106 



THE GARDEN OF EARTH 



of bread. But if the Wheat-plants failed to do their 

 part, we might cry out in vain for bread. 



What about Butter? That comes from the milk of 

 cows, churned into butter by man. And cows feed 

 largely on grass and hay; either green grass, each 

 blade of which has worked up the raw materials from 

 earth and air into a form which cows can digest; or 

 hay, which is simply dried grass. 



SUGAR-CANE. 



What about Beef and Mutton? Just the same. 

 Cattle and sheep live mainly on grass. Without it they 

 would die, unless some other vegetable-food should take 

 its place. 



What about Cheese ? That, again, is made from milk 

 or cream. Without the right vegetable-food for cows 

 we should have no milk, no cream, no cheese. 



What about Sugar? Immense supplies of it come 



