. Reports of explorations and surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean . de Silcha, p. 46. Description.—A tree of moderate size ; branches sub-erect, tetragonal; leaves ovate acuminate,imbricate in four rows without tubercles ; galbules as large as peas, or larger, terminatingthe smaller branches ; scales umbonate, srrootli, or radiately striate. The only locality in which we met with this tree was on the Cascade Mountain, about latitude44° north, though I have reason to believe that it will be fouud at inter
. Reports of explorations and surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean . de Silcha, p. 46. Description.—A tree of moderate size ; branches sub-erect, tetragonal; leaves ovate acuminate,imbricate in four rows without tubercles ; galbules as large as peas, or larger, terminatingthe smaller branches ; scales umbonate, srrootli, or radiately striate. The only locality in which we met with this tree was on the Cascade Mountain, about latitude44° north, though I have reason to believe that it will be fouud at intervals throughout theSierra Nevada and the Cascades, in California and Oregon. BOTANY. 63 The individuals which we saw of the species were not handsome. They formed trees ofmoderate size, having much the appearance of Thuja occidenlalis when growing under the mostunfavorable circumstances. The trunk was gnarled and twisted, and set with dead branches;the foliage sparse and ragged, and the whole aspect disagreeable. The galbules, which werenumerous, were something larger than a pea, acd composed of four scales ; from the centre ofeach a point Fig. 28. Branch and galbules of C. Kulhatensis, natural size. The locality where we found this tree was near the snow line, and it is possible that it wasdwarled and. deformed by the severities of the climate. It is found on the low lands near thecoast and on Vancouvers island. Cupressus Lawsoniana, described by Mr. Murray, ( Philos. Jour., 1Sj5,) is closely allied to this species, but differs from it in having six scales Libocedkus decurrens. The California white cedar. L. decurrens, Torrey in Smithsonian Contrib. 6, p. 7, t. 3. This tree is very extensively distributed over California and southern Oregon, where it isfound in nearly all parts of the mountains of the interior. We found it more abundant andattaining the greatest size at McCumbers, in northern California. It there rivals even the sugarpine in dia
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