LXX. CORYLA'CE^E : QUE'RCUS. 



865 



1573. Q. obtusflcba. 



its upper edge with fine, long, flexible filaments. The bark of the young 

 branches is frequently covered with a yellowish corky substance, like that 

 which is found on the liquidambar and some kinds of elm. 



X 11. Q. OBTUSI'LOBA Michx. The bhint-\obed-leaved, or Post, Oak. 



Identification. Michx. Quer., No. 1. t. 1. ; Pursh, 2. p. 632. ; Michx. Arb. Am., 2. p. 36. 

 Synonymes. Q. stellata Willd, Sp. PI. 4. p. 452. ; Iron Oak, Box white Oak, American Turkey 



Oak (so called, because the acorns, which are sweet, are eaten by the wild turkeys), upland white 



Oak, Amer. 

 Engravings. Michx. Quer., No. 1. t. 1.; N. Amer. Syl., 1. t. 9. ; the plate of this tree in Arb. 



Brit., 1st. edit., vol. vii. ; and our fig. 1573. 



Spec. Char.,fyc. Leaves oblong, slightly pubescent beneath, sharply wedge- 

 shaped at the base : lobes obtuse, the lower ones deeply sinuated, and the 

 upper ones dilated, and slightly 

 bilobed. Calyx hemispherical. 

 Fruit oval, and rather small 

 (Michx.) A deciduous tree. New 

 Jersey and Philadelphia. Height 

 40 ft., with a trunk not more 

 than 15 in. in diameter. In- 

 troduced in 1819. 



The branches are bent into el- 

 bows at certain distances, which 

 renders the tree easily distinguish- 

 able, even when the leaves have 

 fallen. The bark is thin, and of a 

 greyish white. The leaves are 

 coriaceous, and of a dusky green 

 above, and greyish beneath. In 

 autumn, the ribs assume a rosy 

 tint, but never that purplish red 

 which is observable in those of the 

 scarlet oak. The acorns (fig. 1566. c), which are produced in abundance, 

 are small, oval, and three parts covered with a slightly rugged greyish cup. 



t 12. Q. LYRA'TA Walt. The lyrate, or over-cup y Oak. 



Identification. Walt. Carol., 235. ; Pursh, 2. p. 632. ; Michx. Quer., No. 3. t. 4, 

 Synonymes. Swamp Post Oak, Water white Oak, Amer. 

 Engravings. Michx. Quer., No. 3. t. 4. ; and our figs. 1574. and 1575. 



Spec. Ckar. y $c. Leaves subsessile, glabrous, lyrately sinuated; much con- 

 tracted in the middle, but dilated at the summit, and attenuated at the 

 base : lobes angular ; the upper part of the leaf divided into three lobes, 

 which are tricuspidate at their extremities. Calyx globula , rough, and 

 almost covering the acorn. (Michx.) A large deciduous tree. Carolina 

 and other southern states. Height 50ft. to 

 80 ft. Introd. 1786. 



The leaves are from 6 in. to 8 in. long, 

 smooth, narrow, lyre-shaped, deeply sinuated, 

 and borne on short 

 petioles. The lobes, 

 especially the upper 

 ones, are somewhat 

 truncated. The fo- 

 liage is thick, and 

 of a light agreeable 

 tint ; and the bark 

 is white. The acorns 

 are broad, round, 

 and depressed ; and 

 the cups, which are 

 nearly closed over 

 3 K 



1574. Q. lyrata. 



1575. Q. lyriila. 



