404 



Minnesota Plant Diseases. 



Black mold of clover (Fig. 



153), 30s 



Black molds (Fig. 46), 113, 114 



dung-dwelling habit (Fig. 



16), Zl 



on food, 43 



on mushrooms, 397 



parasites on, 114 



soft rots of fruits, 353 



Black rot of apple (Fig. 194), 



363, 364 

 of cabbage (Figs. 174, 175, 



176, 177, 178), 342, 343. 344 

 of tomato, 328 



of vine, 365, 366 



Black rust of wheat (see rust 



of wheat), 291 



Black spot, on elm leaf, 136 



on grasses, 136 



Blight, early, of potatoes, 329 



Blight, fire, of apples (Fig. 



195), 364, 365 



Blight, leaf, of celery, 328 



Blight, of apples and pears (Fig. 



195), 364, 365 



of bean leaf, 342 



of potato (Figs. 39, 166, 167). 



99, no. III, 112, JJ7, 33^,333 

 of potato, epidemics, 100 



of potato, inoculation by, 98 



of potato, spores of (Fig. 



44). 



of rose (Figs. 203, 204) 



of sorghum, 



of willow (Fig. 134), 

 Blister of oak leaf. 

 Blow guns. 

 Blueberry, cup fungi on, 



gall disease of, 



gall fungi on, 



galls on, 



rust of. 

 Blue green alg;e in s 

 Blue molds (Fig. l), 



allies of, 



assisting in fermentation, 



half saprophytes, 



cm food, 



on mammals, 



parasites on, 



relatives of, on bees' nests, 



soft rots of fruit (Figs. 188, 

 189), 



109 



378, 379 



314,315 



272, 273 



272 



232 



145 



385 



170 



S6 



387 



271 



122 



123 



119 



35 



43 



73 



115 



42 



353 



flux. 



Blue molds, 



spore resistance to drying. 

 Blue water, 



Board, pine, attacked by dry rot 

 (Figs, 121, 122), 248, 



Boletus, species of (Fig. 85), 



176, 

 Bones, fungi on, 42, 



Borage family, powdery mildew 

 of, 



wheat rust on, 

 Bordeaux (see bordeaux mix- 

 ture), dry, 218, 227, 



for anthracnose of currant. 



for apple orchards. 



for apple rot, 



for apple scab, 



for asparagus rust, 



for bean anthracnose, 



for bean rust, 



for black knot, 



for black rot of tomato, 



for black rot of vines, 



for blight of rose, 



for brown rot of plums, 



for carnation rust, 



for downy mildew of cu- 

 cumbers, 



for downy mildew of onion, 



for early blight of potatoes. 



for leaf blight of celery, 



for leaf blight of strawberry, 



for leaf rust of apple, 



for leaf spot of beets, 



for orange rust of rasp- 

 berry, etc., 



for plum pocket. 



for plum scab, 



for plum leaf rust. 



for potato blight, 



for powdery mildew of ap- 

 ple, 



for powdery mildew of 

 hops, 



for powdery mildew of 

 vines, 



for rose leaf rust, 



for rust of mallows, 



for violet leaf spot, 

 Bordeaux mixture, 



213,215,216,217, 



stock solutions of, 216, 



33 

 219 



249 



177 

 122 



396 



229 

 327 

 347 

 357 

 352 

 319 

 327 

 319 

 360 



329 

 366 

 379 

 358 

 373 



336 

 334 

 329 

 32S 



323 

 349 

 328 



317 

 362 



363 

 351 

 333 



361 

 325 



366 

 375 

 373 

 381 



21S 

 ,217 



