ANGIOSPERM TREES 291 



Atlantic and Gulf coastal plains, the other four range widely over 

 the eastern and northeastern United States. The only western 

 white oak of outstanding importance is the Oregon white oak 

 which is a medium sized tree found in the Pacific coast region 

 from British Columbia to California. Several relatively unimpor- 

 tant species of live oaks belonging in the white oak group are 

 found in the southwest. 



The RED OAK GROUP (fig. 208) contains those trees whose 

 leaves are bristle- tipped, and whose woods are dark brown or 



Fig. 208. — The red oak group of trees includes black (A) and willow (B) oaks. 



reddish brown in color. The eastern members of this group are 

 divided into the "red oaks" and the "willow oaks." Though 

 ranging throughout the eastern United States, the red oaks are 

 probably best developed in the south where one commonly finds 

 the large sized Shumard red, southern red, and cherry bark 

 OAKS. More generally distributed are the medium sized northern 

 red, scarlet, pin and Nuttall oaks, and the large black oak. 

 The "willow oaks" have smaller leaves which resemble some- 

 what those of the willow. They are mostly medium sized trees, 

 although one, the willow^ oak, attains a large size on favorable 

 soils in certain parts of its range. The laurel oak is semi-ever- 

 green, retaining its leaves during the winter but dropping them 



