. 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. 650 The Maples yellow flowers appear with the leaves, or a few days before them, in clusters at and near the ends of twigs of the preceding season; they are long-stalked and drooping, the tree being conspicuous when in bloom; the staminate and pistillate flowers are in separate clusters; the pedicels and 5-lobed calyx are provided with long hairs; there are no petals; the staminate flowers have about 7 stamens twice as lo
. 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. 650 The Maples yellow flowers appear with the leaves, or a few days before them, in clusters at and near the ends of twigs of the preceding season; they are long-stalked and drooping, the tree being conspicuous when in bloom; the staminate and pistillate flowers are in separate clusters; the pedicels and 5-lobed calyx are provided with long hairs; there are no petals; the staminate flowers have about 7 stamens twice as long as the calyx; in the pistillate flowers the stamens are only about as long as the calyx and the ovary is slightly hairy. The samaras vary from 3 to 4 cm. in length, the seed-bearing part about i cm. long and strongly reticulated, the parallel or sUghtly divergent wings cm. wide or less. This tree and the closely related Black, maple are the principal sources of maple sugar. The wood has a specific gravity of about , is light reddish brown, and more valuable than that of any other maple, being used in large amounts for furniture, flooring, decorative work, tool-handles, shoe-pegs, and in ship-building; birdseye and curled maple, so much prized for cabinet work, are this wood with an irregular or twisted grain. The tree is of rather slow growth, but otherwise very desirable for road and park planting. Its foliage turns from yellow to orange or scarlet in the early autumn and is a striking feature of the forests at that time of year. Rugel's maple (Acer Rugelii Pax) is a form of the Sugar maple with small leaves, the lobes of Which are usually without teeth; it occurs from Georgia and North Carolina through Tennessee to Missouri, and locally further north; it does not seem to be a distinct species. The Norway Maple, Acer platanoides Linnaeus, a tree of northern Europe, much planted as a favorite shade tree and attaining a height of 30 meteis is occasionally spontaneous
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