MAGNOLIACEAE. 



3. Magnolia tripetala L. L'mbrclla- or Cuiuin- 

 bcr-trcc. JIk-\vood. I<"ig. 1847. 



Magnolia Iripelala L. Sp. PI. Ed. 2. 756. 1763. 

 Magnolia virginiana var. Iripelala L. Sp. PI. 536. 1753. 

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



A tree 20-45 high, trunk 4-18' in diameter. Leaf- 

 buds glabrous ; leaves clustered at the summits of the 

 flowering branches, i-ii long, 4'-8' wide, obovate to 

 oblanceolate, acute, cuneate at the base, dark green and 

 glabrous above, light green and more or less pubes- 

 cent beneath, at least when young; petioles stout, l'-^' 

 long; flowers 8'-io' 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 Georgia, west to 

 Missouri. .Arkansas and Mississippi. Heart-wood brown, 

 soft ; sap-wood white : weight per cubic foot 28 lbs. The 

 name Iripelala is in allusion to tlie 3 petaloid petals. May. 



4. Magnolia virginiana L. Laurel Magnolia. Sweet Bay. Fig. 1848. 



M, virginiana and var. glaiica L. Sp. PI. 535. 1753. 

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



A shrub, or tree i5-75 high, trunk 5-3' in 

 diameter. Leaf-buds pubescent; leaves scattered 

 along the flowering branches, 3'-6' long, i'-2' broad, 

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

 the base, coriaceous, dark green above, glaucous and 

 more or less pubescent beneath, deciduous in the 

 North, persistent in the South; petioles about i' 

 long; flowers white, depressed-globose, deliciously 

 fragrant, 2'-3' in diameter; sepals spreading, ob- 

 tuse, nearly as large as the obovate rounded petals; 

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



In swamps and swampy woods, eastern Massachusetts, 

 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 

 lbs. White-bay, swamp- or white-laurel. Swamp-magnolia 

 or -sassafras. Beaver-tree. Indian-bark. May-June. 



5. Magnolia acuminata L. Cucumber-tree. Moun- 

 tain Magnolia. I'ig. 1849. 



Magnolia virginiana var. acuniinala L. Sp. PI. 536. 1753. 



Magnolia acinuinala L. Sp. PI. I'-d. 2, 756. 1763. 



A tree 6o-go high, the trunk up to 4! in diameter. Leaf- 

 buds silky-pubescent ; leaves scattered along the branches, 

 6'-io' long, 3'-4' wide, thin, oval, acute or somewhat acumi- 

 nate, 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, New York and Ontario to Illinois, Missouri, Georgia. 

 Mississippi and Arkansas. Heart-wood soft, yellowish-brown ; 

 sap-wood lighter. Weight per cubic foot 29 lbs. Ascends to 

 4200 ft. in Virginia. Yellow or black linn. May-June. 



