48 MAGNOLIACEAE. 
3. Magnolia tripétala L. Umbrella-tree. 
Elk-wood. (Fig. 1539.) 
Magnolia tripetala I,. Sp. Pl. Ed. 2, 756. 1763. 
Magnolia Virginiana vat. tripetala I, Sp. Pl. 536. 1753. 
Magnolia umbrella Lam. Encycl. 3: 673. 1789. 
A tree 20°-40° high, trunk 4/-18’ in diameter. 
Leaf-buds glabrous; leaves clustered at the summits 
of the flowering branches, 1°-14° long, 4’-8’ wide, 
obovate, acute, cuneate at the base, dark green and 
glabrous above, light green and more or less pubes- 
cent beneath; petioles stout, 1/-3’ long; flowers 8/— 
10’ in diameter, white, slightly odorous; sepals broad, 
reflexed, early deciduous; petals oblong-lanceolate or 
obovate-lanceolate, acutish; cone of fruit 4/-6’ long, 
rose-colored when mature. 
In woods, southeastern Pennsylvania to Alabama, west 
to Arkansas and Mississippi. Heart-wood brown, soft; 
sap-wood white; weight per cubic foot 28 lbs. The name 
tripetaia is in allusion to the 3 petaloid sepals. May. 
4. Magnolia Virginiana L. Laurel Magnolia. Sweet Bay. (Fig. 1540.) 
M. Virginiana and var. glauca I. Sp. Pl. 535. 1753- 
Magnolia glauca I,. Sp. Pl. Ed. 2, 755. 1763. 
A tree 15°-70° high, trunk 5’-3%° in diameter. 
Dy, in. Leaf-buds pubescent; leaves scattered along the 
Al “flowering branches, 3’-6’ long, 1-2’ broad, oval 
V Leer Chr. or oblong, obtuse or blunt-acuminate, acute at the 
base, coriaceous, dark green above, glaucous and 
Sr anee - more or less pubescent beneath; petioles about 1/ 
= long; flowers white, depressed-globose, deliciously 
s fragrant, 2’-3’ in diameter; sepals spreading, ob- 
filmes tuse, nearly as large as the obovate rounded petals; 
cone of fruit oblong, 114’-2’ high, pink. 
In swamps and swampy woods, eastern Massachu- 
setts, Long Island, Lebanon County, Pa., and 
southward, mainly east of the Alleghanies to Florida, 
west through the Gulf States to Arkansas and Texas. 
Heart-wood soft, reddish-brown; sap-wood nearly 
white; weight 31 Ibs. Also called White Bay, Swamp 
Laurel, Swamp Sassafrasand Beaver-tree. May-June. 
5. Magnolia acuminata L. Cucumber-tree. 
Mountain Magnolia. (Fig. 1541.) 
Magnolia Virginiana var. acuminata I,. Sp. Pl. 536. 1753- 
Magnolia acuminata ¥,. Sp. Pl. Ed. 2, 756. 1763. 
A tree 60°-go° high, trunk 2c’-50’ in diameter. Leaf- 
buds silky-pubescent; leaves scattered along the branches, 
6-10’ long, 3/-4’ wide, thin, oval, acute or somewhat 
acuminate, rounded or truncate at the base, light green 
and more or less pubescent on the lower surface, especially 
along the veins; petioles 1/-1'4’ long; flowers oblong- 
campanulate, greenish-yellow, 2’ high; petals obovate or 
oblong, much longer than the spreading deciduous sepals; 
cone of fruit cylindric, 3/-4’ long, about 1’ in diameter, 
rose-colored when mature. 
In woods, southern New York to Illinois, south to Kentucky, 
western North Carolina and Alabama, west to Arkansas. 
Heart-wood soft, yellowish-brown; sap-wood lighter. Weight 
per cubic foot 29 lbs. Ascends to 4200 feet in Virginia. 
May-June. 
