Stránka:book 1912.djvu/450

41 8 The Book of Woodcraft Balsam Poplar, Balm of Gilead, or Tacamahac {Populus balsamifera) Fifty or 60 feet ordinarily, but sometimes 100 feet high. Bark rough and furrowed. The great size of the buds and their thick shiny coat of fragrant gum are strong marks. Wood much as in the preceding, but weighs 23 lbs. Leaves 3 to 6 inches long. Can. & Nor. States. Cottonwood (Populus deltoides) Small and rare in the northeast. Abundant and large in west; even 150 feet high. Wood as in other poplars but weighs 24 lbs. Leaves 3 to 5 inches long. Maine to Ga. and west to Alberta. Black Walnut {Juglans nigra) A magnificent forest tree up to 150 feet high, usually much smaller in the east. Wood, a dark purplish brown or gray; hard, close-grained; strong; very durable in weather or ground work, and heavy. A cubic foot weighs 38 lbs. Leaflets 13 to 23; and 3 to 5 inches long. Fruit nearly round, i| to 3 inches in diameter. Mass. to Minn, and south to Miss.