296 



ESSENTIALS OF BOTAKY 



It is fairly certain that they were of the simplest structure, 

 probably far below anjr of the more highly developed algse. 

 377. The Earliest Plants akin to Animals. — It is easy 

 in the case of the higher members of both kingdoms to 

 state the differences between plants and animals. No one 

 can fail to distinguish between the grazing animal and the 

 grass on which it feeds. 



There are many exceptions to the statements above 

 given ; as, for instance, fungi fail to conform to the char- 

 acteristics given under the headings 1, 2, 3, and 6. Some 

 of the lowest known organisms, such as the slime-molds 



1 See Thomson's Outlines of Zoology, Chapter II, D. Appleton & Co., 

 New York. 



