"Well, dear," replied her governess, laughing, "as you are not an Indian, you will probably not be called upon to like them; but it would be better to eat acorns than to starve. You may have noticed the trunk and branches of the oak are often gnarled and knotted, and this helps to give the tree its appearance of great strength. It is just as strong as it looks, and for building-purposes it lasts longer than any other wood. Beams and rafters of oak are found in old English houses, showing among the brick-work, and many of these half-timbered houses, as they are called, were built hundreds of years ago.