Mesembryanthemum.| MESEMBRYACE (Sond.) 395 
17. M. robustum (Haw. Misc. 28, Syn. 211); stem robust, a little 
branched, short, decumbent ; leaves subulate, obtuse, dotted, pustulate 
inside at the base. DC, l. ¢. 
Has. Cape of Good Hope. 
Flowers unknown. 
18. M. denticulatum (Haw. Obs. 149. Syn. 215); stemless; leaves 
very glaucous, subulately triquetrous, compressed, dilately keeled at the 
apex; keel usually denticulated ; scape bibracteate, 1-flowered ; styles 
12-15. D0C.l.c. M. difforme, Thunb. | Fl. Cap. 423. 
Var. a. canum (Haw. Obs. 149) ; leaves canescent from minute down. 
Var. 8 glaucum (Haw. Obs. 151) ; leaves glaucous-white, rather dilated at both 
ends, a little toothed. : 
Var. y. candidissimum (Haw. 1. c.); leaves whitish, elongated, a little toothed, 
compressed on both sides. 
Has. Karroo, between Olifantsriver and Bockland, in Hantum and Roggefeldt. 
Oct.-Nov. Thunberg / 
' Plant 2-3 inches or more high. Root perennial. Lower leaves marcescent, 
whitish, upper ones trigonous, acutely green. Peduncle or scape short, angular. 
& 19. M. multipunctatum (Salm Dyck, Monog. fase. 1. t.2.); plant 
almost stemless, much branched ; leaves elongated, semiterete, obtuse, 
keeled at the apex, glaucous-green, with very numerous pellucid dots ; 
scape elongated without bracts; calyx 4-cleft. 
Has. Cape of Good Hope (v. v.) . : 
Leaves 4-6, fleshy, 2-24 inches long, about 3 lines wide, spreading, when young 
erect adpressed, with prominent dots, flat above and pustulate at the base, convex _ 
beneath, but compressed-keeled at the apex. Peduncle 3 inches long. Calyx-lobes 
unequal, 2 smaller. Petals in 3 series, about 4 inch long. Styles 8. Capsule 8-lo- 
cular. 
20. M. rostratum (Linn. Spec. 696) ; plant almost stemless, branched ; 
leaves subulate, elongated, subtriquetrous, acute, subglaucous, dotted ; 
scape elongated, bibracteate ; calyx 4—5-cleft. 
Var. a. longebracteatum ; bracteas 2, as long or longer than the scape. M. rostra- Ptobew 
tum, Haw. DC. Salm.-Dyck. 1. ¢. fase. 1, t. 3. EB. § Z./ 1978. 
Var. §. brevibracteatum (Salm Dyck, 1. c. t. 4); bracts 4, shorter than the 
scape. M. bibracteatum (Haw. Syn. 215. DC. l. c.) 
Has. In Karroo, between Olifantsriver and Bockland, Thunberg ; in Zwartland 
and near Saldanha Bay, #. ¢ Z./ var. 8. Gamkariver, Zeyher ! 692. (Herb. Sd.) 
Leaves 4-6, in the cultivated plant 4-5 inches long, 5-6 lines wide, in the wild 
plant 1-2 inches long, flat above, but pustulate at the base, convex beneath at the 
base, subtriquetrous at the apex. Peduncle or scape 2-4 inches long ; bracteas 
foliaceous. Calyx-lobes unequal, Petals in 3 series. Styles 8-10. Distinguished 
- from the preceding by the long, attenuated leaves. 
21, M, purpurascens (Salm Dyck, Obs. Bot. ann. 1822); plant al- — 
most stemless, branched ; leaves dotted, smooth, gibbous AB at the — 
base, of a bluish-glancous colour, obtuse, triquetrous at the apex ; Keel 
usually extended ; sheaths purplish. DC. 1. e. ee Re 
Has. Cape of Good Hope. 
§. 4, ALOIDEA, DC. (Aloidea et Magnipunctata, Haw.) ; stemless. 
Leaves 4-6, triquetrous, gradually thickened from the base to the mid- ae 
