PIN OAK (Quercus palustris, Linn.) 50 to 120 feet high. Graceful, pyramidal tree, becoming irregular, with slender, horizontal branches, and abundant spur-like twigs, — the "pins" in this oak's name. Buds small, pointed. Bark gray brown, scaly; twigs red, fuzzy. Wood hard, tough, heavy, brown, coarse-grained. Leaves 4 to 5 inches long, deeply 5- to 7-lobed, with wide, deep sinuses, shining above, dull and paler beneath, turning red in autumn; petioles flexible. Flowers
May, on new shoots: staminate in clustered catkins; pistillate paired, on short stalks. Acorns streaked, shorter than broad, in saucers of close, red scales; kernel white, bitter, mature second autumn. Dist.: Low, moist soil, Massachusetts to Delaware;.west to Wisconsin and Arkansas.