HOW ANIMALS GET ABOUT. 
3 
through a basin of berries every one knows. The mould 
is as much a plant as the bush that produced the berries ; 
it comes from a small spore, which takes the place of a 
bud or sprout or seed. The decay of a tree begins where 
a limb or root has been injured, and whether the timber 
is living or dead, this decay results from the growth of 
some one or more low forms of plant life which enter the 
timber in certain places and slowly or quickly penetrate 
and affect other portions more or less remote. 
