aa? 
Th 
4 
oy Flowers solitary. Stigmas 4, § or 6. 
Mesembryanthemum.| MESEMBRYACE® (Sond.) 389 
KEY TO THE ARRANGEMENT OF THE SECTIONS. 
I. EPAPULOSA. 
I. SuBacavria. 
Fleshy corpuscula ; each — eens Bs of two ciel leaves 
united into a globe . — . .. (1) Sphaeroidea. 
Leaves distinct. 
Flowers white or reddish. 
Leaves (4-6) decussate, entire, tte flat eo con- 
vex beneath ... ee poe we Subquadrifolia. 
Leaves (4-6) divergent, “subterete ... oi (11) Teretifolia. 
Leaves (numerous) tumid, difform, 1 abbreviate gib- 
bous, 1 larger subovate ... ... (9) Gibbosa. 
Leaves (numerous) cylindrical, blunt, ‘erect. Flowers 
WIRIBD, Soe vse» (to) Calamiformia. 
Leaves (numerous) semiterete, subtriquetrows, apex 
entire. Flowers reddish... ... . ... (13) Acuta. 
Leaves (numerous) triquetrous- compressed, apex den- 
tate. Flowers white ... ... .. see ee» (12) Bellidifiora, 
Flowers yellow. 
Leaves unequalor difform. Stigmas 8 or 9-10, 
Leaves obliquely-decussate, semicylindrical, with 
incrassate or attenuated apex, often toothed (7) Difformia. 
Leaves distichous, lingueform, one side ager : 
obliquely keeled at the apex... ... 0... (8) Linguseformia. 
Leaves equal. 
of 
Leaves (4-6) semiterete, attenuated, keeled at 
the apex. Flowers pedunculate  ... (3) Rostrata, 
Leaves (4-6) triquetrous, larger in the middle, 
bluntish, mucronate, entire, tuberculated. : 
Flowers sessile .. (4) Aloidea, 
Leaves (4-6). semiterete, near the apex dilated 
and triquetrous, angles often dentate or ciliate (5) Ringentia. 
Flowers ternate 
Leaves — » — =e much di- = 
lated oe are Dolabriformia. 
II. TriqueTra. 
Flowers yellow. Stigmas 10-20. 
Leaves cylindrical, more or less triquetrous, not 
elongated, punctate ‘ .. (15) Corniculata. 
Leaves more or less triquetrous, "very long, without dots (16) Pugioniformia. 
Flowers yellow. Stigmas about 5. 
~— Leaves triquetrous, glaucous ; peduncles without bracts (25) Aurea. 
— Leaves acinaciform, with smooth pee =. eM etulle LB 1 
Leaves subacinaciform, with serrulated angles see . M.serratum L. (§ 20) 
Flowers white or reddish. Stigmas mostly 5 (rarely 5-10). 
Flowes Se 
Stem short, nodulose, prostrate, rooting ... ... ... (18) Reptantia. 
‘Stem erect or decumbent, not rooting : ee 
. Paes angular, leaves connate, acinaciform eo 
_ with smooth angles, flowers large .. : I Acinaciformia. 
Branches angular or terete, leaves connate, ice See 
acinaciform, with serrulated angles, fi. large (20) Rubricaulia aoe 
Branches angular, lax, leaves very connate, tri- oe 
quetrous-compressed, obtuse, toothed below 
the apex, flowers large oe Gn Porficate, 
Branches 2-edged, leaves subconnate, compressed- 
