CALYCANTHACEAE. 79 



11. Sepals very narrow. M. Kobus. 

 Sepals resembling the petals. M. denudata. 



12. Flowers white with light tinging. X M. Soulangeana. 

 Flowers deep-shaded without. 13. 



13. Flowers cup-shaped, early. M. obovata. 

 Flowers pear-shaped, often continuing. X M. Lennei. 



Family CALYCANTHACEAE. Carolina Allspice Family. 



A small family of shrubs, of no great use but attractive be- 

 cause of their fragrant flowers. 



CALYCANTHUS. Strawberry Shrub. 



Deciduous shrubs with moderate aromatic often 4-lined twigs 

 widened at the nodes; round or 6-sided homogeneous pale pith; 

 opposite elevated crescent-shaped leaf-scars with 3 bundle-traces ; 

 no stipule-scars ; ovoid sessile sometimes superposed buds, the 

 terminal usually absent, with about 4 opposite scales ; simple en- 

 tire short-stalked moderate leaves ; moderate lurid axillary 

 flowers often strawberry-scented, with many distinct petals ; and 

 pear-shaoed dry hypanthium enclosing large seedlike akenes. 

 (Butneria). 



1. Leaves very hairy beneath. C. floridus. 

 Leaves nearly or quite glabrous. 2. 



2. Leaves green beneath. C. fertilis. 

 Leaves whitened beneath. C. fertilis glaucus. 



Family ANNONACEAE. Custard Apple Family. 

 A rather small family of shrubs or small trees, chiefly of the 

 tropics, yielding such fruits as sour-sop, cherimoya, etc. The name 

 papaw properly belongs to the "papaya" of the tropics (Carica). 



ASIMINA. "Papaw." 



Deciduous shrubs or very small trees with rather smooth dark 

 gray bark ; greenish soft wood with a zone of moderate ducts in 

 the spring growth and decreasingly smaller ones diffused through 

 the remainder, and distinct medullary rays ; rather slender terete 

 twigs; rounded continuous pale pith with firmer diaphragms; 

 alternate half-round or broadly crescent-shaped leaf-scars with 



