12 VIII. CAPPARIDEiE. 



2. POLANISIA. Stamens 8-12, fertile. (2 species.) 



3. DiANTHEKA. Stamens 4^10 ; 2-8 short and sterile ; 2 anterior alone 

 fertile, very long, declinate. (3 species.) 



4. Tetratelia. Stamens 8 ; 4 sterile, short ; 4 fertile, elongate. (1 

 species.) 



All the Cape species are natives of the Northern or North-Eastern fron- 

 tier, or of the regions beyond the Northern bonndary. 



2. GYNANDROPSIS, DC. 



Sepals 4, short, spreading. Petals 4, clawed. Stamens 6, 

 inserted on the sunmiit of a long stalk-like torus ; filaments 

 subequal; anthers 2-celled, fertile. Ovary stipitate ; ovules 

 many ; stigma subsessile. Capsule pod-like", 1-celled, 2-valved, 

 many-seeded. Seeds rugose. — Fl. Cap. \. p. 55. 



Annuals, chiefly tropical. G. pentaphylla is found on the Asbestos 

 Mountains and Magalisberg ; it is a native of the West Indies, but now 

 naturalized throughout the tropics generally. 



Tribe 2, CAPPAEEiE. (Gren. 3-6.) 



3. NIEBUHRIA, DC. 



Calyx with a funnel-shaped, persistent tube, and a 4-parted, 

 deciduous limb ; lobes valvate in aestivation. Petals or 

 very small. Torus filiform, long or shorter, cylindrical. Sta- 

 mens many, on the apex of the torus ; filaments filiform. 

 Ovary on a long stipe, 1-celled ; ovules many or few. Berry 

 ovoid or subglobose, 1-celled, many- or few-seeded. — Niebuhria, 

 Fl. Cap. i. p. 60 ; and Boscia, Fl. Cap. I. c. ; Thes. Cap. t. 134. 



Small trees or shrubs, glabrous or pubescent. Leaves 3-foliate or 

 simple. Flowers terminal or axillary, solitary or corymbose. — 5 South 

 African species, of which 3 have 3-foliate, and 2 simple leaves. 4 are na- 

 tives of the Eastern district, or Natal ; 1 {Boscia angustifolia, H.) of 

 Namaqualand. 



4. MJE3RUA, Forsk. 



Calyx with a funnel-shaped, persistent' tube, and a 4-parted, 

 deciduous limb ; lobes valvate. Petals 0, or 4 in the throat 

 of the calyx. Torus filiform, elongate, cylindrical. Stamens 

 many, inserted in the middle of the torus ; filaments free or 

 connate at base. Ovary on a long stipe ; ovules many ; stig- 

 ma subsessile. Berry cylindrical, torulose, transversely many- 

 celled ; cells 1-seeded. 



Trees, chiefly tropical, often glaucous. Leaves simple, quite entire. 

 Flowers axillary or terminal. — M. Angolensis has been recently found in 

 the Natal country by Mr. Gerrard {Gerr. and M'K. ! 1148). 



5. CADABA, Forsk. 



Sepals 4, separate, unequal, deciduous, concave, the two 

 outer valvate in the bud and coverinn: over the 2 inner. Petals 



