EHIZOPHOEACEAE. 89 



long, very thick, shining above, obscurely reticulate beneath: peduncles and 

 pedicels strongly flattened: corolla about 1.5 cm. wide; petals white or nearly 

 so: fruits about 1 cm. in diameter. [Eugenia bahamensis Kiaersk.] 

 Pinelands, Big Pine Key. (W. I.) 



3. PSIDIUM L. Shrubs or trees. Leaf-blades prominently many-ribbed. 

 Flowers solitary or few together. Fruit crowned with the persistent calyx. 

 Seeds very numerous. 



1. P. Guajava Kaddi. Tree sometimes 8 m. tall, with roughish bark, or a 

 shrub: leaf -blades oblong or nearly so, 4-8 cm. long, pubescent beneath: sepals 

 9-15 mm. long: petals 15-20 mm. long: berries globular or pyriform, 3-6 cm. 

 in diameter. GUAVA. 



Hammocks, pinelands, thickets, and fields, pen. Fla. and the F. Keys. (W. I.) 



4. CALYPTRANTHES Sw. Shrubs or trees. Leaf-blades not ribbed. 

 Flowers in terminal panicles. Calyx cap-like, deciduous. Berry crowned with 

 the top of the hypanthium. Seeds 1 or 2. 



Calyx-lid not mammillate. hypanthium pubescent : leaf-blades manifestly petloled. 



1. C. pollens. 

 Calyx-lid mammillate : hypanthium glabrous : leaf-blades sessile or 



nearly so. 2. O. Zuzygium. 



1. C. pallens (Poir.) Griseb. Shrub, or tree becoming 9 m. tall, the bark light- 

 gray or nearly white, smooth or ultimately scaly, the branchlets 2-edged: 

 leaf-blades elliptic or oval, varying to broader above or below the middle, 3-5 

 cm. long, or rarely larger, mostly short-acuminate, pubescent beneath, at least 

 when young, manifestly petioled: inflorescence pubescent: hypanthium about 

 2 mm. wide during anthesis: calyx pubescent, less than 2 mm. in diameter: 

 fruits subglobose or oval, 5-7 mm. in diameter, pubescent: seeds about 4 mm. 

 long. SPICEWOOD. 



Hammocks, lower eastern coast, and on the E. Keys and F. Keys. (W. I.) 



2. C. Zuzygium (L.) Sw. Shrub, or tree becoming 12 m. tall, the bark pale 

 gray, smooth, the branchlets terete: leaf -blades oval or elliptic, varying to ovate 

 or obovate, 4-6 cm. long, obtuse or abruptly blunt-tipped, glabrous, sessile or 

 nearly so : inflorescence glabrous : hypanthium about 4 mm. wide during 

 anthesis: calyx glabrous 3.5-4 mm. wide: fruits subglobose or spheroidal, 8-10 

 mm. in diameter, glabrous: seeds about 5 mm. long. MYRTLE-OF-THE-RIVER. 



Hammocks, E. Keys. (W. I.) 



FAMILY 6. RHIZOPHORACEAE. MANGROVE FAMILY. 



Maritime shrubs or trees. Leaves usually opposite : blades entire or 

 toothed. Flowers perfect, solitary or variously clustered. Calyx of 3 or 4 

 valvate sepals. Corolla of 3 or 4 petals. Androecium of twice, or thrice 

 as many stamens as sepals, or of 4 times as many. Gynoecium of 2-5 

 united carpels. Ovary inferior, at least partly so. Styles united. Fruit 

 a leathery berry crowned with or surrounded by the calyx. 



1. RHIZOPHORA L. Evergreen trees. Leaf-blades leathery, entire. 

 Flowers 2-several in peduncled clusters. Sepals 4, leathery. Petals 4, leathery. 

 Stamens 4-12. Ovary 2-celled, provided with a fleshy cone at maturity. Fruits 

 pendulous, the seed germinating and sending out a long radicle before the 

 fruits fall. 



1. R. Mangle L. Shrub, or tree becoming 10 m. tall, with pale ultimately 

 furrowed bark, forming impenetrable thickets on salt and brackish shores: 



