MUSHROOMS 



us large and strong. They liave 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 col)we]jb3' plant, and in- 

 cludes the bread mold, the potato 

 rot, and the fungus w^hich grows on 



/I J^Ki 



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 

 Crow; 3, Cell out 

 of which the Stalks 

 Grow. 



fishes and makes them die. I'irst we see fine white 

 threads which form the plant. Later there are spore 

 eases holding tiny black spores. As their number in- 

 crease's, they form a disagreeal)le ])lack 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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