124 TREES OF THE NORTHERN UNITED STATES 
gined at base and gradually spreading 
into an oblanceolate or linear-spatulate 
wing as in the Red Ash. Small to mid- 
, dle-sized trees (like the Red Ash), found 
throughout, but common westward. 
4, Fraxinus quadrangulata, Michx. 
(Buug AsH.) Leaflets 7 to 9, short- 
stalked, ob- 
long - ovate 
or lanceo- 
late, point- 
ed, sharply 
serrate, green on both sides. Fruit nar- 
rowly oblong, blunt, of the same width 
at both ends, or slightly narrowed at 
the base. A large tree, 60 to 80 ft. high, 
with smooth square twigs on the vig- 
orous growths. Wisconsin to Ohio and 
Kentucky. 
F. quadrangulata. 
5. Fraéxinus platycadrpa, Michx. (Wa. 
TER-ASH.) Leaflets 5 to 7, 3 to 5 in. long, 
ovate or oblong, acute at both ends, short. 
stalked, slightly serrate. Branchlets te- 
rete, smooth to pubescent. Fruit broadly 
winged, 34 in. wide, often 3-winged, ta- 
pering to the base. A medium-sized tree 
in deep river-swamps, Virginia and south. 
6. Fréxinus 
sambucifolia, 
F. platycarpa. Lam. (BLack 
AsH.) Leaflets 7 to 11, sessile, oblong- 
lanceolate, tapering to a point, serrate, 
obtuse or rounded at base, green and 
smooth on both sides ; when young, with 
some rusty hairs along the midrib. Fruit 
without calyx at base and with wing all 
around the seed-bearing part, blunt at 
both ends. A slender tree, 40 to 70 ft. 
high, with dark-blue or black buds. 
7. Fraxinus excélsior, L. (EUROPEAN 
Asu.) Leaflets 11 to 13 (in some culti- F. sambucifélia. 
