. Bulletin (Pennsylvania Department of Forestry), no. 11. Forests and forestry. 199 PLATE CV. MOUNTAIN MAPLE MOUNTAIN MAPLE Acer spicatum, Lambert FORM—^A shrub or small tree sometimes attaining a height of 36 ft. with a diameter of 11 Inches. Usually a shrub growing In clumps on rocky soil. Trunk usually short and bears rather straight, slender and upright branches. BABK—Thin, rather smooth, brown or grayish-brown mottled with dingy gray blotches. TWIGS—Slightly hairy, at first reddlrti-purple on exposed side and yellowish-green on shaded side, later bright red and then changing to grayish-br
. Bulletin (Pennsylvania Department of Forestry), no. 11. Forests and forestry. 199 PLATE CV. MOUNTAIN MAPLE MOUNTAIN MAPLE Acer spicatum, Lambert FORM—^A shrub or small tree sometimes attaining a height of 36 ft. with a diameter of 11 Inches. Usually a shrub growing In clumps on rocky soil. Trunk usually short and bears rather straight, slender and upright branches. BABK—Thin, rather smooth, brown or grayish-brown mottled with dingy gray blotches. TWIGS—Slightly hairy, at first reddlrti-purple on exposed side and yellowish-green on shaded side, later bright red and then changing to grayish-brown, covered with few scattered lenticels; contain brown pith, and are encircled by 2 or 3 dark rings formed by the scars of fallen bud-scales. BUDS—Opposite, short-stalked, rather small, about i of an inch long Including stalk; ter- minal buds larger and more acute-pointed than lateral appressed buds; one pair or sometimes two pairs of more or less hairy, grayish or greenish scales visible. LEAVES—Opposite, simple, 3-5 lobed, coarsely serrate on margin, cordate at base, some- what hairy on lower surface. Petioles long, slender and enlarged at base. LEAF-SCABS—Opposite, V-shaped, hollow, vrtth 3 bundle-scars, and nearly encircle stem. FLOWERS—Appear about June after the leaves are full grown, In erect terminal racemes. Stamlnate flowers occur usually at the top and the pistillate at the base of the raceme. FRUIT—Matures In September In drooping racemes; wings of the keys somewhat divergent, about i of an Inch long, the seed-bearing part strongly striated. WOOI>—DUTuse-porous; soft, close-grained, light to reddish-brown with wide zone of light sapwood. Seldom used commercially. Weighs 33 lbs per cubic foot. DISTINGUnSHINa CHARACTERISTICS—The Mtountain Maple, also known as Spotted Maple, lb essentially a shrubby species growing In small - clumps, and can be distinguished from most species of Maple by Its stalked, few-scaled winter-buds, erect racemes of flo
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