. Bulletin (Pennsylvania Department of Forestry), no. 11. Forests and forestry. PLATE LVI. POST OAK 1. 2. 'A. 4. '(. <i. 7. acorns, x J. (^) stllMlillMtJ' blossoms, (|i) i)istinntr lilossoiiis, x Branch -NvitU niatun' leavos and iiiatun- FloweriMK liranch with iniinatuiv loaves, All aourn cup, x i. i'm"rsu;fa"'"iiew'of "^niturc leaf the dense star-shape,! ,; x J. Winter tiraneli covered with a dense rusty pub«'s<en<e x A. i.,...rfi<. «ciirs Section of "vinter hran<h sh<.winK slinhtly bi,ark, natural size. 139 leu- PO
. Bulletin (Pennsylvania Department of Forestry), no. 11. Forests and forestry. PLATE LVI. POST OAK 1. 2. 'A. 4. '(. <i. 7. acorns, x J. (^) stllMlillMtJ' blossoms, (|i) i)istinntr lilossoiiis, x Branch -NvitU niatun' leavos and iiiatun- FloweriMK liranch with iniinatuiv loaves, All aourn cup, x i. i'm"rsu;fa"'"iiew'of "^niturc leaf the dense star-shape,! ,; x J. Winter tiraneli covered with a dense rusty pub«'s<en<e x A. i.,...rfi<. «ciirs Section of "vinter hran<h sh<.winK slinhtly bi,ark, natural size. 139 leu- POST OAK Quercus stellata, Wangenheim FORM—A medlum-Rized tree usually attaining height of 60-60 ft. but may reach a maximum height of 90 ft., with a diameter of 4 feet. In the open it forms a dense, broad, deep, round- topped crown with atout and spreading branches. Toward its northern limit it is a large shrub. BABX—On trunks somewhat similar to that of White Oak only darker and often rougher and less scaly. On young branches It Is often covered with loose, dark scales. TWIGS—Stout, covered with yellowish rusty pubescence, at first light orange in color, later dark brown. Season's growth stands in strong contrast with later growth on account of much lighter color. Pubescence soon turns dark and finally disappears. BUDS—^Alternate, broadly ovate, about i of an Inch long, sometimes as broad as long, blunt- lointed, covered with numerous overlapping, reddish-brown, slightly pubescent scales. LEAVES—Alternate, simple, obovate In outline, 4-7 Inches long, 3-5 inches wide, thick, leathery, generally 6-lobed; the middle pair of lobes is the largest and is separated by deep sinuses; upper surface is bright green, shiny; lower surface is paler and coated with rusty pubescence. LEAF-SCABS—See "Leaf-Scars" under White Oak, page 138. FLOWEBS—Appear about May. Staminate borne in slender amenta 4-6 inches long. Pistillate are sessile or short-stalked, woolly stigmas
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