. 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. Fig. 527. — Doctor's Club. seed black, shining and punctate. The wood is hard, close-grained, grayish yellow and heavy. II. BARETTA GENUS TULASNE Species Helietta parvifloia Bentham SMOOTH evergreen shrub occurring on the bluflfs about Rio Grande, Texas, and southward into Mexico, where it becomes a tree 8 meters high, with a trunk diameter of dm. It is perhaps never more than a shrub in Texas. The trunk is
. 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. Fig. 527. — Doctor's Club. seed black, shining and punctate. The wood is hard, close-grained, grayish yellow and heavy. II. BARETTA GENUS TULASNE Species Helietta parvifloia Bentham SMOOTH evergreen shrub occurring on the bluflfs about Rio Grande, Texas, and southward into Mexico, where it becomes a tree 8 meters high, with a trunk diameter of dm. It is perhaps never more than a shrub in Texas. The trunk is erect and slen- der, its branches also erect, or nearly so. The bark is 3 mm. thick, dark brown, scaly, the inner bark yellowish. The twigs are round, slightly hairy, becom- ing smooth, brown, the small leaf scars roundish. The leaves are opposite, trifoliolate, the 3 leaflets sessile on the grooved leaf-stalk; the leaflets are leath- ery, spatulate to obovate or ob- long, I to 4 cm. long, blunt or notched at the apex, tapering to the sessile base, usually entire, the terminal one usually largest; they are yellowish green and shin-. FiG. 528. — Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Britton, Nathaniel Lord, 1859-1934; Shafer, John Adolph. New York : H. Holt and Co.
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