406 



Minnesota Plant Diseases. 



Cats, fungi on, 

 Cattle, fungi on, 



wounds caused by, 

 Cauliflower, 



black rot of, 



sterile-fungus rot of, 

 Cause, immediate, of disease, 

 Cedar apple, of red cedar (Figs. 

 181, 182), 347,348, 



rusts of, 160, 164, 



Cedar, red, 



bird's-nest broom of, 



bird's-nest rust of, 

 Cedar, white, 



Jews' ear on, 

 Celery, 



leaf blight of, 



sterile-fungus rot of, 

 Cells of wood tissues, 

 Cellulose, in cell walls, 

 Cercospora apii, 



beticola, 



violas, 381, 



Cereal rusts (see rust of wheat). 

 Cereal smuts,* 



Cereals, rust-proof varieties, 

 Chaetomiacese (Fig. 60), 136, 

 Cheese, bacteria in, 



green mold on, 118, 



Cherry, 



black knot of (Fig. 191), 



135, 136, 358, 359, 



broom on, 



brown rot of, 



leaf rust of, 



pockets of, 120, 



powdery mildew of (Fig. 

 192), 360, 



scab of, 



stunting by pocket fungi, 



witches'-broom of, 121, 271, 

 Chickens, parasites on, 

 Chickweed, rust of balsam fir, 

 Chlorosplenium asruginosum, 

 'Chondrioderma difforme (Fig. 



100), 



^Chrysanthemum, powdery mil- 

 dew of, 379, 



rust, 371, 



Chrysomyxa pirolae, 

 Chytridinese (Fig. 41), 104, 



^Cladosporium carpophilum, 

 Clamps, hose (Fig. in), 



73 Clams, parasites of, 67 



73 Classification of diseases, I 



47 Clavaria, species of (Fig. 83), 173 

 rots of wood, 244 



342 Clavariace?e (Fig. 83), 172, 173, 174 

 329 Claviceps purpurea (Figs. 154, 

 2 155). 306,307,308,309 



Cleanliness in prevention of 



349 spread, 207 



166 Clover, bacterial nodules of, 195 



black mold of (Fig. 153), 305 

 165 cup fungi on, 145 



350 cup fungus leaf spot, 309, 310 

 damping-off, 109, 382 



167 dodder on, 200 

 downy mildew of, 112, 314 



328 leaf rust, 292 



329 leaf spot of, 309, 310 

 85 rotation of crops and bac- 



85 teria, 196 



328 . rusts, 166 



328 v Clothes, mildew of, 43 



382 Club fungi (Fig. 83), 172, 173, 174 

 earth-dwelling habit, 39 



158 edible forms, 174 



289 fruiting bodies, 23 



137 rots of wood, 244 



196 Club root of cabbage, radish, 



122 etc. (Figs. 179, 180), 345, 346 



Club root of beets, 198 



Club rust of juniper, 349, 350 



360 Cluster-cup, 



56 of ash-leaf (Figs. 75, 76), 



357 l6 2, 163 



350 rust of composites, 387 



361 rust of gooseberry and cur- 



rant, 317, 386, 387 



361 rusts of wild flowers, 386 



363 Coal spot diseases, 151 



82 Coccus, a bacterial form, 190 



363 Coelenterates, parasites of, 66 



73 Coffee rusts, 166 



278 losses by, 201 



267 Coleosporium sonchi-arvensis 



(Fig. 205), 376, 388 



197 Collards, black rots of, 342 

 Colletotrichum lindemuthianum, 327 



380 Collybia rot, velvet stemmed 



372 (Fig. 130), 264, 265 



386 Collybia velutipes (Fig. 130), 



105 264, 265 



363 Colorations of bacteria, 194 



228 Columbines, rust of, 386 



