THE ARBOR VITAES.
Minute, scale-like leaves, four-ranked, closely over lapping, so as to conceal the wiry twig, mark the genus thuya, which is represented in America by two species of slender, pyramidal evergreen trees, whose intricately branched limbs terminate in a flat, open spray (see illus tration, page 262). "Tree of Life" is the English transla tion, but the Latin name everywhere is heard.