10 CONSERVATIVE LUMBERING AT SEWANEE, TENN. 



slopes are shorter, poorer in quality, and more apt to be dot}-. The 

 cove forest as a whole has reached its prime and needs cutting. The 

 older trees have begun to decay and die. 



REASONS FOR THE DISTRIBUTION OF THE TREES. 



The distribution of the trees at Sewanee, both on the plateau and in 

 the coves, depends upon the quality of the soil, the soil moisture, and 

 the degree of shade. 



IXFLUEXCE OF SOIL,. 



A comparison of plateau trees with core trees brings out clearly the 

 influence of the quality of the soil. On the plateau, where the soil is 

 poor, the Black Walnut, White Ash, Bittemut, Cucumber-tree, White 

 Elm. White Basswood, and Shagbark of the coves do not grow. 



The following list shows the relative soil requirements of the trees 

 at Sewanee. beginning with those that require the best soil. Trees listed 

 on the same line grow in about the same grade of soil: 



Hornbeam, Papaw. 



Butternut, Black Cherry, Black Walnut. 



Slippery Elm, Yellow-wood. 



White Ash. 



Bitternut, Umbrella-tree. 



Cucumber-tree, "White Elm, White Basswood, Beech. 



Red Oak, Cow Oak, Swamp White Oak. 



Shagbark, Blue Dogwood, Persimmon. 



Sycamore, Poison Sumach, Ailanthus. 



Tulip-tree, Sassafras, Sugar Maple, Red Juniper. 



Yellow Buckeye, Redbud, Fringetree, Sweetleaf. 



Red Maple, [Flowering] Dogwood, Black Willow, Serviceberry. 



Sweet' Gum, White Oak, Post Oak. 



Scarlet Haw, Scarlet Oak. 



Witch Hazel, Locust, Dwarf Sumach. 



Pignut, Yellow Oak, Black Gum. 



Wing Elm, Cork Elm, Mountain Laurel. 



Chinquapin Oak, Chestnut Oak, Black Jack, Sourwood. 



Chestnut. 



IXFLUEXCE OF SOIL MOISTURE. 



While some trees require that the soil be fertile, the chief require- 

 ment of others is for soil moisture. In the following" table the trees 

 are arranged in the order of their moisture requirement: 



Black Willow, Sweet Gum. 



Papaw, Cow Oak, Swamp White Oak. 



Poison Sumach, Sycamore, Serviceberry. 



Red Maple, Hornbeam, Bitternut. 



Umbrella-tree, Slippery Elm, Cucumber-tree. 



Butternut, White Elm, Black Cherry, White Ash, Beech. 



Witch Hazel, Fringetree, Ailanthus. 



White Basswood, Black Walnut, Tulip-tree. 



