G72- 
DIOECIA DIANDRIA. 
1. Epiptera. Mich. 
F. foliolis lanceolato- 
ellipticis, sub-serratis; 
samaris cuneatis, apice 
obtusis,emarginatis, in- 
ferne teretibus. 
Leaflets elliptic-lan- 
ceolate, slightly serrate; 
samara cuneate, ob- 
tuse and emarginate at 
the summit, terete at 
base. 
Sp. pi. 4. p. 1102. Mich. 2. p. 256. Pursh, l.p. 8. Nutt. 2. p. 231. 
A tree of middling size, 40 — 60 feet in height, and rarely exceeding 2 
feet in diameter. Leaves unequally pinnate. Leaflets 3 — 4 pair, ovaklan- 
ceolate, acuminate, obscurely serrate, strongly veined, almost ribbed, very 
glabrous. Flowers in small axillary panicles. Stamens much longer than 
the rudiments of the corolla. The fruit in panicles composed of small clus- 
ters, terete at base, extending from the summit a very long narrow wing, 
slightly emarginate at the summit. 
Grows in the high river swamps, Santee. Dr. Macbride. 
Flowers in March. 
2. Acuminata. La March. 
F. foliolis petiolatis, 
oblongis, nitidis, acu- 
minatis, integerrimis, 
subtus glaucis; floribus 
calyculatis. 
Leaflets on petioles, 
oblong, shining, acumi- 
nate, entire, glaucous 
underneath; flowers ca- 
lculate. 
Pursh, 1. p. 9. Nutt. 2. p. 231. 
F. Americana, Sp. pi. 4. p. 1102. Walt. p. 254. 
Icon. Mich. arb. for. 3. p. 106. 
A tree 50 — 70 feet high, and sometimes 2 — 3 feet in diameter. Leaves 
opposite, and as in all of the American species of the genus unequally pin- 
nate. Leaflets , 3 — 4 pair, oval-lanceolate, acuminate, generally entire, glab- 
rous underneath. Fruit somewhat terete at base, with a long lanceolate 
wing extending from the centre. 
The wood of this species, under the name of White Ash, is said by Mi- 
chaux to be employed in preference to that of the other species of this genus. 
I believe, however, they are all indiscriminately used. Their wood is light, 
elastic, and sufficiently strong, and is much used by Carriage-Maker% 
Wheelwrights, and Cabinet-Makers. 
Grows as most if not all of the genus, in rich swamp or bottom land; 
Flowers March. 
