"The white is certainly prettier without the mixture of brown," replied her governess, "but we have to take our flowers ready-made, and can hardly expect them to be beautiful and fragrant too. The separate blossoms are shaped like those of the pea and bean; they hang in long clusters somewhat resembling bunches of grapes. The leaves--or, rather, leaflets--are very sensitive and have a habit of folding over one another in wet and dull weather, and also in the night--a habit that is peculiar to all the members of the acacia family, to which the locust belongs."