4 8 



MAGNOLIACEAE. 



3. Magnolia tripetala L,. Umbrella-tree. 

 Elk-wood. (Fig. 1539.) 



Magnolia tripetala L. Sp. PI. Ed. 2, 756. 1763. 

 Magnolia Virgi niana var. tripetala L,. Sp. PI. 536. 1753. 

 Magnolia umbrella Lam. Encycl. 3: 673. 1789. 



A tree 20 -40 high, trunk 4 / -i8 / in diameter. 

 Leaf-buds glabrous; leaves clustered at the summits 

 of the flowering branches, i-i^ 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, i'-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 IDS. The name 

 tripetala is in allusion to the 3 petaloid sepals. May. 



4. Magnolia Virginiana L,.' Laurel Magnolia. Sweet Bay. (Fig. 1540.) 



M. Virginiana and var. glauca L. Sp. PI. 535. 1753. 

 Magnolia glauca L. Sp. PI. Ed. 2, 755. 1763. 



A tree I5-7O high, trunk 5'-$% in diameter. 

 Leaf-buds pubescent; leaves scattered along the 

 flowering branches, 3 / -6 / long, I'-a' broad, oval 

 or oblong, obtuse or blunt-acuminate, acute at the 

 base, coriaceous, dark green above, glaucous and 

 more or less pubescent beneath; petioles about i' 

 long; flowers white, depressed-globose, dcliciously 

 fragrant, 2'-$' in diameter; sepals spreading, ob- 

 tuse, nearly as large as the obovate rounded petals; 

 cone of fruit oblong, ij4'-2' high, pink. 



In swamps and swampy woods, easteni Massachu- 

 setts, Long Island, Lebanon County, I'.i . ami 

 southward, mainly east of the Alleghanits to Florida, 

 west through the Gulf States to Arkansas and T 

 Heart-wood soft, reddish-brown ; sap-wood nearly 

 white; weight 31 Ibs. Also called White Hay. Swamp 

 Laurel, Swamp Sassafras and Beaver-tree. May June. 



5. Magnolia acuminata L. Cucumber- tree. 

 Mountain Magnolia. (Fig. 1541.) 



Magnolia I'irginiana var. acuminata L. Sp. PI. 536. 1753. 

 Magnolia acuminata L. Sp. PI. Ed. 2, 756. 1763. 



A tree 60 -90 high, trunk ac'-so' in diameter. Leaf- 

 buds silky-pubescent; leaves scattered along the branches, 

 6'-io / long, $'-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 I'-i^' 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 i' 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 Ibs. Ascends to 4200 feet in Virginia. 

 May-June. 



