4i6 



Minnesota Plant Diseases. 



Locusts, molds on, ii6 



I/Og, club fungi on (Fig. 83). 173 



coral fungus on (Fig. 84.), 174 



pore fungi on, 175 

 rot of (see timber rots), 



-smooth shelves on, 171 

 trembling fungi on (Fig. 



80), 167 



weeping fungi on, 169 



X,olium temulentum (Fig. 28), 60 

 Long-stalked puff-balls (Fig. 



92), 182 

 Loose smut of oats (Fig. 146), 



293. 294 

 of wheat, 297 



of wheat, formalin treat- 

 ment, 223 

 Loose-weft fungi (Fig. 49), 121 

 Lowly algal fungi (Fig. 41), 



104, 105 

 gall fungus of peanut, 398 



leaf wart of dandelion, 399 



seedling disease of cabbage, 



339, 340 

 Lucerne, downy mildew of, 314 



leaf spot of, 309, 310 



Lumber, rots of (see timber rots). 

 Lumpy jaw of cattle, jt, 



in man, 75 



Lurking fungi, 31 



Lycoperdineas (Figs, go, 91, 



93), 184, 185. 186 



Lycoperdon gemmatum (Figs. 



go, 91). 181, 182 



Macrosporium solani, 329 



tomato, 328 



Magnesium sulphate, for timber 



rot, 240 



Malaria, slime mold of, 198 



Mallow rust, 31, 166. 372, 373 



Mammals, diseases of lower, 73 



Man, agent of spore distribution, 31 

 fungus diseases of, 74 



wounds caused by, 47 



Manure, fresh, and spread of 



c'isease, 206 



Maples, elm Pleurotus rot, 265 



powdery mildew of, 125 



slime flux of, 271 



smothering fungus of seed- 

 lings, 243 

 tar spots of leaf (Fig. 133), 



142, 268. z6g 



Marsh mallows, 372 



Mayflowers, rust of, 386 



Meat extracts, fungi on, 122 



Mechanical means of methods 



of cure, 2og 



Medicago denticulata, bacteria 



of nodules (Fig. gg), 196 



Medusa-head fungus rot, 244 



Melampsora betulina, 279 



populina (Fig. 137), 278, 27g 



salicis caprere (Fig. 138), 279 



Melons, downy mildew of (Figs. 



168 to 171), ^'12,334,335,336 



-Merulius lacrymans (see dry rot) 

 (Fig. 5), 15 



Mildew powdery (Figs. 50, 51, 

 52), 124, 125 



distribution of spores, 28 



of apple, 361 



of chrysanthemum, 379, 380 



of composites (Fig. 210), 



396, 397 

 of cucumbers, 324, 325 



of elms (Fig. 135), 274 



of gooseberry, 325 



of grasses (Fig. 152). 304 



of hazel. 395 



of hops, 325 



of lilacs (Fig. 202). 377 



of mints, 397 



of plums and cherries 



(Fig. 192), 360, 361 



of rose (Figs. 203,204), 378, 379 

 of strawberry, 324 



of vetch and crowfoot, 395, 396 

 of vines. 366, 367 



of willow (Fig. 134). 272, 273 

 Milk fungi, I79 



sugar, yeasts in, 119 



mushrooms, fungi on, 133 



mushrooms, red disease of, 



39S 

 JNiilkweed rusts, 160. jS6 



Millet smut, 303 



Minnows, fish molds on, 107 



Mint, powdery mildew of, 397 



rust of (Fig. 209), 



160, 317, 318, 393 



Method of attack in germinating " 



spore, ig 



of inspect-inhabiting fungi, 19 



of parasites, 61 



