94 KEY AND FLORA. 



36. CALYCANTHACEJE. CALYCANTHUS FAMILY 



Shrubs. Leaves opposite, entire, without stipules. Flowers 

 solitary, often sweet-scented. Sepals and petals numerous, 

 the outer sepals bract-like. Stamens many, short, the inner 

 ones usually sterile. Ovaries several, inserted on the inside 

 of an irregular, hollow, pear-shaped receptacle something like 

 a large rose hip, forming 1-seeded akenes in fruit. 



CALYCANTHUS L. (BUTNERIA) 



Shrubs, 4-8 ft. tall ; branches opposite. Leaves oval, downy 

 beneath, short-petioled ; both leaves and bark aromatic. Sepals 

 and petals many, in several rows, somewhat fleshy, indistin- 

 guishable. Pistils several, inserted on the inner side of the 

 persistent calyx tube. Mature fruit pear-shaped, dry, inclos- 

 ing the akenes.* 



1. C. floridus L. SWEET-SCENTED SHRUB, STRAWBERRY BUSH, 

 SPICE BUSH, SHRUB. A widespreading bush, 4-8 ft. high; twigs 

 downy. Leaves oval or oblong, acute or taper-pointed, rough above, 

 downy beneath, 2-3 in. long. Flowers 1 in. wide, brownish-purple, very 

 fragrant. Sepals united below to form a cup, on the inside of which 

 the other parts of the flower are inserted ; cup leafy-bracted on the 

 outside. Banks of streams and rich hillsides S., often cultivated.* 



37. ANNONACEJE. PAPAW FAMILY 



Trees or shrubs. Leaves alternate, entire, pinnately veined. 

 Flowers bisexual, hypogynous, axillary, solitary. Calyx of 3 

 sepals ; corolla of 6 thickish petals in 2 rows. Stamens many ; 

 filaments very short. Pistils several or many, becoming fleshy 

 or pulpy in fruit. 



ASIMINA Adans. 



Shrubs or small trees. Leaves deciduous. Flowers nodding. 

 Sepals 3, ovate. Petals 6, the 3 outer ones larger and spread- 

 ing. Stamens very numerous, crowded on the globular recep- 

 tacle. Ovaries 3-15, sessile, 1-celled, several-ovuled. Fruit a 

 large, fleshy, oblong berry ; seeds large, horizontal.* 



