. Bulletin (Pennsylvania Department of Forestry), no. 11. Forests and forestry. 222 RED ASH Fraxinus pennsylvanica, Marshall TORiU-JTree of middle or lar^ size, uiually attaining a height of 30^ ft. with a diameter of IS ft., bnt may reach a height of 70 ft. with a diameter of 6 feet Trunk â imilar to that of White Aah, but smaller and bearing nunkeroui upright branches whleh form a rather irregular and compact crown. BARKâGrayish-brown, roughened by numerous flggnres aeparating prominent ridges which in time become scaly. Fissures usually diamond-shaped. Ridges often sub-divided by transverse
. Bulletin (Pennsylvania Department of Forestry), no. 11. Forests and forestry. 222 RED ASH Fraxinus pennsylvanica, Marshall TORiU-JTree of middle or lar^ size, uiually attaining a height of 30^ ft. with a diameter of IS ft., bnt may reach a height of 70 ft. with a diameter of 6 feet Trunk â imilar to that of White Aah, but smaller and bearing nunkeroui upright branches whleh form a rather irregular and compact crown. BARKâGrayish-brown, roughened by numerous flggnres aeparating prominent ridges which in time become scaly. Fissures usually diamond-shaped. Ridges often sub-divided by transverse secondary Assures. TWIGSâSlndlar to those of the White Ash but not so stout and covered with a dense velvety pubescence, or sometimes almost smooth. See "Twigs" under White Ash, page 220. BTJDfiâOpposite; terminal bud present; ovate, brown, covered by brownish scales, 2 pairs of which are usually visible. Scales of the lateral buds usually have an obtuse ajxix while those of the terminal buds have a more acute npex. Sec "Buds" under White Ash, page 220. LEAVESâOpposite, compound, about 11 inches long, with 6-9 stalked leaflets. Leaflets ftom 3-5 Inches long, 1-1} inches wide, ovate, acute at apex, slightly toothed on margin, wedge- shaped at base. At first coated on the lower trurface with white tomentumi, later becoming yellowish-green above, and decidedly velvety-pubescent beneath. LEAF-SCABSâOpposite, semi-circhlar in outline, conspicuous, tdightly notched on the upper margin, bundle-scars nunwrous, usually nnall, and arranged in a curved line. Sometimes a number of bundle-scars unite to form a compound bmidle-scar. FLOWERSâAppear about May before or with the leaves. Staminate and pistillate are usually borne on different trees. Staminate occur in dense purplish-red clusters; pistillate in open greenish-red panicles. FRUITâA samara, borne in open panicles which often persist far Into winter. The individual samara varies in length from 1-2 Inches,
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