Stránka:book 1922.djvu/414

384 The Book of Woodcraft nut with wings; the Speckled Alder {A. incana) leaves downy beneath; the European Alder (A. glutinosa) with broad, rounded double-toothed leaves; (this often becomes a tall tree) and the Seaside Alder (^4. mari- tima) known by its long narrow leaves. Ironwood, Hard-Hack, Leverwood, Beetle-wood or Hop Horn- beam. (Ostyra Virginiand) A small tree; 20 to 30, rarely 50 feet high; named for its hardness and its hop-like fruit. Bark, furrowed. Wood, tough close-grained, un- splittable. One of the strongest, heaviest and hardest of timbers. A cubic foot weighs over 51 lbs. That is, it comes near to Shagbark Hickory in weight and perhaps goes beyond it in strength and hardness. Leaves 3 to 5 inches long. Fruit i| to 2f inches long.