. North American trees : being descriptions and illustrations of the trees growing independently of cultivation in North America, north of Mexico and the West Indies . Trees. Water Oak 299 lowish before falling; their leaf-stalks are stout, grooved, 5 to 10 mm. long, smooth or hairy, yellowish. The flowers appear from March to May, according to lati- tude, when the leaves are half unfolded, the staminate in clustered hairy catkins 5 to 10 cm. long, their calyx reddish and hairy, the 4 or 5 lobes ovate and rounded; stamens usually 4, slightly exserted; anthers oblong, sharp-pointed, red. The pi
. North American trees : being descriptions and illustrations of the trees growing independently of cultivation in North America, north of Mexico and the West Indies . Trees. Water Oak 299 lowish before falling; their leaf-stalks are stout, grooved, 5 to 10 mm. long, smooth or hairy, yellowish. The flowers appear from March to May, according to lati- tude, when the leaves are half unfolded, the staminate in clustered hairy catkins 5 to 10 cm. long, their calyx reddish and hairy, the 4 or 5 lobes ovate and rounded; stamens usually 4, slightly exserted; anthers oblong, sharp-pointed, red. The pis- tillate flowers are on short hairy stalks, their involucral scales brown-woolly, about equaling the length of the sharp-pointed calyx-lobes; styles short, broad, sUghtly reflexed and red. The fruit, ripening in the autumn of the second year, is soli- tary, or 2 together, short-stalked; nut subglobose or ovoid, i to 2 cm. long, light brown, more or less woolly coated inside; cup depressed hemispheric, constricted at the base, 12 to 20 mm. across, light brown on the iimer surface, embracing about one half of the nut and covered by large scales, the smaller upper scales forming a loose rim around the top of the cup. The wood is hard and strong, coarse-grained and dark brown; its specific gravity is about It checks badly and is seldom used except for fuel and the production of charcoal. This is a handsome tree and will add pleasing variety to any landscape into which it may be introduced, though it is of very slow growth. Several supposed hybrids are recorded, Britton's Oak, Q. Brittoni Davis, of Staten island. New York, is considered a cross with the Bear oak, Q. ilicijolia. A cross with the Black oak, Q. velutina Lamarck, from the Indian Territory, has also been reported. It is also called Black Jack, Barren oak. Barrens oak. Iron oak. Jack oak, and Scrub oak. 16. WATER OAK —Quercus nigra Linnaeus Quercus aquatica Walter A tree of wet sandy soils, by streams or swamps,
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