AIZOACEAE 195 



KEY TO THE GENERA. 

 Subfam. I. Molluginoideae (Flor. Cap. 1, 136). 

 Perianth without a tube, the segments mostly free or partially cohering 

 {Coelanthum). Ovary superior, 3 — 7-celled, ovules numerous in each cell. 

 Herbs or dwarf undershrubs with mostly narrow leaves. 



Tribe I. Giesekieae. Fruit of 2 — 5 separable nuts. 



A. Petals o. Ovary of 3 — 5 carpels. Nuts warted or crested, enclosed 



in the persistent perianth. 



5 African species, 3 in S. A. 1. Giesekia L. 



Flor. Cap. 1, 155. 



B. Petals 3 — 5 (rarely wanting). Ovary of 2 plano-convex carpels. 



a. Carpels flat, with a marginal wing. 



Two endemic species. (S.fenestrata common C, No.) 



2. Semonvillea Gay 

 Flor. Cap. 1, 152. 



b. Carpels hemispherical, not winged, dorsally pitted. 



14 species, 10 in S. A., mostly eastern. 



3. Limeum L. 

 Flor. Cap. 1, 152. 

 Tribe II. Mollugineae. Fruit a loculicidal capsule. 

 A. Pseudopetals o. 



a. Ovary i-carpellary ; i-ovuled. 



Endemic. 7 species. 



4. Adenogramma Rekhb. 

 Flor. Cap. 1, 149. 



b. Ovary 3 — 5-celled, each cell with 1 ovule. 



I. Calyx 5-parted, segments entire. 



Endemic. 5 species dispersed. 



5. Psammotropha Eckl. & Zeyh. 

 Flor. Cap. 1, 146. 



II. Calyx 4-parted, segments fimbriate-lacerate. 



One species (P. capensis), endemic on the Cape 

 Peninsula. 



6. Polpoda Fresh 

 Flor. Cap. 1, 148. 



c. Ovary 3 — 5-celled ; each cell with 2 or more ovules. 

 I. Perianth-segments free. 



1. Stigmas linear. Stipules obsolete, 

 x Seeds without strophiole. 



4 species in the Karoo (M. Cerviand). 



7. Mollugo L. 

 Flor. Cap. 1, 137. 

 x x Seeds with strophiole. 



2 species in S. A. 8. Glinus Loefl. 



Flor. Cap. 1, 136. 



