( 85 ) 
7. Anemopsis.— Spadix with a several- 
leaved involucre. Flowers bracteate. 
Perigonium 0. Ovaries immersed in 
the rachis, 1-celled, «-seeded. 
8. Frankenia.—Calyx tubular, costate, 5- 
cleft. Petals 5, unguiculate. Capsule 
l-celled, dehiscent by valves. Ovules 
few, inserted on parietal placenta. 
II. Hexagynia—Polygynia. 
1. Triglochin.—Stigmas sessile, plumose. 
Aquatic. 
2. Alisma.—Sepals 3. Petals 3. Aquatic. 
HEPTANDRIA. 
} Monogynia. (Number of parts somewhat inconstant.) 
1. Trientalis.—Calyx 17-cleft. Corolla 7- 
parted. Stamens inserted on the cor- 
olla. 
2, Asculus.—Calyx 5-dentate. Petals 4-5, 
irregular. 
Il, Trigynia. 
1. Portulaca.—Corolla superior, Calyx 2- 
sepalous, deciduous. Petals 4-6. Fruit 
a circumscissile capsule. Succulent. 
2. Calandrinia.— Corolla inferior. Calyx 
2-sepalous, persistent. Fruit a capsule, 
3-valved, oo-seeded. 
