346. 

 Thelephora, 368. 

 Thielavia, 191, 196, 213. 



basicola, 24, 194, 251, 337, 373, 

 408, 421, 435. 



root-rot, 194. 

 Thielaviopsis paradoxa, 148, 245. 

 Thread-blight, 251. 

 Thrombosis, .393. 

 Thyridaria, 402. 

 Tilletia horrida, 302. 



Isevis, 314. 



tritiei, 314. 

 Timber, 354, 373. 

 Timber-rot. 183, 265. 

 Timothy, 163, 280, .341. 

 Tip-burn, 228. 

 Tobacco, 22, 25, S7, 251. 

 Tomato, 22, 23, 25, S7, 260. 

 Tower, 458. 

 Trametes, 368. 



pmi, 358. 



Transchelia, 423. 



punctata, 96. 

 Trees, 354. 

 Tree .surgery, 376. 

 Trichodemia koningi, 251. 



-rot, 251. 

 Tricholoma, 368, 372. 

 Trichosphseria, 148. 



sacchari, 245. 

 Triticum, 277, 278. 

 Tropical fruits, 135. 

 Tropceolum, 408, 427. 

 T.suga heterophylla, 389. 

 Tubercularia, 146. 

 Tulip, 369, 4,36. 

 Tupelo, 368. 

 Turnip, 88, 163, 165. 

 Tussilago, 338. 

 Twig-blight, 368, 394, 398. 



Uncinula necator, 122. 

 Uredinales, 380. 

 Uredo, 148. 



arachidis, 214. 

 Urocystis agropyri, 340. 



c'epulsB, 201. 



occulta, 306. 

 Uromyces, 148, 329, .338. 



appendiculatus, 1.54. 



beta, 164. 



caryophyllinus, 414. 



POEP, 339. 



striatus, 328. 

 Urophlyctis, 164. 



alfalfse, 325. 



tritiei, 316. 

 Ustilaginoidea virens, 301. 

 Ustilago, 295, 340. 



avena;, 296. 



crameri, 295. 



crusgalli, 338. 



hordei, 282. 



levis, 297. 



nuda, 280. ' •. ' 



panici-miHacei, 295. 



perennans, 340. 



shiraiana, 411. 



striseformis, 338, 340, 341. 



tritiei, 315. 



zeae, 283. 



