390 MESEMBRYACE (Sond.) [Mesembryanthemum. 
> ® 
triquetrous, erect, sub-recurved ; flowers small ; 25 
peduncles with 2 bracts in the middle ... ... (23) Virgata. 416 
Branches 2-edged ; leaves distinct, compressed- 
eo e-$ triquetrous, hooked at the apex, scabrous-punc- 
2 ge tate, peduncles with 2 or 4 bracts near the calyx (22) Bracteata. 4/4 
Flowers ternate or geminate (by abortion rarely solitary) , 
Branches elongated, sarmentose or rooting ... ... (17) Sarmentose, 440 
_. Branches not sarmentose or rooting : 
Wate } Leaves deltoid-triquetrous, dilated and retuse at 
apex, with toothed angles ... ... .... ... (30) Deltoidea. qu 
Leaves compressed-triquetrous, with dilated keel 
near the recurved apex, not toothed ... ... (28) Dilatata. 4lg 
Leaves attenuated not dilated : 
és Leaves falcate-recurved with obtuse angles (29) Faleata. 420 
Leaves not falcate : 
Leaves triquetrous, carinal angles drawn 
out, often lacerate ; branches 2-edged, 
a kf petals biform ... ... ... ... ... (21) Heteropetals. 4/3 
Ruel aae Leaves subconnate, triquetrous subaci- 
= ce naciform, with smooth angles, ; bran- 
ches subtriquetrous ... ... ... ... (24) Virentia. 4/7 
Leaves subtriquetrous, elongated, acute, 
very smooth ; branches erect, rigid (26) Blanda. 4)8 
Leaves subconnate, triquetrous, with 
ane equal sides, gradually attenuated ; 
eo branches suberect .,. 
‘TI. Perrouara. 
Dwart subshrub with dichotomous branches ; leaves turgid, tri- 
quetrous, whitish, smooth, with cartilaginous margins ; flow- 
ers unknown s eee ee ee 422 
i Flowers cymose or paniculated : 
a) Flowers subpaniculated ; leaves short, triquetrous, carinal 
: angle rough  flawus. Small. while. cr eg ga oss ay 
C-) Flowers subcymose ; leaves elongated, triquetrous, angles : 
smooth Flowers. gneall, whicnpebwose ... ... ... ... (37) Tamidula. 4,26 
Flowers terminal, soli: : : 
Dwarf, procumbent ; leaves beaked-connate, subulate ; 
a flowers pale reddish ... diy tee oes tee vos (QR) ROMA CATE 
| Dwarf, erect or procumbent ; leaves minute, triquetrous, 
e aristate, with large dots ..f¢. Swollrddish ... ... ... (34) Microphylla. 424 
Ee 
oa 
of leaves short ; leaves 3-gonous, semicylin- 
us, without dots ; flowers yellow : 
__ &F croceous. es Us = ee, oe. say 1 oss. (98) CEOEER, 427 
Erect, rigid ; of leaves long ; leaves abbreviate, un- 
ini or elongate, compressed with toothed carinal 
angle ; flowers small, reddish... ... ... .. ... (33) Uncinata. 422 
IV. Terettuscuta. 
Flowers 3-nate or biternate on terminal spines or on spi- 
nous peduncles ; leaves triquetrous, terete, glaucescent, : 
_foorricgoas te ualaeci agate, i ok ee oe 1,30 
Flowers dichotomous, 3-nate or 2-ternate, not on spines 
Or spinous peduneles ; leaves cylindrical, glaucous, de- me 
Flowers solitary or ternate : 
Branches ae not articulate : 
Flowers yellow ; leaves cylindrical, obtuse, mu- 
cronate, weak, withoutdots ... .. ... ... (39) Weruculata. 427 
Flowers red ; leaves subcy ubulate, 
~ 
s+. wes ee (29) Amoena, 45 
ciduous, without dots — ..Newers whi aytiowe Stywask (43) Defoliata. 43t 
"glaucous, dotted ; branches decussate, Sim eet (40) Haworthiana, 428 
