OF ORNAMENTAL TREES. 201 



scaly. Acorn roundish-ovoid, small. Black- 

 jack. 



A very useful small tree, thriving in the 

 most thin and barren soils, and giving, by 

 its large shining leaves, a gay appearance. 

 In deep rich loams it grows beautifully, and 

 will reach fifty feet high. The Bartram 

 specimen in dry gravel is about thirty feet 

 high. 



13. Q. OBTUSILOBA, Michaux. Leaves obo- 

 vate-oblong, wedge-shaped at the base, irregu- 

 larly sinuate, lobed, the upper lobe dilated, 

 retuse. Cup hemispherical, scaly, nut ellip- 

 tic-ovoid. Post-oak. Barren white-oak. 



This is a singular looking tree, having but 

 few branches, and these very long, forming 

 a very meagre looking round head. The 

 branchlets are so small as to appear stunted, 

 while the leaves are rather above the average 

 size. It thrives best in a dry situation. The 

 best Bartram specimen is thirty feet high by 

 forty two inches in circumference. 



14. Q. OLIV^FORMIS, Michaux. Leaves 

 oblong, glabrous, glaucous on the under side, 

 deeply and unequally sinuate pinnatifid. 

 Fruit elliptic ovate, cup hollowed out, bristly 



