FOREST-TREES OF THE UNITED STATES. 25 
mon in Michigan, [linois, Wisconsin, and Minnesota. It is a large tree, 
and when growing on low ground assumes a rounded and handsome 
form. Ithas very large acorns, which are usually deeply immersed in 
the cup; the border of the cup fringed with loose scales The wood is 
open and brittle as it occurs in the prairie country, but valuable for 
fuel. 5; 
No. 266. Quercus alba, L.—W hite Oak.—Eastern United States. This 
is one of the noblest, largest, and most useful oaks of this country. 
The wood is strong, compact, and durable, and is only second to that of 
the Live Oak. It is extensively employed in ship-building, in manu- 
facturing, and for many purposes. 
No. 267. Quercus lyrata, Walt.—Southern Overcup Oak.—Southern 
States. This much resembles the Bur Oak, but is chiefly confined to _ 
the Southern States. 
No. 268. Quercus stellata, Wang.—Post Oak.— "astern United States. 
This species grows mostly upon poor clay lands. It is a middle-sized 
tree; the wood is yellowish, strong, fine-grained, and more durable than 
the White Oak. 
No. 269. Quercus bicolor, Willd.—Swamp White Oak.—Eastern United 
States. 
No. 270. Quercus Michauxti, Nutt.— Michaux’s Oak.—Southeastern 
United States. 
No. 271. Quercus Prinus, L.—Chestnut Oak.—Eastern United States. 
Of this species there are several varieties. Itis usually a large and lofty 
tree. Its timber is inferior to that of the White Oak in strength, but is 
still very valuable for many uses. 
No. 272. Quercus Prinus, L., var. monticola, Michx.—Rock Chestnut 
Oak.—New England and Middle States. 
No. 273. Quercus Prinus, L., var. acuminata, Michx.—Yellow Chestnut 
Oak.—Northern and Western States. 
No. 274. Quercus Douglasti, Hook. & Am.—Douglas’s Oak.—Rocky 
Mountains and California. This and the next two succeeding species 
are the California White Oaks, extending into Oregon and Columbia. 
They are probably of equal value with the eastern species. 
No. 275. Quercus Garryana, Hook.—Garry’s Oak.—California and 
Oregon. 
No. 276. Quercus lobata, Nées.—California White Oak.—California. 
No. 277. Quercus undulata, Torr.— Rocky Mountain Oak.— Rocky 
Mountains. This is the common oak of the Rocky Mountains, usually 
small and scrubby, but sometimes forming a moderate sized tree. It is 
very. variable in the foliage. 
No. 278. Quercus densiflora, Hook. & Am.—California Tau-bark Oak.— 
California. This is an anomalous species of California, between an oak 
and a chestnut. In open ground, it is a beautiful, spreading, pyramidal 
tree, with a trunk sometimes 5 to 6 feet in diameter. Among the forest- 
trees, it rises to 100 feet or more in height. 
No. 279. Quercus agrifolia, Nées.—California Field Oak.—California. 
This is commonly known in California as Evergreen Oak. It grows 
usually in open grounds, with a wide, spreading, apple-tree-like top. It 
is usually a small tree, sometimes a mere shrub, and occasionally be- 
coming 40 or 50 feet high. 
No. 280. Quercus chrysolepis, Liebm.—Cation Live Oak.—California. 
An evergreen oak, growing in rocky caiions and on mountain-sides. It 
is Sometimes shrubby; sometimes like the last, becoming 40 or 50 feet 
high. It furnishes thé hardest oak-wood of the Pacific coast, and is 
used in making ox-bows, ax-handles, &c. 
