44. PORTITLACACEAE— IS. CARYOPHYLLACEAE. 89. 



6. AIZOON L. 



1. canariense L. Coastbelt. 



2. glinoides L.f- 



7. MESEMBRIANTHEMUM L. 



1. edule L. Dominant in large consociations along seaward 



margins of sand dune bush. "Khambi lamabulawo." 



2. hirtum N.E.Br. Midlands and Drakensberg. 



3. uncinellum Salm-Dyck. Zululand. 



4. Sutherland! Hk.f. 



5. cordifolium L.f. Camperdown. 



6. tradescantioides Berger. Inchanga, 2,100 ft. 



7. nubigenum Schltr. Drakensberg. Rock fissures, 8,500 ft. 



FAMILY 44— PORTULACACEAE. 



Herbs or shrubs. Flowers regular or nearly so, hermaphro- 

 dite. Sepals 2. Petals 4—6 free or united at base. Stamens 

 3—30. Ovary superior or inferior, 1 celled. Ovules basal or 

 placenta free-central. Ovules curved. Fruit a capsule or nut. 

 Seeds endospermic. 2 genera 5 species. 

 1. Ovary inferior or half inferior. Ovules many. 1 PORTULACA 



Ovary superior. Ovule 1. 2 PORTULACARIA. 



1. PORTULACA L. 



1.. oleracea L. Coastbelt. Common. Introduced. Ruderal. 



2. caffra Thb. Rocky hill, Inanda, 2,000 ft. 



3. pilosa L- 



4. quadrifida L. Entumeni, Zululand. 



2. PORTULACARIA. Jacq. "Spekboom." "inTelisi." 



afra Jacq. Not uncommon in Thorn veld areas, in places 

 dominant. Coast and Midlands. 



FAMILY 45— CARYOPHYLLACEAE. 



Herbs or undershrubs. Leaves undivided. Flowers regular, 

 hermaphrodite. Perianth of calyx and corolla, rarely simple. 

 Stamens 1 — 10. Ovary 1 celled or incompletely 2 — 5 celled su- 

 perior. Ovules on basal or central placentas, curved or inverted. 

 Seeds endospermic. Embryo curved. 10 genera I4 species. 



1. Calyx tubular, 4 — 5 toothed. Petals clawed. 2. 

 Sepals free, or united at base. Petals not distinctly clawed. 3. 



2. Calyx bracteate at base. Styles or stigmas 2. 



1 DiANTHUS. 

 Calyx nude at base. Styles 3—4- 2 SILENE. 



3. Flowers minute. Petals or scale-like. Leaves with scarious 



stipules. (lUecebraceae.) 4- 



Flowers fairly conspicuous. Petals fairly large. 5. 



