404 



Minnesota Plant Diseases. 



Black mold of clover (Fig. 



153), 



Black molds (Fig. 46), 113, 



dung-dwelling habit (Fig. 



16), 



on food, 

 on mushrooms, 

 parasites on, 

 soft rots of fruits, 

 Black rot of apple (Fig. 194), 



363, 



of cabbage (Figs. 174, 175, 

 1/6, 177, 178), 342, 343, 

 of tomato, 



of vine, 365, 



Black rust of wheat (see rust 



of wheat), 

 Black spot, on elm leaf, 



on grasses, 



Blight, early, of potatoes, 

 Blight, fire, of apples (Fig. 



195), 364, 



Blight, leaf, of celery, 

 Blight, of apples and pears (Fig. 



195), 364, 



of bean leaf, 



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

 99, no, in, 112, 331, 332, 

 of potato, epidemics, 

 of potato, inoculation by, 

 of potato, spores of (Fig. 



44), 



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



of sorghum, 314, 



of willow (Fig. 134), 272, 

 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 slime flux, 

 Blue molds (Fig. i), 



allies of, 



assisting in fermentation, 



half saprophytes, 



on food, 



on mammals, 



parasites on, 



relatives of, on bees' nests, 



soft rots of fruit (Figs. 188, 

 189), 



Blue molds, 



305 spore resistance to drying, 



114 Blue water, 



Board, pine, attacked by dry rot 

 37 (Figs, 121, 122), 248, 



43 Boletus, species of (Fig. 85), 

 397 176, 



114 Bones, fungi on, 42, 

 353 Borage family, powdery mildew 



of, 



364 wheat rust on, 

 Bordeaux (see bordeaux mix- 



344 ture), dry, 218, 227, 



328 for anthracnose of currant, 



366 for apple orchards, 



for apple rot, 

 for apple scab, 

 for asparagus rust, 

 for bean anthracnose, 

 for bean rust, 

 for black knot, 



365 for black rot of tomato, 

 328 for black rot of vines, 



for blight of rose, 

 365 for brown rot of plums, 



342 for carnation rust, 



for downy mildew of cu- 

 333 cumbers, 



100 for downy mildew of onion, 



98 for early blight of potatoes, 



for leaf blight of celery, 

 109 for leaf blight of strawberry, 



379 



315 for leaf rust of apple, 



273 for leaf spot of beets, 



272 for orange rust of rasp- 



232 berry, etc., 



145 for plum pocket, 



385 for plum scab, 



170 for plum leaf rust, 



56 for potato blight, 



387 for powdery mildew of ap- 



271 pie, 



122 for powdery mildew of 



123 hops, 



119 for powdery mildew of 



35 vines, 



43 for rose leaf rust, 



73 for rust of mallows, 



115 tor violet leaf spot, 

 42 Bordeaux mixture, 



213, 215, 216, 217, 

 353 stock solutions of, 216. 



33 

 219 



249 



177 



122 



229 



327 



347 

 357 

 352 

 319 

 327 

 319 

 360 



329 

 366 

 379 



358 

 373 



336 

 334 

 329 

 328 



317 

 362 



363 

 351 

 333 



325 



366 

 375 

 373 

 38i 



218 

 217 



