OCHNACEtE. d. c. 



20. Ochna Arhorea. Burch. (Redwood; Roodhout.) — 

 Branches smooth, spreading. Leaves alternate, glossy, pen- 

 ninerved, oval, slightly serrate. Flowers subracemose, or often 

 solitary. Ca/?/^ 5 parted, deciduous ; petals 5, yellow; stamens 

 numerous, shorter than the petals ; filaments slender ; anthers 

 linear, opening by pores ; style 5-10 fid. Berry one-celled, one 

 seeded. 



Height of stem 20 to 30 ; diameter 1^ to 2 feet. Bark reddish brown, 

 smooth. Wood of a red tint, hard, heavy, and tough. Well suited for 

 all kinds of furniture, but chiefly used for wagon poles, tools, triggers, 

 axe-handles, &c. 



In the forests of Oliphant's Hoek, Salem, Katriver, Caffraria, Adow 

 (Uitenhage). Fl. September— October. 



CELASTRINE^. R. Br. 



21. Celastrus Acuminatus. Lin. {Silkhark ; Zyhast.) — 

 Branches unarmed, twigs angular, compressed. Leaves stalked, 

 oblong, lanceolate, taper-pointed, serrate, veiny, smooth. Flow- 

 ers 2—4, small, nodding, axillary on short pedicels. 



A forest tree. Height 12 to 15 feet; diametej 7 to 12 inches. Bark 

 thin, whitish-grey, not thorny. Has this peculiarity along with the 

 leaves, tiiat when broken, they show numerous fine white, silk-like 

 threads, and hence the name of Zyhast, or Silk-hark. lFbo<^ of a fine 

 grain, heavy, and hard. When polished it displays beautiful shades. 

 To the joiner it furnishes a splendid material for fancy work; by the 

 turner it will be found very serviceable for wooden screws, &c., as also 

 by the manufacturer of musical instruments. lu the colony it has 

 hitherto chiefly been used by wheelwrights. This tree grows best in 

 rocky situations beneath other trees, and is found in many parts of the 

 colony, even in the very vicinity of Cape Town, at Kirstenbosch, on the 

 eastern side of Table Mountain. It is harder and tougher than the 

 Europeon Yoke-elm. Fl. February — March. 



22. Celastrus undatus. Thbg, (Koko-tree.) — Branches round; 

 twigs flexuose, compressed, angular. Leaves alternate, short- 

 stalked, obovate or rhomboid-ovate, wedge-shaped and unequal 

 at base, mostly blunt, wavy, and obtusely sawed at the margins, 

 leathery, netted-veined, shining on the upper, pale on the lower 

 surface. Flowers stalked, small, axillary. Capsule 3 angular, 

 three celled. 



A tree 20-25 feet high and 1, to 1^ in diameter. Bark smooth, grey, 

 thin. Wood hard, close-grained, very heavy, resembling white -pear, 

 and chiefly used in the construction of wagons or for farming implements. 



Common in the forests of the Uitenhage and Albany districts, as well 

 as those in the Amatola mountains. Fl. May. 



