FOREST-TREES OF THE UNITED STATES. 25 



mon in Michigan, Illinois, Wisconsin, and Minnesota. It is a large tree, 

 and when growing on low ground assumes a rounded and handsome 

 form. It has 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. 



No. 266. Quercus alba, L. White 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. Eastern United States. 

 This species grows mostly upon poor clay lands. It is a middle-sized 

 tree ; the wood is yellowish, strong, tine-grained, and more durable than 

 the White Oak. 



No. 269. Quercus bicolor, Willd. Swamp White Oak. Eastern United 

 States. 



No. 270. Quercus Michauxii, Nutt. Michatix's Oak. Southeastern 

 United States. 



No. 271. Quercus Prinus, L. Chestnut Oak. Eastern United States. 

 Of this species there are several varieties. It is 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 Pr-inus, L., var. monticola, Michx. Rock Chestnut 

 Oak. New England and Middle States. 



No. 273. Quercus Primus, L., var. acuminata, Michx. Yellow Chestnut 

 Oak. Northern and Western States. 



No. 274. Quercus Douglasii, 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, Nees. California W T hite 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 Tan-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, Nees. 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. Canon Live Oak. California. 

 An evergreen oak, growing in rocky canons and on mountain-sides. It 

 is sometimes shrubby ; sometimes like the last, becoming 40 or 50 feet 

 high. It furnishes the hardest oak-wood of the Pacific coast, and is 

 used in making ox-bows, ax-handles, &c. 



