. 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. 2. DOG HACKBERRY — Oeltis canina Rafinesque This tree has a range similar to that of the preceding species, but, as it has not been closely studied, the hmits of its geographic distri- bution are as yet undetermined. It is known to occur from New York to Illinois and South Dakota, southward to Pennsylvania and Missouri, preferring rich soil, grow- ing in fields and meadows, and at- tains much greater dimensions than the r


. 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. 2. DOG HACKBERRY — Oeltis canina Rafinesque This tree has a range similar to that of the preceding species, but, as it has not been closely studied, the hmits of its geographic distri- bution are as yet undetermined. It is known to occur from New York to Illinois and South Dakota, southward to Pennsylvania and Missouri, preferring rich soil, grow- ing in fields and meadows, and at- tains much greater dimensions than the rock-loving species, being some- times at least 30 meters in height. The young twigs are green and either smooth or hairy. The leaves are ovate-lanceolate or broadly lan- ceolate, light green, often 12 cm. long (8 to 16 cm.), coarsely toothed, thin and drawn out into long slen- ^'g. 312. —Dog Hackberry. der tips; the upper surface is smooth, except when young, and the rather pale under side is hairy, at least along the veins; the slender leaf-stalks are 2 cm. long or less, and about one half as long as the stalk of the fruit. The fruit is oblong, about one half longer than thick, purple, about I cm. long. 3. ROUGH-LEAVED HACK- BERRY— Celtis crassifolia Lamarck This is the largest and most elegant species of the genus, sometimes attaining a height of 40 meters and a trunk diame- ter of nearly i meter. It prefers rich soil and reaches its greatest development in river valleys, though it sometimes grows in dry or even rocky situations, when it is small, or even shrub-like. It ranges from Massachusetts (according to Emerson), New Jersey, Pennsylvania to South Caro- lina, westward to Indiana, South Dakota, Tennessee, Kansas, and Colorado. When well developed the trunk is tall and straight, often without branches for. Fig. 313. — Rough-leaved Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability -


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