44 NATURE STUDY 



become in some cases scavengers clearing away dead timber or 

 dead animals, or may attack all substances made of wood or other 

 plant products or of animal products, that means our food and 

 clothing, or may attack living plants or animals. The preserva- 

 tion of food, clothing, the protection of garden and orchard plants 

 from certain diseases and the treatment of many of the diseases of 

 the human body are problems of dealing with forms of fungi, 

 mostly of the minute forms. 



The collection ot a few of the common forms of mushrooms 

 will easily recommend them to the teacher as excellent objects for 

 drawing. Their graceful forms and beautiful colors have been 

 most attractively portrayed by Gibson in his "Toad-stools and 

 Mushrooms." 



