THE FUNGUS BODY OF HYPHAL ELEMENTS. 47 



they may be found in the leaf-mold of forests or in rotten 

 stumps or between boards in wet places. 



Fig. 56. — a, compact mycelium of ergot in the form of a grain-like body, replacing 

 grain of rye ; i>, the same germinating to form reproductive bodies. Natural size. — 

 After Tulasne. 



54a. Lichens. — The body of lichens is a mycelium woven 

 about isolated unicellular algae, colonies, or filaments, 



