PART IV 



LABORATORY EXERCISES IN CULTURAL 

 STUDY OF FUNGI 



CHAPTER XXXVII 

 LABORATORY AND TEACHING METHODS 



Introductory Remarks. — -The fourth part of this book is designed 

 principally to give directions for laboratory exercises in mycology,' 

 plant pathology and the determination of fungi. The teacher will find 

 perhaps more than can be covered conveniently in a year's work, unless 

 the number of hours to be devoted to the study is greater than usual in 

 college or university work. The instructor will be compelled therefore 

 to make a selection. There is provided in the fourth part laboratory 

 exercises in the making of culture media and stains, the methods of 

 study of bacteria and fungi, the manufacture and use of spray materials 

 and keys for the identification of different kinds of fungi for use as class 

 exercises in learning how to identify fungi and in becoming acquainted 

 with the terms used in systematic mycology. The teacher system- 

 atically inclined can emphasize the taxonomic exercises provided in the 

 lessons and appendices. The professor, who wishes to emphasize the 

 important phases of plant pathology, will find in the fourth part 

 exercises in the description and study of plant diseases and the 

 pathogenic organisms concerned in disease production. 



The teacher interested in technique will find many lessons which 

 deal with that subject, as also the apparatus used in the scientific study 

 of the fungi. The endeavor has been to appeal to a larger circle of 

 students than those engaged in purely pathologic study. The inquirer, 

 who wishes to lay a foundation in technical mycology, will find much 

 along this line in Part IV and the preceding parts of the book. The 

 teacher, who wishes to acquaint himself with the pedagogic methods, 

 will find suggestions on this important phase of mycology in the last 

 part of the text. The mycophagist, who desires to grow mushrooms, will 



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