130 PUNICACEAE, 



11-17 mm. long: capsules 6-7 mm. long, ovoid. [H. floridana Xash.] — Ever- 

 glades. — {Cuba.) 



2. TETRAZYGIA L. C. Rich. Shrubs or trees. Leaf-blades 3-5-ribbed, 

 mostly scurfy or tomentose beneath: sepals, and petals, 4 or 5. Ovary 4- or 5- 

 celled. Berry included. 



1. T. bicolor (Mill.) Cogn. Shrub "or small tree, uith scaly bark: leaf -blades 

 lanceolate to oblong-lanceolate, S-20 cm. long, silvery beneath: panicle 1-2 

 dm. long: calyx about 1 mm. long: petals \Yhite, 7-8 mm. long, cuneate: 

 berries purple or black, the bodv 8-10 mm. long. — Pinelands and hammocks. — • 

 {Bah., Cuba.) 



Family 2. LYTHRACEAE. Loosestrife Family. 



Herbs, shrubs, or tropical trees. Leaves mostly opposite : blades 

 usually entire. Flowers perfect. Calyx of 4 or 5 sepals, commonly ac- 

 companied by accessory teeth. Corolla of 4 or 5 petals, or wanting. 

 Androecium of few or many stamens : anthers versatile. Gynoecium of 

 mostly 2-6 united carpels. Ovary 2-6-celled, or rarely 1-celled, free from 

 the hypanthium. Fruit a capsule, included. 



Hypanthium short, becoming hemispheric or globose. 1. Ammannia. 



Hypanthium elongate, becoming tubular. 2. Ltthrtjm. 



1. AMMANNIA L. Leathery-succulent herbs. Leaf-blades narrow, often 

 auricled at the base. Flowers in axillary, sometimes 1-flowered, cymes. Sepals 

 4, involute, often accompanied by small teeth. Petals 4, early deciduous, or 

 wanting. 



1. A. latifolia L. Plants 2-11 dm. tall: leaf-blades linear-oblong to linear- 

 lanceolate, mostly 3-7 cm. long, slightly auricled and clasping at the base: 

 corolla wanting: capsules 4-5 mm. in diameter. — Everglades. — F. K. {Bah., 

 Cuba, Ant.) 



2. LYTHRUM L. Herbs or shrubs. Leaf -blades entire. Flowers axillary 

 or in terminal spikes or racemes. Sepals 4-6, not involute, alternating with 

 spreading appendages. Petals 4-6, nearly equal. 



1. L. lineare L. Stems 3-12 dm. tall: leaf-blades linear, 1-4 cm. long: 

 mature hypanthium about 4 mm. long, the appendages triangular, about as 

 long as the deltoid sepals: petals cuneate or cuneate-oblong, 4-5 mm. long: 

 capsules barely 4 mm. long. — Coastal sand-dunes.— F. K. 



Family .3. PUNICACEAE. Pomegranate Family. 



Shnibs or trees. Leaves opposite or nearly so, persistent : blades 

 entire. Flowers perfect, solitary or in short axillary clusters. Hypan- 

 thium leatherj'. Calyx of 5-7 sepals. Corolla of 5-7 wrinkled petals. 

 Androecium of numerous stamens in several series: anthers versatile. 

 Gynoecium of several united carpels. Ovary inferior. Fruit a several- 

 celled ben'y crowned with the calyx, the seeds in a watei'y pulp. 



1. PUNICA [Tourn.] L. Leaf-blades entire. Flowers showy. Sepals 

 persistent on the fruit. Petals deciduous. Berry pendulous. 



1. P. Granatum L. Leaf-blades oval, elliptic, or oblong, varying to broadest 

 above or below the middle, 1-8 cm. long: sepals triangular or triangular- 



