Mesembryanthemum.| MESEMBRYACEX (Sond.) 401 
and subecompressed at the blunt apex, furnished in the middle with 1 
or 2 obsolete teeth or tubercles. Flowers on short pedicels. Salm Dyck, l. c. 
fase. 1. t. 11. M. difforme Lin. ? Willd. ? Dill. Eth. p. 252. f. 242. 
Has. Cape of Good Hope. 
Stem erect, rigid, 4 foot or higher, bifarious, branched. Leaves difformed, one 
of them 2 inches, the opposite 12-15 lines long, 3-4 lines wide. Peduncle 1 inch. 
Calyx turbinate. Petals entire. % 
45. M. difforme (Haw. Rev. 103. Syn. 228); rather caulescent ; leaves 
obliquely cruciate, semi-cylindrical, narrow-tongue-shaped, punctate, not 
dentate or tubercled in the middle, difformed, one shorter, bluntish and 
mucronulate, the other longer, attenuated, compressed, and obliquely 
keeled at the blunt apex. Salm Dyck, 1. ¢. fase. 1.t.12. DC. lc. £.§ 
Z.! 1985, but not of Linn. or Thunb. 
Has. In Karroo, near Olifantsrivierbad, Clanwilliam, Oct. (Herb. Sd.). 
Stem short-branched. Leaves 4 inch wide, the longer 3, the other 2-2 inches 
long. Peduncle 1 inch. Petals entire. Styles 8-9. 
46. M. bigibberatum (Haw. Phil. Mag. Nov. 1825. p. 329) ; rather 
caulescent ; leaves obliquely somewhat cruciate, small, semi-cylindrical, 
scarcely tongue shaped, very smooth, usually with 2 gibbosities, swb- 
equal, one attenuated and acute, the other keeled-dilated, obtuse at the 
apex. Salm Dyck, l.c. fase. 6. f. 4. 
Has. Cape of Good Hope (v. v.) 
Twice smaller than the preceding, leaves smaller, sub-equal. It varies with or 
without gibbosities on the middle. Peduncle 8-10 lines long. Petals denticulate. 
47, M. praepingne (Haw. Rev. 95. Syn. 222) ; nearly stemless; leaves 
obliquely tongue-shaped, semiterete, thick, very smooth, pale green, 
when young ciliated with pubescence, much difformed, one abbreviate, 
subacute, the other dilated, compressed, heeled with incurved point ; 
flowers nearly sessile; calyx ciliated on the angles. Salm Dyck, 1. c. 
Jase. 5. t. 5. 
Has. eM 
ory he a. pies se go known by the triquetrous-compressed, ciliated 
calyx. Opposite leaves about 14-24 inches long, 6 lines wide. Peduncle 3 inch 
long. Petals biseriate, denticulate. 
48, M. angustum (Haw. Obs. 176. Syn. 222) ; nearly stemless ; leaves 
obliquely distichous, linear-tongue-shaped, semi-cylindrical, very long, 
obliquely keeled at the apex, subincurved, punctate, subequal, one acute, 
the other wncinate ; flowers subsessile, calyx glabrous. Salm.-Dyck. l. c, 
Fasc. 5. t. 6. (var. pallidum, Haw.) 
Var. 8. heterophyllum (Salm Dyck, 1. c. t. 7); leaves longer and thicker, evi- 
dently incurved at the apex. M. heterophyllum, Haw. Rev. 102. 
Has. Cape of Good Hope (v. v.) 
Distinguished from the preceding by the less decussate more tongue-shaped and 
not ciliated leaves. Calyx subtrigonous-turbinate. Petals biseriate, acute. 
49. M. cruciatum (Haw. Obs. 173. Syn. 224) ; nearly stemless; leaves — 
cruciate, incrassate, linear-tongue-shaped, semi-cylindrical, very soft, ob- 
liquely keeled at the apex, subequal, one attenuated, the other compressed 
dilated; flowers on long peduncles. Salm Dyck, 1. ¢. fase. 2. t. 2 
VoL, I. 26 
