590 



DISEASES OF CULTIVATED PLANTS 



Septoria graminis, 426. 



hippocastani, 425. 



lycopersici, 421. 



nodorum, 425. 



parasitica, 428. 



petroselini, 425. 



piricola, 197, 215, 423. 



ribis, 425. 

 tritici, 424. 



ulmi, 216. 

 Shot-hole fungus, 483. 



Australian, 410. 



Shrew, 535. r 



Silver leaf, 66. 



supposed cause of, 66. 



Slean, 339. 



Slimy tree-agaric, 359. 



Slugs as disseminators of disease, 14. 



Smoke, injury by, 38. 



Smut, 339. 



of barley, covered, 341. 



of oats, loose, 339. 



of wheat, loose, 341. 

 Snow, injury caused by, 29. 

 Sodium phosphate, 50. 

 Soil, bacteriology of, 48. 



how infected, 24. 



Sooty mould of orange, 163. 

 Sorghum saccharatum, 343. 

 Sorosphaera veronicae, 532. 

 Sorosporium scabies, 528. 

 Sphaerella, 193. 



fragariae, 194, 424. 



inaequalis, 205. 



lucillae, 423. 



morifolia, 198. 



sentina, 197. 



tabifica, 195. 



tulasnei, 197. 



Sphaeroderma, 239. 



damnosum, 239. 



Sphaeropsidiaceae, 405, 406. 

 Sphaeropsis, 413. 



malorum, 413. 



Sphaerostilbe, 189. 



flavida, 189. 

 Sphaerotheca, 146. 



castagnei, 152. 

 humuli, 151, 152. 



mors-uvae, 146. 



pannosa, 150. 



Sphaerulina, 219. 



taxi, 220. 



Spondylocladium, 478. 



atrovirens, 478. 



Spongospora scabies, 528. 



solani, 528. 



Spores carried by wind, 17. 



Spores in manure, 17. 

 Sporidesmium, 499. 

 brassicae, 500. 



solani-varians, 499. 

 Sporotrichum, 459. 



anthophilum, 459. 



Spot disease of orchids, 64. 

 Spraying, 57. 



Spread of disease, 17. 



Spumaria alba, 533. 



Squirrel, 534. 



Stag-headed trees, 30. 



Stem disease of young fruit-trees, 171. 



Stereum, 395. 



frustulosum, 396. 



hirsutum, 395. 



purpureum, 66. 



quercinum, 398. 



rugosum, 398. 



wood-rot, 395. 

 Stigmatea mespili, 452. 

 Stilbum flavidum, 189. 

 Stinking smut of wheat, 345. 

 Stromatinia linhartinia, 273. 



padi, 273. 



temulenta, 275. 



Stysanus, 467. 



stemonitis, 467. 



Sulphhr, 56. 



dioxide, 39. 



injurious effect on vegeta- 

 tion; 39. 



Symbiosis of fungus and Lolium temu- 

 lentum, 21. 



Synchytrium, 98. 



niessii, 103. 



solani, 98. 



trifolii, 97. 



' TAKE ALL ' IN WHEAT, 226. 

 Taphrina, 143. 



aurea, 144. 



bullata, 144. 



sadebeckii, 144. 

 ulmi, 144. 



Tea mites, 544. 

 Tetramyxa parasitica, 533. 



telarius, 547. 



Tetranychus bioculatus, 548. 

 Thelephora laciniata, 61. 

 Thelephoraceae, 389. 

 Thesium linophyllum, 77. 

 Thielavia, 157. 



basicola, 160, 562. 



Thrips, 560. 



ceralium, 247. 

 Tilletia, 345. 

 corona, 347. 



