Minnesota Plant Diseases. 



403 



Bacteria, 



zooglcea, 190 



Bacterial purple, 194 



Ball-throwing fungus, explosive 



apparatus, 33 



Balsam fir, 



green cup-fungus rot, 267 



canker of stem, 268 

 Jews' ear fungus on (Fig. 



79), 167 

 witches'-broom of (Fig. 23), 



53, 277, 278 



Barberry, rust spores on leaf 



(Fig. 73), 159 



pycnidium on leaf (Fig. 74), 161 

 wheat rust on (Fig. 145), 



283, 285, 290 



Bark, tree, smooth shelves on, 171 



Barley, covered smut of, 300, 302 



ergot on, 130 



naked smut, 300 

 rust (see rust of wheat). 



Barrel pumps (Figs. 104, 105), 



213, 214. 230 



in action (Fig. 107), 217 



Basidiomycetes, 153 



Basidium. of Jews' ear fungi 



(Fig. ;8). 166 



of palisade fungi (Fig. 8l), 170 



of rusts (Fig. 73). 159 



of trembling fungi (Fig. 78), 166 



of weeping fungi (Fig. 78), 166 



true. 155 



Basidium-bearing fungi, 



153. 154- 155- >7 



Bean, anthracnosc of, 327 

 bacterial nodules of ( Fig. 



98). 195 

 downy mildew of. 112.330.337 



leaf blight. 342 



rust (Fig. 162), 166, J/9 



sterile-fungus rot of. 329 



Bear's head fungus, 175 



fruiting bodies of. 23 



rot of timber, -'44 



Beef-teak fungi. 177 



Beer, bacteria in. i</> 



Beer-making (see yeasts). 



bacteria in. 195 



Bees' nest dwelling habit. 42 



Bees' nest, fungi on. 122 



Beet, damping-off of. 109 



downy mildew of. 112. J^p 



Beet, 



leaf spot of, 328 



scab, 327 



sclerotium disease of roots, 322 

 slime mold parasite of, 108 



sterile-fungus rot of, 329 



Beetle fungi, 139, 140 



on insects (Fig. 30), 68.69 



origin of, 140 



Beetles, parasites of, 71 



Biologic species, 88 



of rusts, 289 



Birch, fungi on branches. 139 



gill fungus on (Fig. 86). 177 

 green cup-fungus rot, 267 



hairy pore fungus, 257 



leaf rust, 279 



parchment pore-fungus rot. 258 

 powdery mildew of. 



125, 272, 377. 395 



sapid fungus rot (Fig. 131). 265 

 shelf fungus. 175 



slime mix of. 271 



witches'-broom on, 56, 121. 271 



Birch-fungus rot (Fig. 126). 254,255 



Birds, parasites on. 7^ 



Bird's-eye rot of grape. 367 



Bird's-nest fungi (Fig. 13). 186 



fruiting bodies, 23 



spore distribution. 29 



Bird's-nest rust of red cedar. 350 



BirdVnc-t witches'-broom 



( Figs. 2<>, 57). 54. 55 



Bitter rot of apples (Fig. 190), 



356. 357 



Blackberry, orange ru-t of 



( Fig. 100), 310,317 



Black haw. powdery mildew of 

 (Fig. 51 >. 125 



Black knot (Fig. 5/>. U5- '3 6 



allies of. 135- >3 r > 



fruiting bodies of. 23 



on plum and cherry I Fig. 



191.). 358. 359- 3<*> 



Black fungi. 12 3 



apple -cab, 35 l 



black roi of tomato. 329 



black rot of vine. 3"5 



early blight of potato. 329 



imperfect fungi of. '4'J 



red disease of mushrooms. 395 

 red knot rot. 271 



