Mesembryanthemum.| MESEMBRYACEZ (Sond.) ; 423 
143. M. uncinatum (Will. Dict. ed.8. n. 18); stem tortuose, diffuse ; 
leaves sheathing at the base, rather decurrent, glaucous-green, punc- 
tate, short and equal-sided, triquetrous, mucronulate, often furnished 
with 1 or 2 spines underneath at the apex. Burm. Afr. t. 26. f. 3. 
DC. Pl. Grass. t. 54. Salm Dyck, fase. 6, t. 10. M. edentulum, Haw. 
Rev. 125. 
Han. Karro, between Olifantsriver and Bocklandsberg, Thunberg ! Springbokk: 
Mar. Zey./ 703 and 2956. (Herb. Thunb. D., Sd.) : — - 
Stem erect, diffuse, much branched, branches sub-compressed, greenish, floriferous 
short. Leaves spreading, 3 lines long, 14-2 lines wide, in the wild specimens often 
as broad as long, fleshy, rugose when dry, three times shorter than the internodes, 
at the keel near the apex with or without a short tooth. Flowers on very short, 
thick peduncles, half an inch in diameter, rose-coloured. Styles 5. 
144. M, uncinellum (Haw. Rev. 125); stem erect, diffuse; leaves 
sheathing at the base, rather decurrent, glaucous, punctate, short, tri- 
quetrous subrecurved, mostly trifariously denticulate at the apex. Salm 
Dyck, fase. 5, t. 19. M. uncinatum var. minor. Salm Dyck, Catal. Dill. 
Elth, t. 193. fase. 239+ 
Has, Karro in Zoutpanshoogde near Zwartkopsriver, Oct. Zeq. | 2598. Gamka- 
river, Zey./ 685 et 688. Port Natal, Miss Owen. (Herb. D., Sd.) 
Distinguished from M. wneinatum by a little longer, tridenticulate, recurved 
leaves, internodes not much shorter than the leaves. Leaves 4 lines long, 1 line wide, 
crowded. Flowers asin M. uncinatum. It varies with subentire or unidentate leaves. 
** Leaves elongate, compressed. 
145. M. semidentatum (Salm Dyck, Obs. p. 9) ; branches few, erect, 
simple, straight ; leaves distant, sheathing, erecto-spreading, equalsided- 
triquetrous, compressed, whitish, dotted, bluntish, mucronulate, keel 
furnished with 2-4 teeth near the top. Monog. fase. 1. t. 26. 
Has. Gamkariver, Zeyher! (Herb. Sd.) 2 = 
Stem 2-3 feet. Sheaths compressed, long. “Leaves 12-15 lines long, 2-3 lines 
wide ; the carinal angle with 2 or 4 recurved teeth. Peduncle 4 inch , com- 
pressed, thickened upwards. Flowers middle sized. Petals very narrow. Styles 
5, subulate. 
146, M, unidens (Haw. Phil. Mag. 1826, p. 331); branches numerous, 
rigid, spreading; leaves crowded, sheathing, erecto-recurved, compressed- 
triquetrous, elongate, whitish, dotted, attenuated-mucronate, keel gene- 
rally with one tooth near the top. Salm Dyck, l. c. fase. 0: & ioe 
rigidicaule, HE. & Z. 1 1992. 
Has. Stony places on Mt. Bothasberg near Vischrivier, Albany, June. (Hb, Sd.) 
Flowering branches short. Leaves 9-12 lines long, 2 lines wide, twice longer 
than the internodes. Peduncle 6-9 lines long. Flowers rose-coloured, 6 lines in 
diameter. Styles 5, linear, spreading. 
147. M. lineolatum (Haw. Rev. 130) ; stem depressed ; branches nu- 
merous, spreading ; leaves much crowded, sheathing, triquetrous, rigid, 
mucronate ; one of a pair incurved, with dilated, roughish carinal angle, 
the other recurved, subuncinate ; sheaths with a short impressed line. 
Salm Dyck, fasc. 2. t. 16. : 
Var. 8. minus (Haw.) ; leaves shorter and glaucescent, 
Var. y. nitens (Haw,) ; leaves shining green. 
