414 
CUPULIFERJE. (oak family.) 
long acorn. —Rich woods, common.—A well known and invaluable 
large tree. Nut about V long, sweet, edible. Lobes of the leaves va¬ 
riable in breadth, sometimes very shallow. 
2. Q. obtusiloba, Michx. (Post Oak. Rough or Box 
White Oak.) Leaves grayish-downy underneath, pale and rough above, 
thickish, sinuately cut into 5-7 roundish divergent lobes, the upper 
ones much larger and often 1 - 3-notched; cup hemispherical , naked, 
about one third the length of the ovoid acorn. (Q,. stellata, Willd.) — 
Sandy soil, coast of Massachusetts and southward, also sparingly west¬ 
ward. A small tree, with very durable wood. Acorns long. 
3. Q. macrocarpa, Michx. (Over-cup White Oak. Burr- 
Oak.) Leaves obovate , deeply and lyrately sinuate-lobed, pale or 
downy underneath , the lobes obtusely toothed ; cup conspicuously im¬ 
bricated, mossy fringed at the border, more than half inclosing the ovoid 
very obtuse acorn. — Dry woods along rivers, rare in W. New Eng¬ 
land and New York, common from Ohio to Wisconsin.—A hand¬ 
some middle-sized tree : the acorns 1£' long, 1' broad. 
d. Q* Olivsefbrmis, Michx. (Mossy Over-cup Oak.) Leaves 
oblong, deeply and unequally sinuate-pinnatifid, smooth , glaucous un¬ 
derneath ; cup very deep, mossy-fringed above, inclosing three fourths 
of the oblong someichat pointed acorn. — Rare in S. W. New York and 
Penn.; not uncommon in Ohio and westward.— Acorns long, 
narrow; the scales of the upper part of the cup bearing long flexible 
filaments, which give the moss-like appearance. 
- — Leaves coarsely sinuate-toothed, not lobed. (Chestnut Oaks.) 
5 - bicolor, Willd. (Swamp White Oak.) Leaves ob- 
long-obovute, wedge-shaped at the base, hoary-downy underneath, 
coarsely and irregularly sinuate- (8 - 15-) toothed, short-petioled ; pt- 
unc/e elongated in fruit; cup hemispherical, often a little mossy- 
fringed at the border, inclosing less than half the oblong-ovoid acorn. 
— Low moist woods, common, especially eastward. — A pretty large 
brownish valuable wood, light scaly bark, large leaves 
q j * an< ^ acorns nearly 1/ long, sweet, as in most Chestnut 
L. (Swamp Chestnut Oak.) Leaves obovate, 
acute, downy underneath, coarsely serrate with nearly uniform round¬ 
ed teeth ; cup somewhat top-shaped ; acorn ovate (large). — Low woods 
and river-banks, Penn, and southward. — A large tree. 
mon tana, Willd. (Rock Chestnut Oak.) Leaves 
rou( y ovate , coarsely and almost equally serrate with broad and ob¬ 
tuse teeth whitish-downy underneath ; peduncles short; cup hemi- 
sphencal, with somewhat tubercled scales; acorn ovate (l/-l*'loDg). 
Rocky hills, rather common. — A middle-sized tree, valuable for 
timber; the bark prized by tanners. 
