Stránka:book 1922.djvu/422

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392 The Book of Woodcraft Rock Chestnut Oak. {Quercus prinus) A good sized tree; up to loo feet high. Wood as usual. A cubic foot weighs 47 lbs. Its acorns are immense, ij to i§ inches long, and ripen in one season. Leaves 5 to 10 inches long.