Minnesota Plant Diseases. 



417 



Methods for smut treatment, 

 hot water, 225, 226 



Methods of cure, 209 



cleanliness, 209 



prompt action in, 209 



Methods of killing tissues, 79 



Microsphaera alni (Fig. 202), 377 



grossularize, 325 



Mildew downy (Fig. 44), 



109, no. III 



of beans, peas, etc., 336, 337 



of beets, 339 



of clovers, 314 



of cucumbers, melons, etc. 

 (Figs. 168 to 171), 



334, 335, 336, 338 

 of lettuce, 337, 339 



of mustards, cabbage, etc., 331 

 of onion, 333, 334 



of potato (Figs. 166, 167), 



331. 332, 333 

 of seedlings, 382 



of spinach, 339 



of vines (Figs. 196, 197, 198), 



368, 369, 370 



of violet, 384 



Mildew, destroyer of organs, 80 



epidemics (Fig. 40), 100, loi 



leaf habit of, 62 



of clothes, 43 



of grapes, 112 



Mistletoe, causing witches'- 



broom on spruce (Figs. 24, 



25), 54. 55 



disease of spruce (Figs. 24, 

 25, 101), 54, 55. 199, 200, 280, 281 

 Modes of life of parasitic fungi, 60 

 Molasses, in saccharate of cop- 

 per, 220 

 Molds, los, 106, 107, 113. 



114, IIS, 122, 123 

 Molds, black, of clover (Fig. 



153), 30s 



black or bread (Fig. 46), 



113, 114 



beginners in parasitism, 57 



green, allies of, 123 



green and blue, 122 



green, rot of timber, 270 



grey, of lettuce, 381 



of honey-mushroom, 394 



of insects (Fig. 47), 115, 116 

 27 



Molds, 



of mushrooms, 397 



on dung, 38 



on eggs, 44 



on mushrooms, 42 



palisade fungi, 171 



parasites of, 114 



power of fermentation, 114 



power to change sugar to 



starch, 114 



rots on fruits, 64 



sewer and drain (Fig. 43), 



107, 108 ■ 

 slime (Fig. 100), ig6, 197, 198 

 soft fruit rots, 353 



water and fish (Fig. 42), 



lOS, 106 



Morchella esculenta (Fig. 66), 147 



Morels (Fig. 66), 146, 147, 148 



fruiting bodies of, 25 



Morning glories, white rust of, 112 



Mosquitos, molds on, 116 



parasites of, 68 



Moss, morel allies among, 148 



parasites on, 198 



cup fungi in, 144 



Jew's-ear fungi on, i65 



Mossworts, 165 



Mucor, 353, 355 



Mucorineae, black molds (Fig. 



46), 113, 114 



Mud puppy, fish molds on, 107 



parasites on, 72 



Museum of plant diseases, 209 



Mushroom allies, on stems, 64 



Mushrooms, basidium-bearing 



fungi, 155 



coral fungus (Fig. 119), 244, 246 



earth-dwelling habit, 39 



fairy rings, 20 



fruiting bodies, 22 



gill fungi (Fig. 89) 179 



group, fungi on, 42 



group, leaf dwellers, 41 



group, wound parasites, 47 



honey-colored, rot (Fig. 



128), 260, 261, 262 



honey-colored, mold of, 394 



milk, fungi on, 133 



molds on, 114, jp7 



on dung, 38 



red disease of, 395 



