ANONACEAE (CUSTARD APPLE FAMILY) 65 



MAGNOLIACEAE (MAGNOLIA FAMILY) 



Trees or shrubs, the leaf buds covered by membranous stipules. 

 The calyx and corolla colored alike, and imbricated in the bud. 

 The leaves alternate, not toothed, and marked with minute trans- 

 parent dots. The flowers single and large. 



MAGNOLIA 



Sepals 3. Petals 6-9. Pistils coherent, forming a fleshy and 

 rather woody, cone-like, red fruit. Each carpel at maturity opens 

 on the back. 



M. acuminata, CUCUMBER TREE. A tree 18-27 m. high, the fruit 

 when young slightly resembling a small cucumber. The leaves are 

 thin, oblong, pointed, green, and a little pubescent beneath, 13-25 cm. 

 long. The flower is shaped like a slender bell, and is green tinged with 

 yellow, 5 cm. long. The cone-like fruit is cylindrical. Rich woods. 

 May-June. 



LIRIODENDRON 



A beautiful tree sometimes 40 m. high and 23 m. in diameter. 

 The timber is commonly called poplar or whitewood. (Named 

 from lirion, lily, and dendron, tree.) 



L. Tulipifera, TULIP TREE. Leaves very smooth with 2 lobes near 

 the base and 2 at the apex. Sepals 3, reflexed. Petals 6, in two rows, 

 making a bell-shaped corolla. Anthers, linear, opening outward. Car- 

 pels flat, narrow, and coherent in an elongated cone which falls away 

 whole. The petals are 5 cm. long, greenish-yellow marked with 

 orange. Rich soil. May-June. 



ANONACEAE (CUSTARD APPLE FAMILY) 



A tropical family except for the following genus. Trees or 

 shrubs. 



ASIMINA 



Shrubs or small trees with unpleasant odor when bruised. The 

 deep red flowers occur singly in the axils of last year's leaves. 

 Petals 6, the outer set larger than the inner. Stamens numerous 



SPRING FLORA 5 ^ 



