CXXII. IRIDEX. 399 
e peculiar inflorescence of the fl d Iridee d 
generally noticed. 1t is a kin e, each flower terminates an axi j n 
ü y the development v an axillary bud between the subtending bract and t 
flower, which becomes o to the bract. of the same node. As these subtend- 
ing bracts are not ^x posed d unilateral as in the ordinary forked cyme, but alter- 
nate Qus the branc e rhachis assumes a zigzag not a scorpioid character. 
Stam 
Rad with 3 large outer and 3 very small inner seg- 
ments. — tig ger than the anthers, with 3 broad- 
ne g lam 
Spike or cluster Morale and tesa or rarely lateral also. 
h 
Only two anthers 1. DiPLARRHENA. 
Spike Tolita ary and t erminal, ‘the outer bracts enclosing 2 
_ Sessile spikelets. Three anthers 2, PaTERSONIA, 
Perianth with 6 nearly roa pr spre readin ng segme ents, St yle 
divided into 3 oblong petal-like “ener opposite to Be 
arching over the anthers 3. Monza. 
Perianth Mig 6 spreading segments. Style shorter than ‘the 
stam 
dilate n he end or acute. 
Periti segments nearly equal. Outer bracts erect and - 
close 
Filamen nts fr free. Ovary and capsule omnes sessile or 
y 4. ORTHROSANTHUS. 
Filaments connate below the middle or to the top. Ovar ry à 
and capsule obovoid or globular on long M pons oH > 5. SISYRINCHIUM. 
ler or rarely 
nearly equal to the inner ones, Bra <a ms nous : 
SPS o. ANM ay TRE . 6. LIBERTIA. 
Stame 
Perianth- -segments nearly equal . 
esides the above, several South African j Titli hive adcaatoually been found to have 
Sadaned eg i ardens. Amongst them F. Muellers collection — 'richonema 
ocho er, Watsonia angusta, Sweet, Sparaxis tricolor, Bot. Mag., and Iris 
spuria, Hus, var. halophila. 
1. DIPLARRHENA, Labill. 
Perianth slightly i irregular, divided to the ovary into 6 segments, the 
three outer erect at the Le 
EN petal-like laminz jours the sti igmas arger fd) the 
ers. Capsule oblong, acutely 3-angled, locuicidlly 3-valved, the 
perio somewhat coriaceous. . Se eds orbicular, flat. —Herbs with a 
very short rhizome or leafy base. Leaves TM os radical, long and 
Sir ne erect, simple or branched. Flowers rather vedi pedis, 
si ike or baceous 
"i e genus is (mail to ae ae "idis 
Stems 1 to 2 ndn high. icem — pras ti in. broad. s 
white . . . 1. D. Morea. 
