(36) 



III, Polygynia. 



1. Portulaca. — Corolla superior. Caljx 2« 

 se])alous, deciduous. Petals 4-6. Fruit 

 a circumsclssile capsule. Succulent. 



OCTANDMA. 

 I. Monogfjnia. 



A. Floral parts polypetalous, m/erior. 



1. Ac3r. — Calyx 4-5-=parted. Corolla 4-5 

 petals. Frait a samara. Tree. 



B. FlG7xd parts polypetalous , superior. 



1. Jussifca. — Calyx tube not prolonged 

 beyond the ovary, lobes of tlie calyx 

 limb persistent. Petals inserted on tlie 

 calyx. Stigma capitate. Fruit a sejDtic- 

 idal capsule. Aquatic. 



a. Seeds luiih a hairy croiun. 



1. Zausclmeria. — Calyx tube considerably 

 prolonojed beyond the ovary; calyx limb 

 petaloid. deciduous. Petals not exceed- 

 ing the c.ilyx lobes, 2-cle£t, erect. Cap- 

 sule 4-valved, 1-celled, cc-seeded. 



2. Epilobium. — Calyx tube prolonged but 

 little beyond the ovary. Petals inserted 

 on an annular disc on the summit of the 

 calyx tube. Ovary 4-celled. Capsule 

 loculicidal. 



