72 THE NATURE-STUDY OF PLANTS 
in a saucer, we shall be quite surprised at the number 
of seedlings that make their appearance; or we can 
try some mud scraped off our own boots after a ramble. 
Now, what is true of ourselves and our domestie 

Fiq. 23. 
A, fruit of Enchanter’s-nightshade, x 6; B, fruitlet of Yellow Avens, x 9; 
C, hooks on fruitlet of Cleavers, X 35. 
animals, in this respect, is also true of our wild animals, 
which are not so easy to observe or to catch and comb, 
but I once found the seeds of several different kinds 
of plants in the fur of a dead water vole. 
Our cat, however, teaches us one of the uses of the 
