ECONOMIC IMPORTANCE OF FUNGI 
307 
numerous important ways in which these tiny plants affect 
our daily lives. In fact their discovery has practically 
revolutionized our method of living in many ways. 
FIG. 225. Louis Pasteur, founder of the science of bacteriology. 
Modern methods of sanitation and hygiene, public and 
private, modern house furnishing, as, for example, the 
substitution of bare floors with rugs in place of carpets, 
modern views of disease and methods of treating it, and 
