(35) 



7. Anemopsis. Spadix with a several- 

 leaved involucre. Flowers bracteate. 

 Perigonium 0. Ovaries immersed in 

 the rachis, 1-celled, ao-seeded. 



8. Frankenia. Calyx tubular, costate, 5- 

 cleft. Petals 5, unguiculate. Capsule 

 1-celled, dehiscent by valves. Ovules 

 few, inserted on parietal placentae. 



Ill, Hexagynia Polygynia, 



1. Triglochin. Stigmas sessile, plumose. 

 Aquatic. 



2. Alisma. Sepals 3. Petals 3. Aquatic. 



HEPTANDRIA, 



I, Monogynia. (Number of parts somewhat inconstant.) 



1. Trientalis. Calyx 7-claft. Corolla 7- 

 parted. Stamens inserted on the cor- 

 olla. 



2. ^sculus. Calyx 5-dentate. Petals 4-5, 

 irregular. 



II. 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. 



