. 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. 220 The Walnuts are to 4 dm. long, including the slender pale hairy leaf-stalk, composed of 13 to 23 usually short-stalked leaflets; these are lanceolate, curved, tapering to an elongated apex, oblique, rounded or tapering at the base, sharply toothed on the margin, the central pairs about one third longer than the others; they are reddish tinged and hairy when unfolding, becom- ing yellowish green and smooth above, s
. 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. 220 The Walnuts are to 4 dm. long, including the slender pale hairy leaf-stalk, composed of 13 to 23 usually short-stalked leaflets; these are lanceolate, curved, tapering to an elongated apex, oblique, rounded or tapering at the base, sharply toothed on the margin, the central pairs about one third longer than the others; they are reddish tinged and hairy when unfolding, becom- ing yellowish green and smooth above, sometimes hairy beneath, especially along the stout midrib. The staminate catkins are rather slender, nearly smooth, 5 to 10 cm. long, their bracts ovate-lanceolate, sharp-pointed, nearly smooth; perianth 3- to 5-lobed, nearly orbicular, light yel- low-green, smooth or nearly so, short- stalked ; stamens about 20, nearly sessile, their anthers dark. Pistillate inflores- cence a terminal spike, the flowers nar- rowed at base and apex, finely hair}', about 3 mm. long; stigmas 8 mm. long, spreading, tinged with red. The fruit is globose, about 18 mm. in diameter, its husk finely hairy; nut globose, usually flattened at the base, dark brown, ridged with deep, seldom forking grooves, 4-celled at the base, 2-celled above, its walls very thick and compact; seeds small and sweet. The wood is hard, weak, close-grained, dark brown; its specific gravity is about It is not of economic importance. This interesting little walnut has been grown in parks and gardens, and is hardy as far north as Fig. 179. — Texan Walnut. 4. CALIFORNIA WALNUT — Jnglans californica S. Watson This walnut occurs along river valleys and stream banks in western California, extending from Los Angeles county northward to Napa county. It is a very beautiful tree, attaining a height of 18 meters, with a trunk diameter of meter; sometimes, however, it is reduced to a shrub. The branches are s
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