EPILOBIACEAE 939 
thriee as many stamens as sepals, or of 4 times as many. Gynoecium of 
2-5 united earpels. Ovary inferior, at least partly so. Styles united. 
it a leathery berry crowned with: or surrounded by the calyx.—Fifteen 
genera and about 50 species, of Gani and subtropical regions. 
1. RHIZOPHORA L. Evergreen trees with aerial roots arising from 
the trunk and branches, which branch and interlace about the base of the 
plant. Leaf-blades leatn entire, persistent. owers 2—several in peduncled 
clusters, nodding. Sepals 4, leathery. Petals 4, bud Stamens 4—12. 
Ovary CPUS provided with a fleshy cone at urity. Fruit pendulous, 
the seed germinating and sending out a long fa before the is fall.— 
Three species, natives of tropical regions. 
1. R. "ped L. scie or Mas beeoming 20 m. tall, with pale ultimately 
furrowed bark, for trable thiekets on salt and brackish shores: 
E ees "liti io ; alone. boa te, 5—15 
long: sepals lanceolate, about 10 mm 
epis petals pale-yellow, linear or nearl 
so: fruits 2-3 em. long, "the itii becom- 
ing sever . long.— (MANG ED- 
MANGROVE. )—Coasts of en. Tla. and 
the shores of creeks and rivers Dou. to the 
limit of salt or brackish water, and on the 
Florida Keys.—(W. I., Mex , C. A., S. 
—Grows most extens ively in salt water; 
rarely in fresh water; but ie its great- 
est size in brackish water. The bark is used 
in dyeing and tanning. The reddish-brown 
and streaked pit -wood, close-grained, 
heavy, and hard, is used for Een PEU 
The a precocious embryo wh falls 
into the water floats Nh position. When stranded on the UM 
bottom it strikes oe 
Famity 7. HBPILOBIACEAE — EVENING-PRIMROSE FAMILY 
Herbs or rarely shrubs. Leaves alternate or opposite: blades simple. 
Flowers typically perfect. Hypanthium often elongate. Calyx of 2-6, 
usually 4, sepals. Corolla of 2-9, usually 4, petals, or pn wanting. 
Androecium of as many stamens as the sepals or twice as m 
cium of several, usually 4, united carpels. Ovary 1—6- celled. pe s "uL 
celled, inferior. Fruit capsular or nut-like. —Forty a and about 350 
species, widely distributed, but most abundant in Ameri 
Floral whorls of 4 parts, or m 
Fruit a capsule, opening bx Sarees or pores, or by the eee down of the 
walls. 
Tribe OENOTHEREAE. 
Fruit dry and indehiscent, nut-like. Tribe i GAUREAE. 
Floral whorls of 2 parts: Tribe III. CIRCAEAE. 
I. OENOTHEREAE 
Hypanthium not prolonged beyond the ovary. 
Seeds naked, ae ae without a tuft of hairs. 
ee 3 row. 
opposite: stems prostrate, creeping or float- 
g: flowers soos or on peduncles longer 
than the c 
Flowers sessil eras wanting or very s D. 
RE petioled ; E sessile, sho: l 
flat at the a 1. ISNARDIA, | 
