XXIV. TILTACE^. 33 



sterile, bearded, ilie inner fertile, with nodose filaments. 

 Ovary sessile, 4-celled ; ovules many ; style single ; stigma 

 5-toothed. Capsules globose or oblong, 4-celled, 4-valved, 

 loculicidal, covered with rigid bristles. — Fl. Cap. i. p. 223. 



Shrubs or small trees, with pubescent, long-petioled, 5-7-angled or lobed 

 leaves, and umbellate white flowers. — 2 South African species : S. Africana, 

 from the South-Eastern district, and S. pahnata, from Caffraria and Natal. 



2. GREWIA, Linn. 



Sepals 5, linear, leathery, coloured within, deciduous. Pe- 

 tals 5, each with a nectariferous gland or pit at base, inserted 

 at the base of a short columnar torus which su])ports the 

 stamens and ovary. Stamens many ; filaments filiform ; an- 

 thers roundish. Ovary 2 -4-celled ; style simple. Drupe 2-4- 

 lobed, containing 2-4 hard-shelled, 1-2-celled, 1-2-seeded 

 nuts.— i^Z. Cap. i.p. 224. 



Trees or ehi'ubs. Leaves undivided, entire or serrulate, 3-7-nerved at 

 base, often pale beneath. Pubescence stellate. Flower purple or yellow, 

 in cymules or solitary. Petals often shorter than the sepals. — 11 South 

 African species, dispersed. 



3. TKIUMFETTA, Linn. 



Sepals 5, linear, membranous, coloured, hooded at the point 

 and dorsally mucronate, deciduous. Petals 5, without glands, 

 inserted at the base of a short columnar torus, which supports 

 the stamens and ovary. Stamens definite, 5-30; filaments 

 thread-like ; anthers roundish. Ovary 2-5-celled, the cells 

 divided by a false parietal vertical septum ; ovules in pairs ; 

 style filiform ; stigma 2-5-lobed. Capsules subglobose, co- 

 vered with straight or hooked prickles, 2-5-celled ; cells 1-2- 

 seeded.— i^'/. Cap. i. p. 227 ; Thes. Cap. t. 52. 



Shrubs half-shrubs or herbs, common in tropical countries. Leaves 

 variable in shape in the same species, entire or lobed, serrate, many-nerved, 

 often with glands on the serratures. Flower small, yellow or orange, soli- 

 tary or clustered. — 4 species occur in the Natal country 



4. CORCHOIIUS, Linn. 



Sepals 4-5, ovate or lanceolate, unequal, deciduous. Petals 

 4-5, obovate, clawed, hypogynous. Stamens many, mostly 

 indefinite. Ovary sessile or shortly stipitate, 2-5-celled ; 

 ovules many ; style short ; stigmas 2-5. Capsules pod-like or 

 roundish, 2-5-celled, 2-5-valved, loculicidal, many-seeded. 



Herbs or half-shrubs, chiefly tropical. Leaves alternate, serrate, the 

 teeth sometimes bristle-pointed. Flowers yellow, axillary or ojiposite 

 leaves. — 4 species, found at Natal and on the North- Eastern frontiers of 

 the Cape colony. 



