Minnesota Plant Diseases. 



Sulphate, 



of iron copper and alum- 

 inum, 239 

 of magnesium, 240 

 Sulphide of potassium, 220 

 Sulphur and lime, 227 

 for downy mildew of onion, 334 

 Sulphur for asparagus rust, 319 

 for onion smut, 320 

 for powdery mildew of cu- 

 cumber, 325 

 for powdery mildew of rose. 379 

 for powdery mildew of 



strawberry, 324 

 for powdery mildew of 



vines, 366 

 flowers of. 227 

 fungus (Fig. 124). 175. .'5. >$$ 

 Sulphuric acid and iron sul- 

 phate, 221 

 for anthracnose of grape. 367 

 Sumacs, leaf curl fungi on. 121 

 Sun scalds wounds of, 47 

 Sunflowers, downy mildew of, 112 

 powdery mildew of, 396 

 rusts of (Fig. 206), 



160. 373. 374, s~5. 3*9 

 Susceptibility toward disease, 

 Sweet William, sterile-fungus 



rot of. 

 Swimming spores of fish mold 



(Fig. 33). 7-' 



Synchytrium anemones. 308, 399 



decipiens (Fig. 211), 398 



taraxaci, 399 



Tamaracks, scaly Lentinus rot. 267 



Tanning and bacteria. 196 



Tape worms, degeneration in. 10 



Taphrina, species of, 272 



Tar ringing, to prevent in-rct 



wounds. 205 



spots and allies. 142 



spots of maple (Fig. 133"). 



2;:8. 20 ,1 



spots of maple and willow. 136 



spots of willow ( Fig. 133.), 270 



to cover wounds, 205 



used against timber rot. 87 



Temperature, influence on bac- 

 teria. 192 



Terfeziace;v, i_>} 



429 



Texas fever of cattle, slime 



molds of, 198 



Thalictrum, rust of, 390 



Thelephoralaciniatum, 172,243 



terrestris, 243 



Thelephoracea? (Fig. 82), 171 



Thorn trees, leaf rust of, 349 



Threads, sterile, in cup of cup 



fungi (Fig. 62), 141 



sucker, 61 



Thrush, caused by yeast allies. 120 



Ties, railroad, gill fungus on 



(Fig. 116), 236 



railroad, rot of (Fig. 116), 



87. 236. 239 



Tilletia tritici (Fig. 147) 295.29(1 

 Timber rots, 235, 260 



birch-fungus. 254 



bird's-nest fungi, 187 



club fungus, 244 



coral fungus, 244 



creeping pore fungus. 25 S 



dry rot, 245 



elm Pleurotiis, 205 



false tinder fungus, 250 



fatty Pholiota. 262 



flattened pore fungus, 251 



gill fungus, 179 



green cup fungus, 267 



green mold. 270 



hairy pore fungus, 250 



methods of attack upon 



wood cells (Fig. 38), 85.80 

 Nectria of red knot. 271 



oak Da-dalea. 257 



parchment pore fungus, 258 



partridge wood rot. 242 



pine Lenzites, 2Mj 



pitch-stemmed pore fungus. 259 

 prevention of, 237, 238. 239, 240 



ring scale of pine, 



scaly I.eiitimis, 



scaly pore fungus. 



>cur;"y 1'hoHota. 



shot- string fungus. 



Miiooth shelf. 



Stereum wood rot. 



sulphur fungus. 



tinder fungus. 



Tramete> wood rot. 



use of cresote to prevent. 



256 

 267 

 -'54 



-'63 



