(48 ) 



5. Actsea. — Calyx 4-sepalous. Anthers ad- 

 nate, introrse. Ovary 1. Placenta ven- 

 tral. Style 0. Berry oo-seedeJ. 



B. Petals 5. 



1. Heliantliemum. — Calyx double. Exter- 

 nal sepals 2, somatimesO; internal 3, con- 

 torted in fTestivation. Capsule 3-valved. 



0. Petals 6. 



1. Argemone. — Calyx 3-sepalous. Fila- 

 ments filiform. Stigmas radiate. 



2. Platystemon. — Calyx 3-s3palous. Fila- 

 ments flattened their entire length, 

 ovary at last separating into its com- 

 ponent carpidia. 



3. Platjstigma. — Calyx 3-sepalous. Fila- 

 ments flattened only at the base, ovary 

 not separating but ripening into a 3- 

 valved capsule. 



11. Di-, Tri-, T3tra-, Panta-, Polygaia. 



A. Ovaries ventralhj dehiscent. Fruit a follicle. 



a. Flowers irregular. 



1. Delphinium. Calyx petaloid. Superior 

 sepal calcarate. 



b. Floivers regular. 



1. Platystemon. — Sapals 3, caducous. Pet- 

 als 6. Filaments flattened. Carpidia at 

 first united into an oo-celled ovary. 



