308 WEEDS AND USEFUL PLANTS. 
1, @ macrocar’pa, Mz. Leaves deeply a and 
sonnei Tyrael sinuate-lobed, the lobes ob- 
tuse, sparingly and obtusely : 
very large ; cup hemispherical iy Ni above 
with hard and Hie pot ted scales upper: 
of which aes nu gory ce than 
f imm in 
poser Bur-oak. Over- 
p Oak. platen White Oak. 
rs 60 feet high. Leaves obovate in outline, 6-12 
mches or more in stoma the smaller ones entire. “Acorns 
1 14% inch wri = etimes entire ely enclosed in the con- 
re- 
quire stiff and durable wood. As a fuel it 
takes rank with the White Oak. A variety with 
er and more ceapry lobed leaves and oblong fruit is the Quercus 
olfvector’ mis of Michaux 
2. hethns obtusi'loba, Mz. Leaves jee * 
bescent beneath, obovate-oblong, — 
base, irr irregularly sinuate-lobed, the oes 
lobes larger and often 1— 3-notched ; acorn 
roundish Bold: rat. Pail. 2 
OxstusE-LoBep Quercus. Barrens White Oak. 
Post Oak. Rough Oak. 
Stem 20-40 igh ; branches requ 
ee: dense ly bas hs ry when young. Leaves 4 6 
i 
raced by the scaly Sadbispherionl cup, which is 
o one fruit often in small clusters on a common pe: 
uncie. 
Dry sterile hills. Massachusetts, west and south. 
Obs. This tree seems to be confined to barren hills, and exposed ridges. 
Fie. 198. The Bur or Over-cup Oak (Quercus macrocarpa ee oe the oaks 
represented here are peo a-cup Oak (Qhereas mac . )- 
Fic. 199. The Post or Rough Oak (Quercus obtusiloba.) © es 
