218 

 220 

 219 

 2ig 



428 



Sprays, 



bordeaux resin, 



copper acetate, 



copper sulphate, 



eau celeste, 



iron sulphate and sulphuric 



acid, 22J 



potassium permanganate, 221 



potassium sulphide, 220 



saccharate of copper, 220 



Spread of diseases, prevention 



Spruce, mistletoe disease of (Fig. 



101 )> 199,200,280,281 



rust of cowberry, ?g 



witches'-broom on (Figs. 



O 4 -S \ 



~t> *sJ> 54, 55 

 Squash, downy mildew of, 334 

 wilt of (Fig. 173), 34I 

 Squirrel, agent of spore distri- 

 bution, _, Q 

 corn, rust of, 3 gg 

 tail grass, rust on, 2 g 7 

 wounds caused by, 47 

 Stalked fungi (see basidium- 



bearing fungi), IO3 



Stalked puff-balls (Fig. 92), 182, 183 



strands of (Fig. 3), I ^ 



Starch, molds on, I22 



solution of, by fungi, g 5 



turned to sugar by molds, 114 



yeasts in, Iig 



Stars, earth (Fig. 93), l8s> l86 



Starworts, smut of, o 7l 



State aid in disease prevention, 208 



Steeps, 22I 



corrosive sublimate, 226 

 formalin, 22I 2 ^, 



hot water, -- 



Stem canker of balsam fir, 268 



-inhabiting parasites, 6^ 

 rust (see rust of wheat), 

 rust of cowberry (Fig. 



207 )> 387- 389, 390 

 rust of pine (Fig. 136), 275, 276 



rust of rose, 375,376 



btems, bacteria in. IO2 



dead, cup fungi on, 144 



imperfect fungi on, i$ 2 



rusts on, jg. 



smuts in, j.g 



sphere fungi on, ^g 



Minnesota Plant Diseases. 



Stereum frustulosum (Fig. n8). 242 

 hirsutum, 



wood rot (Fig. 117), 

 Sterile-fungus rot of garden 



plants, 



Sticks, dead, cup fungi on, I44 



dead, fungi, 

 fungi on, 



gill fungus on (Fig. 86), 177 



tar spot allies on, I42 



trembling fungi on, jgp 



Stimulation by rusts, rf* 



by smuts, j.g 



of floral rudiments, g 3 



of host, g 2 J7I 



of new organs, g 4 



Stinking smut of wheat (Fig. 



I47) ' 295, 296 



formalin treatment, 221, 22} 



Storage organs (Figs. 3, 4), 



13, 14, 15 

 caterpillar fungi. I3I 



food material of, I - 



of cup fungi, I4 - . 



of ergot (Figs. 53, 54), 



127, 128, 129 

 with fruiting bodies (Fig. 



qt 



Storage rots ot trim, 



Strainer brass, for barrel pump 

 (Fig. 105), 



Strands (Fig. 3), 



of dry rot (Fig. 5), 



of honey mushroom (Fig. 7) 



of puff-ball (Fig. 93), 



Strangling fungi (Figs. 57, 58), 



132, 



Strawberry leaf blight, 323, 



leaf spot (Fig. 35). 79 ' 



powdery mildew of. 

 Stumps, rots of (see timber 



rots). 



Stunting of plants, g x 



Sublimate corrosive, a steep, 

 Sucker roots of mistletoe and 



dodder, 



Sucker threads of parasitic fungi 

 ^ (Fig. 2), 

 Sugar, from starch by molds. 



yeast in solutions of, 

 Sulphate, iron, and sulphuric 

 acid. 



353 



2II 

 I3 

 I5 



, 18 

 ' I8 - 



133 

 324 

 I3 g 



324 



6l 



114 

 119 



22J 



