98 XriT. SAXIFIIAOE.E. 



Tribe i?. Brexie.e. Shrubs, witli alternate, exstipulate leaves. Sta- 

 mens as many as the petals. Ovary superior, 5-angled, 5-celled. Seeds 

 without albumen. 



5. Brexia. Flowers 5-parted, sepals and petals coriaceous, imbricated. 

 Oavry surrounded by a 5-lobed, imbricate disk. Leaves oblong or obovate, 

 entire. 



Tribe I. S.vxiFEAGEiE. 



1. VAHLIA, Th. 



Calyx-tube adhering to the ovary ; limb 5-parted, persistent, 

 valvate in bud. Petals 5, spreading, entire, epigynous. Sta- 

 mens 5. Ovary inferior, 1 -celled, with 2 many-ovuled pla- 

 centas pendulous from the summit of the cavity ; styles 2, 

 spreading ; stigmas capitate. Capsules membranous, opening 

 between the styles. Seeds minute, very many. — Fl. Cap. ii. p. 

 308. 



V. Capensis, Th., our only species, is a much-branched, half-woody 

 plant, 6 inches to 2 feet long, more or less hairy or smooth ; leaves linear 

 or lanceolate ; peduncles 2-flowered, sliorter than the leaves. — Found in the 

 West and IS^orth-West districts, and Namaqualand. 



Tribe 2. Cfxon^ie.?;. (G-en. 2-3.) 



2. CUNONIA, Linn. 



Calyx free, 5-parted, deciduous. Petals 5, oblong, entire. 

 Stamens 10. Ovary free, 2-celled, conical, with many-ovuled, 

 sutural placentas ; styles 2, diverging ; stigmas simple. Cap- 

 sules conical, 2-horned, 2-celled, separating from base to apex, 

 from a free, placentiferous column. Seeds many, compressed, 

 with a narrow membranous wing. — Fl. Cap. ii. p. 306. 



C. Capensis, Linn., the only species, is a large shrub or small tree, com- 

 mon throughout the colony, glabrous in all parts. Leaves pinnate ; pinnae 

 in 2-4 pairs, lanceolate, sharply serrate. Stipules broadly ovate, deciduous. 

 Racemes axillary, opposite, veiy many-flowered ; flowers white. 



3. PLATYLOPHUS, Don. 



Calyx free, 4-(rarely 5-)parted, persistent, valvate in bud. 

 Petals 4-5, 3-fid. Stamens 8-10, on the outer edge of a 

 fleshy, perigynous disk. Ovary free, 2-celled ; ovules 2 in each 

 cell, collateral, pendulous ; styles 2 ; stigmas simple. Cap- 

 sule turgid at base, compressed above, membranous, 2-ceIled, 

 at length splitting ; cells 1-seeded. — Fl. Cap. ii. p. 307. 



P. trifoliatus, Don, the only species, is a tree 40-50 feet high, glabrous 

 in all parts, extending at least as lar east as Uitenhage, more frequent in the 

 west. Leaves long-petioled, pinnately 3-foliolate ; leaflets lanceolate, mi- 

 nutely toothed. Panicles axillary, much-branched ; flowers small, white, 

 almost always 4-parted. 



