FAGACEAE 419 
oblong or oval, 1.5-2 em. long, the bracts 
3-lobed: nut 1.5-2.5 mm. long, sharp- 
arenes —(Saoorn: -ALDER. GREEN-ALDER. 
AG-ALDER ALDE 
E es wo 
mps, and stream-banks, various pro 
inces, E Blue d and Adirondacks, 
Fla. t ex, Minn., and Me.—Spr. 
2. A. Alnobetula (Ehe K. Koch. Shrub 
E A m. tall: d iion oval or 
ovate, .dm. long: pistillate 
amen E em. long, the pese undulately 
lobed: nut 2-3 mm. long, winged.— (Moun- 
1 
£3 
PAN 
um 
P 
27. 7 
Syri 
Hier rm 
v Tyee 
e cec, ING, 
saves: 
—Stony x, G acid soil, ` Blue Ridge and 
more m provinees, N. C. and Tenn. to Man., N. Y., and Lab.—Spr.— 
(Eurasia.) 
Famity 3. FAGACEAE — Oak FAMILY 
Shrubs or trees, the wood coarse-grained. Leaves sometimes per- 
sistent: blades simple, entire, toothed, or lobed. Staminate aments elon- 
gate or globular, the calyx of 4-7 partially united sepals.  Pistillate 
flowers solitary or several together, each subtended by a bristly involucre, 
the sepals thick. Fruit a bur-like, cup-like, or saucer-like involucre 
enclosing or subtending 1 or more nuts.—About 6 genera and 400 species 
of wide geographical distribution. 
Staminate aments globose, drooping on slender bracted peduncles: nut 3-angled or 
3-winged. 1. FAGUS. 
Staminate aments elongate, slen 
Meo aments erect or "he ccnginpe nuts 1-3, included in a 
ny involucre. 
ery spi 
Staminate aments drooping: nut seated in an involucre of im- 
bricate seales. 
2. CASTANEA. 
3. QUERCUS. 
AGUS [Tourn.] L. Shrubs or trees, with elose-grained wood. Leaf- 
blades toothed. Staminate "up Do pendulous: calyx 4-7-lobed: 
flowers 
aie T 
sou bes D Plain, with the leaf-blades 
rounded or cordate at the base, has bee: 
piod ed as F. grandifolia mona 
Loud.) Fernald & pod 
1. F. grandifolia Ehrh. Tree becoming 
tal, th 
40 m. e bark smooth, pale: leaf- 
blades ovate OT ADI ovate, 5-14 cm 
ng: staminate aments 1-1.5 cm. in dia meter, long-peduneled: ripe involuere 
ovoid, 15-2 cm. T short-peduneled: nut ovoid, narrowly winged, edible. 
