PARASITISM IN FUNGI 133 



roundings on growth and reproduction of Basidiobolus 

 ranarum, Flora, 82, p. 107 (1896). 



Klebs gives a general summary of work on physiology 

 of fungi, and additional research, Pringsh. Jahrb., 35, 80 

 (1900). 



FIG. 42. Clavaria fastigiata, a typical saprophyte, 

 growing among grass, and obtaining its food from humus 

 in the soil. Nat. size. 



PARASITISM IN FUNGI 



From the point of view of nutrition fungi have been 

 arranged under two headings. Saprophytes derive their 

 food from dead or decaying organic matter. Parasites 

 obtain their food from living animals or plants. There are, 



