"You certainly know of one kind," was the reply--"the black, or sweet, birch, which we have all tried and like so well. Besides this, there is the white, or little gray, birch, which is seldom over twenty-five or thirty feet high. It is, however, a graceful and beautiful object, enjoying to an eminent decree the lightness and airiness of the birch family, and spreading out its glistening leaves on the ends of a very slender and often pensile spray with an indescribable softness. An English poet has called this tree the