OiiDEii 2.— THE MAGNOLIADS. 



153 



L 



a Leaves acute at the base (not cordate) b 



a Leaves cordate or auriculate at the base. Trees 3'^-40f. high 5-7 



b Leaves sliining above, wliite or rust-colored beneath. Petals 11-12 1, 2 



b Leaves dull green both sides, thin, deciduous. Petals 6-9 3, 4 



1 M. grandiflo'ra. Big Laurel. Tree evergreen, 60-70f. high. Leaves thick, rust 



downy beneath. Flowers 8 or 9' broad, white. S. 

 £ M. glauca. White Bay. Shrub deciduous, 6-25f. high. Leaves very smooth 

 glaucous beneath. Flowers 2-3' broad, cream-color. Swamps. + 



3 M. acumina'ta. Cucumber-tree. Tree large. Leaves oval, acuminate, scat 



tered. Flowers small (3-4' broad), petals obovate. M. S. 



4 M. umbrena. Umbrella-tree. Tree small (20-30f.). Leaves wedge-lanceo 



late, whorled, very large, as well as the flowers. M. S. 



5 M. corda'ta. Yellow Gacumber-tree. Petals 6-9, yellow, with reddish lines. Lvs. 



broad-ovate, slightly cordate. Flowers 4' broad. S. 



6 M. Fra'seri. Ear-leaved M. Petals 6, pure white. Leaves ear-shaped at base, 



obovate- spatulate, near If. long. Spring. S. 



7 M. macrophyl'la. Great-leaved M. Petals 6, white, each e-S' in length. Leaves 



2-3f. long, obovate-spatulate, cordate. Tree 30-50f. high. S. W. t 

 8 M. conspic'ua. Yulan. Flowers in Spring, large, rose-colored o»* white, with 

 6-9 petals or sepals, nearly erect. Japan. 



2. LIRIODEN'DRON. Tulip-tree. 



Sepals 3. Petals 6, in two rows. 

 Anthers opening outwards. Oar- 

 pels 1-2-seeded, imbricated into 

 a cone, indehiscent, separating 

 from each other in fruit. — Trees 

 with large and fragrant flowers. 



L. tulipifera. Tulip-tree. Whitewood. 

 Poplar. This is one of the finest 

 and largest trees of our forests. 

 The trunk is generally straight 

 and cylindric, dividing at the top 

 rather abruptly in a few coarse and 

 crooked branches. Leaves dark 

 green, smooth, square at the end, with 2 lobes each sido, 3-5' in length and 

 breadth. Flowers large and elegant, greenish-yellow, orange within, 4-6' 

 broad. May^ June. 



Fig. 374 Young branch of Tulip-tree, unfold* 

 ig from the bud : s, s, stipules. 



