POLYPETALOUS EXOGENOUS PLANTS. 149 



shrub or small tree. Leaves partly deciduous. Floiuers 2' 

 wide, white, very fragrant ; cone oi fruit oval, 1'--1J' long. 



*♦ Leaves deciduous, acute at thebase. 



M. ACUMINATA, L. Leaves scattered, oval acuminate, 

 downy beneath ; petals 6-9, oblong ovate, obtuse. Upper 

 districts, in rich, shaded soil. June, July. Large tree. 

 Leaves 6-9' long. Flowers 3-4' wide, dull yellow and 

 greenish. Cone oi fruit cylindrical, 2-3' long. 



3. CUSTARD-APPLE FAMILY. Order, Anonace^. 



Trees or shrubs, resembling the Magnolia family, but the 

 i\\YQQ petals of each not overlapping each other in the bud; 

 the bark and foliage not aromatic, but disagreeable tasted. 

 Seeds with variegated albumen, large, bony. Leaves ex- 

 stipulate, entire, pubescent when young. Floiuers axillary, 

 mostly solitary. 



Petals, and commonly the leaves, minutely punctate with 

 pellucid dots. 



ASIMINA, Adams. Papaw, Custard Apple. 



Petals thick ; the outer ones larger and Spreading. Stamens 

 very numerous, crowded on the globular receptacle. Ovaries 

 3-15, sessile, 1-celled, few-many-ovuled ; baccate in fruit. 

 Seeds horizontal, enclosed in a thin succulent aril. Shrubs 

 or small trees. Leaves deciduous. Flowers nodding. 



* Flowers appearing with or before thefloivers. 



A. TRILOBA, Dunal. Leaves oblong-obovate, acuminate, 

 covered with a rusty pubescence, as also the branches when 

 young, at length glabrous; outer 2^etals round-ovate, dark 

 purple, 3-4 times as long as the hairy sepals. A shrub or 

 small tree. Leaves 8'-12' lons^. Floivers l'-12' wide. 

 Friiit oblong, yellow, and pulpy when mature; edible. 



