(43) 



2. Spergnla. — Sepals 5. Petals entire. 

 Stigmas alterjiate with the sepals. 

 Capsule dehiscent by 5 valves. Valves 

 opposite to the sepals. Stipules mem- 

 branaceous. 



3. Cerastium. — Sepals 5. Petals 2-cleft. 

 Capsule dehiscent by 10 teeth. 



4. Oxalis. — Stanfens monadelphous at their 

 base. Capsule 5-lobed. 



5. Cotyledon (Echeveria). — Calyx 5-parted. 

 Petals coherent by their claws. Ovar- 

 ies 5. Fruit 5-follicles. Succulent. 



6. Sedum. — Calyx 5-parted. Petals not 

 coherent by their claws. Ovaries 5. 

 Fruit 5-follicles. Succulent. 



7. Portulaca. — Corolla superior. Calyx 2- 

 sepalous, deciduous. Petals 4-6. Cap- 

 sule circumscissile. Succulent. 



VI. Polygynia. 



1. Horkelia. — Calyx companulate, limb 5- 

 parted, augmented by 5 bractlets. 

 ovaries oo, inserted on a conical re- 

 ceptacle. Styles subterminal. 



DODECANDRIA. 

 I. Monogynia. 



1. Asarum. — Perigonium 3-cleft, superior. 



2. Portulaca. — Cahx 2-sepalous,deciduous. 

 Petals 4 6. Capsule circumscissile. 

 Succulent. 



