INDEX OF HOSTS 



595 



Carrot, 89, 236, 266, 408, 515. 

 Carum carvi, 95. 



leaf galls, 95. 



persicum, 95. 



Castanea dentata, 210. 



vesca, 273. 



Catalpa, 28. 



bignonioides, 32, 466. 



Cattleya dowiana, 331. 

 Cauliflower, 116. 



warts on leaves caused by spray- 

 ing, 43- 

 Cerastium, 280. 

 Cercis, 431. 

 Cereal black rust, 301. 



blight, 197. 



crown rust, 305. 



infesting agaric, 361. 



mildew, 460. 



Cereals, 426. 

 Celery, 307. 



heart rot, 566. 



leaf blight, 486. 



scorch, 425. 



spot, 566. 



rust, 307. 



Cephaleurus mycoidea, 507. 

 Cerastium triviale, 327. 

 Chamaecyparis pisifera, 318. 

 Chamaerops humilis, 350. 

 Chenopodiaceae, in. 

 Chenopodium, in. 

 Cherry, 213, 308, 410, 452, 454, 474, 



483. 49- 



flower bud disease, 495. 



laurel, 398. 



leaf blight, 446. 



blister, 142. 



scorch, 199. 



powdery mildew of, 145. 



scab, 469. 



tree bacteriosis, 517. 



witches' brooms of, 139. 



Chestnut canker, sweet, 429, 

 disease, American, 210. 



sweet, 274. 



Chickweed, 113. 



Chicory, 243. 



Chrysanthemum, 266, 299, 423, 560. 



leaf blight, 447. 



scorch, 423. 



leaves, brown spot of, 422. 

 rust, 298. 



Cinchona, 393. 

 Cineraria, 333, 334. 

 leaf rust, 333. 

 Citrullus vulgaris, 228. 

 Citrus, 451. 



Citrus, aurantium, 493. 



bigaradia, 493. 



bigardia, 474. 



decumana, 493. 



limonum, 493. 



Clarkia, 127. 

 Clavariaceae, 398. 

 Clavaria fuliginea, 469. 



leaf blotch, 465. 



nobilis, 465. 



rugosa, 469. 

 Clover, 73, 109, 277, 391. 



leaf spot, 277, 504. 



Clover-sick land, 268. 

 Clover sickness, 268, 555. 



stem rot, 439. 



Cluster-cup disease of conifers, 332. 

 Cnicus arvensis, 308. 

 Cobnut, 540. 

 Cocoes, 115. 

 Coffea arabica, 329. 



var. Stahlmannii, 329. 



congensis, 329. 



ibo, 330. 



liberica, 329. 



travancorensis, 329. 



Coffee, 328. 



disease, American, 189. 



eelworm of, 554. 



leaf disease, 328. 



rot, 461. 



spot, 488. 



Coffee-twig disease, 462. 

 Colchicum autumnale, 292, 349. 



bavaricum, 292. 



smut, 292, 348. 



speciosum, 292. 



Coleus, 560. 

 Comandra pallida, 320. 



umbellata, 320. 



Comarum palustre, 89. 

 Compositae, 118. 

 Conifer bud disease, 573. 

 Conifer root rot, 373. 



seedling disease, 451. 



Coniferae, 78. 



Conifers, defoliation of, 458. 

 Convolvulus, 132. 

 Cornus sanguinea, 413. 

 Coronilla, 109. 

 Cotoneaster, 540. 



vulgaris, 540. 



Cotton trenching, 494. 



wilt disease, 228. 



Couch grass piercing tubers, 63. 

 Cowberry, 333. 



sclerotinia, 269. 



Cowpea, wilt disease, 228. 



