MUSHROOMS 



us large and strong. They have no leaf green, so they 

 must feed on material which has been made by green 

 plants. 



People who have studied fungi have placed them in 

 three classes. The first is a cobwebby plant, and in- 

 cludes the bread mold, the potato rot, and the fungus 

 which grows on fishes and makes them 

 die. First we see fine white threads * - 



2 J 



3... 



The Bread Mold. 1, Fine 

 Threads that form the 

 Plant; 2, Spore Cases. 



Spores in Sacs. 



Spores on Little Stalks 

 Standing in Large 

 Cells. 1, Spore 

 Cases; 2, Stalks on 

 which Spore Cases 

 Grow; 3, Cell out 

 of which the Stalks 

 Grow. 



which form the plant. Later there are spore cases 

 holding tiny black spores. As their number increases, 

 they form a disagreeable black mass which destroys 

 the life of that upon which it lives. 



The second class form spores in delicate sacs. 

 Among these is the yeast plant by which our bread is 

 raised. The fungus which makes the peach leaves curl, 



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