PROTOPLASM AND ITS PKOPEETIES. 



127 



their microscopic size, but still more in their lack of an 

 embryo. The spores of slime-moulds are capable, when kept 

 dry, of preserving for many years their power of germination. 



Fig. 102. — A Slime-Mould, (a-m, inclusive, magnified 540 times, n magnified 90 times.) 



but in the presence of moisture and warmth they will ger- 

 minate as soon as they are scattered. During the process of 



