6oo 



DISEASES OF CULTIVATED PLANTS 



Potato collar fungus, 389. 



corky scab of, 528. 



disease, 123. 



dry scab of, 478. 



influence of Bordeaux mixture 



on yield of, 571. 



leaf blotch, 499. 



spot, 488. 



curl, 501. 



scab, American, 458. 



French, 418. 



tubers, 544. 



internal disease of, 568. 



winter rot of, 180. 



Potatoes, 236, 266, 409, 421. 



sweet, 135, 188. 



Potentilla, 424. 

 Primula vera, 413. 

 Prunus, 146, 178. 



avium, 201, 203. 



japonica, gummosis of, 471. 



Pseudopeziza medicaginis, 278. 

 Pseudotsuga douglasii, 254, 263. 

 Pteris cretica, 558. 



droogmantiana, 558. 



Pyrus communis, 206. 

 malus, 206. 



QUERCUS NIGRA, 320. 



tinctoria, 320. 



Quince, 392, 441, 452. 



Radishes, 116, 510. 

 Ragwort, 331. 

 Ranunculus repens, 280. 

 Rape, 510 

 Raspberry, 313, 434. 



root rot, 361. 



rust, 313. 



spot, 434. 



Red spruce disease, 385. 

 klianinus, 306. 

 Rhododendron, 451. 



ferrugineum, 400. 



galls, 400. 



hirsutum, 334, 400. 



indicum, 403. 



1 



rust, 334. 



wilsonianum, 400. 



Rhubarb leaf cluster-cups, 299. 

 Ribes nigrum, 300. 

 Rice. 317. 



127, 382. 

 Rose, 1 1 i. 



canker, 41 ;. 



leaf blotch^ 428. 



mildew, 150. 



Rose rust, 312. 



tree root disease, 288. 



wild, 312. 



Rubus chamaeomorus, 434. 



idaeus, 434. 



Rumex, 299. 



Ruppia rostellata, 533. 



Rye, 301, 347, 361, 493. 



grain fungus, 274. 



smut, 347. 



Rye-grass, 21. 



Saffron, 236. 

 Sainfoin leaf-spot, 477. 

 Saintpaulia, 560. 

 Salix repens, 326. 

 Salvia, 113. 



Sanguisorba officinalis, 315. 

 Saponaria, 432. 

 Satyrium coriifolium, 336. 

 Saxifraga longifolia, 312. 

 Saxifrage, 312. 



rust, 312. 



Scabios, 118. 

 Scabiosa aivensis, 112. 

 Scarlet-runner pod scab, 441. 

 Scilla, 264. 



bifolia, 342, 349. 



smut, 342. 



Scots fir, 320, 321, 362. 

 1 ase, 433. 

 Scropbularia, 117. 

 Sedges, 274. 

 Seggingof oat-. 555. 

 Sempervivum, 127. 

 Senecio, 160, 331, 334. 

 Sequoia t^antea, 263. 

 Service berry, 540. 



i' 



mum leaf blotch, 521. 



orientate, 521 . 



Sherardia, 1 13, 280. 

 Sida napaea, 413. 

 Sidalcea, 253. 

 Silene inflata, 344. 

 Silver tir, 327, 377, 451. 



canker, 244. 



leaf disease, 221. 



witches' brooms of, 327. 



Simlacina, 8q. 

 Sisal 1 1 II) 



Shim, 122. 

 Sneezewort, 286. 

 Snowdrop mildew, 262. 

 lum, 42. 



melongena, 188. 



Sophora japonica, 363. 

 Sorbus, 206. 



