INDEX 



A list of the common and important diseases of economic plants in the United 

 States and Canada will be found on pages 414 to 474. The scientific names of 

 the various disease-producing organisms and their common names will be found 

 there, arranged alphabetically according to the host plants on which they grow. 

 These names have been omitted from this index. 



Abnormalities, classification of, 331 



Abortion, 331 



Abrasion, 294 



Acaulosy, 331 



Account of specific plant diseases, 



475 et. seq. 

 Acetic acid fermentation, 32 

 Acheilary, 332 



A-chlya, figures of species, 112 

 Achlya polyandra on water plants, 1 1 1 

 Achlya prolifera, zoospores of, 67 

 Acid injuries, 649 



Acid spotting of morning glories, 293 

 Acrasiales, 8 

 Acrasis granulata, 8 

 Actinomyces bovis, 39 

 Actinomyces chromogenes, 39, 266, 544 

 Actinomyces myricarum, 39 

 Actinomycetaceae, 39 

 Activators, 57 

 Adenopetaly, 332 

 Adesmy, 332 

 Adherence, 332 

 Adhesion, 332 

 ^cidium, 188 

 ^ciospores, 188 

 JEduia, 188 



Aerobic cultivation, 625 

 Aerobic organisms, 27 

 /^thalium, 13 



Agalinis as root parasite, 299 

 Agaricaceae, characters of family, 231, 



232 

 Agaricaceae, Key to, 732, 733, 734 



Agaricus arvensis, description of, 745 

 Agaricus campestris, analysis of, 55; 

 fat content, 56; fed to Plasmodium, 

 12; figure of, 234, 746; description 

 ofj 745) 746; number of spores, 234, 

 Agaricus, description of genus, 745 

 Agaricus placomyces, description of, 746 

 Agaricus Rodmani, description of, 747 

 Agaricus silvicola, description of, 747 

 Agaricus spectabilis, resin in, 56 

 Agaricus subrufescens, description of, 



747 

 Agar-agar, 605 

 Agars, various, 606, 611 

 Air content of tissues and disease, 280 

 Albinism, 343 

 Albumen of egg, 603 

 Alcoholic fermentation 59; in yeasts, 138 

 Alfalfa, leaf spot of, 476, 477; leaf rust, 



477 

 Algae in lichens 78; parastic, 391 

 Alteration of position, 347 

 Alternation of generations in rusts, 



diagram of, 194 

 Alternaria citri, 533; dianthi on carna- 

 tions, 488, 489, "490; violae, 558; 

 figure of, 559 

 Alternariose of carnation, 488, 489, 490; 



figure of, 489 

 Amanita caesarea, description of, 734, 

 735, muscaria, description of, 735, 

 736; at edge of woods, 83; figure of, 

 233; phalloidea, description of, 736; 

 figure of, 238; in woods, 83. 



753 



