42 



NATURE STUDY. 



A good growth 

 of a large kind 

 of a mould is 

 generally easily 

 obtained by 

 placing a piece 

 of bread slightly 

 moistened in a 

 closed fruit jar, 

 kept closed that 

 the air around 

 the bread may 

 remain moist. 

 In some man- 

 ner the spores of 

 this mould are 

 sca'ilered everywhere so that the cleanest bread has some. In two 



T 4 Wy^^ - ^i^W -^^^'T^ 'W^' ' ''''^ ' ^I^ 



Pigr. 21 — The mould Mucor grown ou hreaLl. The network is the mycelium; the knobs 

 are the spore bearing- parts. Magnified. 



