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The White Fir a

THE WHITE FIR.

A. concolor, Lindl. and Gord.

This white fir is a giant of the Sierras, but a tree of medium height in the Rocky Mountains. Its leaves are often two to three inches long, very unusual for a fir tree, curving to an erect position, pale blue or silvery at first, becoming dull green at the end of two or three years.

On the California Sierras, this silver fir tree lifts its narrow spire two hundred and fifty feet toward the sky and waves great frondlike masses of foliage on pale gray branches. As a much smaller tree, it is found in the arid

regions of the Great Basin and of southern New Mexico and Arizona, territory which no other fir tree invades. In gardens of Europe and of our Eastern states this is a favorite fir tree, often known as the "blue fir" and the "silver fir" from its pale bark and foliage, whose blue cast is not always permanent. Eastern nur series obtain their best trees from seeds gathered in the Rocky Mountains.

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