84 



PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 



The extent to which this tree is cut for barrel-staves aud clapboards 

 Las afiorded the opportunity of taking several measurements, which are 

 herewith appended: 



Eemarks. — a, trunk 3 feet in diameter at upper end; at 120 feet 

 branches 1 foot thick; h. circumference at ground, 3G feet; i. circum- 

 ference at ground, 28 feet; j, diameter at ground, 11 feet; /c, diameter 

 across stump, over spurs, C feet; through upper end of trunk, 3 feet; /, 

 181 annual rings to central hollow, 15 inches across; n, 242 annual 

 rings. 



75. (235.) Quercus steUata. Post Oak. 



A very common tree in clay soils. No measurements have been taken, 

 but the usual size of the heavier growth is about 50 to 80 feet high, and 

 2 to 3 feet in diameter. Larger trees, however, no doubt occur. 



76. (236.) Quercus tinctoria. Black Oak. 



A very common, large tree, chiefly in upland woods. Frequently 100 

 feet or more in height, and 3 feet in diameter. It is occasionally larger, 

 however, as may be seen from the annexed measurements. 



Knox County, Indiana , 



Posey County, Indiana , 



"do 



do 



do 



do 



Wabash County, Illinois (?) 



R.R. 



Thomas J. Johnson. 



Do. 



Do. 



Do. 



Do. 

 Dr. J. Schneck. 



Eemauks. — a, 179 annual rings. 



Flowers April 17th to 20th, and begins to leaf about a week later. 



77. (212.) Casfanea vulgaris americana. American Chestnut. 



The chestnut does not properly belong to the district under consider- 

 ation, but in Indiana extends westward very nearly to the junction of 

 the two forks of White River, having been noticed from the raik'oad, 



