. Bulletin (Pennsylvania Department of Forestry), no. 11. Forests and forestry. PLATE CV. MOUNTAIN MAPLE. 1. I'.iiiiKli with inattirp loaves and two frect ! i. A seed, sliylitly eiila!â¢>.'«'''. , ⢠, j ratM'tncs of flowers, x J. I "'â Wiiitt-r twiy: witli stalUtd ImhIs. Iciilir.'ls aud li I'.rainli with a mature leaf and a racem*' >>f with liiuMllf-scars x ?.. fruit, X i. 'â â of a wiiittT twJg, enlarged. 3. A maple key with exposed seeds, x |. 193 MOUNTAIN MAPLE. Acer spicatum, Lambert. FORMâA shrub or Bmall tree sometimes attaining heiglit of 35 ft. with a
. Bulletin (Pennsylvania Department of Forestry), no. 11. Forests and forestry. PLATE CV. MOUNTAIN MAPLE. 1. I'.iiiiKli with inattirp loaves and two frect ! i. A seed, sliylitly eiila!â¢>.'«'''. , ⢠, j ratM'tncs of flowers, x J. I "'â Wiiitt-r twiy: witli stalUtd ImhIs. Iciilir.'ls aud li I'.rainli with a mature leaf and a racem*' >>f with liiuMllf-scars x ?.. fruit, X i. 'â â of a wiiittT twJg, enlarged. 3. A maple key with exposed seeds, x |. 193 MOUNTAIN MAPLE. Acer spicatum, Lambert. FORMâA shrub or Bmall tree sometimes attaining heiglit of 35 ft. with a diameter of 11 inches. Usually a shiub growing In clumps on rocky soil. Trunk usually short and bears rather straight, slender and upright branches. BAEKâThin, rather smooth, brown or grayish-brown mottled with dingy-gray blotches. TWIGSâSlightly hairy, at first reddish-puvple 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 8 dark rings formed by the scars of fallen bud-scales. BUDSâOpposite, short-stalked, rather small, about | of an inch long including stalk; terminal bud 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^Opposlte, 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-SCAESâOpposite, V-shaped, hollow, with 3 bundle-scars, and nearly encircle stem. FLC^ERSâAppear about June after the leaves are full grown, in erect terminal racemes. Staminate flowers occur usually at the top and the pistillate at the base of the raceme. FRUITâMatures in September in drooping racemes; wings of the keys somewhat divergent, about i of an inch long, the seed-bearing part strongly striated. WOODâDiffuse-porous; soft, close-grain
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectforests, bookyear1901
