“Mother explained it to us this morning and said that you would tell us about the wheat fields and bake ovens,” spoke up Ruth.

“I certainly will, children,” said their father, looking pleased. “Let me see; what is this made of?” he asked, picking up a piece of bread.

“Flour.”

“Yes, what kind?”

“Wheat flour.”

“Correct; so this is wheat bread. What other kinds of bread are there?”

“Rye bread, bran bread, graham bread.”

“Yes; and in Europe bread is often made of oats and barley.”

“Bread is sometimes called by another name,” said their mother; “did you ever hear of it? The staff——”