occurs along the lower Rio Grande Valley, is said to be almost extinct. It is a small tree, sometimes 20 feet tall and 6 to 8 inches in diameter, noted for its large velvety leaves (4 to 5 inches long and 3 to 4 inches wide), clusters of yellow and white flowers and delicate ivory-white coated [fruit]. The [bark] is thin, gray, tinged with red.
ANAQUA
(Ehretia anacua [Mier and Berland.] Johnst.)
also called knackaway, anama, and yara, occurs in West Texas from the upper San Marcos River to the Rio Grande River. It is a tree of the tropics and of about 40 species in its family, is the only one found in the United States, and here only in Texas. It is valued as a shade tree in some communities of South Texas and is noted for its growth and beauty. Occasionally it grows to a height of 40 to 50 feet with a trunk 3 feet in diameter, attaining its largest size on the Guadalupe and Nueces Rivers. Anaqua has slender branchlets, without [terminal] buds, and leathery, very rough leaves which are almost evergreen. It [blooms] with white flowers in March and April and has large groups of edible red berries in June and July. The wood is heavy, close-grained, light brown and of little value.
TEXAS MADRONE
(Arbutus texana Buckl.)
also called Texas Madroño is a small poorly shaped tree found on dry limestone hills, and in the valley of the Rio Blanco, and among the Eagle Mountains. The trunk is seldom over one foot in diameter and is usually divided into several branches near the ground. The leaves are [oval] to [oblong] and [persistent] until the new leaves are formed. The [bark] of young stems and branches is smooth, thin, and yellowish-green in color tinged with red. At the base of old trunks the bark, sometimes ¼ inch thick, is dark reddish-brown in color.
AUSTRIAN PINE
(Pinus nigra Arnold)
is similar in appearance to red pine (P. resinosa Ait.) but needles are more rigid. [Bark] is black to dark brown and the cones are 1½ to 2 inches long. The tree is a native of central and southern Europe and Asia Minor. It has been planted extensively in the U. S. as an ornamental but is apparently not yet naturalized. It is planted in Texas in windbreak plantings.
RUSSIAN-OLIVE
(Elaeagnus angustifolia L.)
is a small tree, not more than 25 feet tall, usually with thorny branches. Leaves are [simple], [alternate], narrow and 2 to 3 inches long, bright green on the upper surface and silvery underneath. It is a native of Europe and Asia and is used as an ornamental and in windbreak plantings in the United States.