CXLII. XYRIDEZ (BROWN), 
Bracts not ciliolate, entire, lacerate or erosulate. 
+Keel of the lateral sepals quite entire, neither 
. ciliate nor scabrid (see also under fT, as 
the very minute scabridity on the keel of 
some of the species there placed may be 
easily overlooked, unless examined under 
a powerful lens). 
Peduncles 34-12 lin. broad, flattened, 
2-edged ; spike globose ; bracts coria- 
eous straw-coloured, with a green keel 
at the apex . 
Peduncles terete or slightly ‘compressed, 
rarely 2-edged, and then less than 
3 lin, thick, striate. 
Peduncles stout, 1-14 lin. thick ; spike 
globose, dark brown; keel of 
lateral sepals with a very narrow 
wing 3 
Peduncles few, $-1 ae thick ; wiles 
creeping; spike globose or ‘ellipsoid, 
dark brown; keel of lateral sepals 
with a moderately broad wing 
Peduncles rere, filiform or very 
slender, 4-4 lin, thick ; rhizome 
not creeping. 
Leaves subterete or subulate-filiform ; ; 
spikes 15-23 lin. thick, blackish, 
shining . > . 
Leaves linear; spikes small, few: 
flowered. 
Bracts emarginate, slightly re- 
curyed af the apex, fuscous 
witha green keel on the upper 
part . . : 
Bracts obtuse or subacute, not re- 
curved at the apex. 
Keel of the lateral sepals dis. 
tinctly (but usually nar- 
rowly) winged, at least in 
the basal part. 
. Bragts snbeoriaceous, light 
brown, the inner rather 
stoutly keeled on the 
upper half; lateral sepals 
broadly lanceolate, acute 
Bracts very thin, submem- 
-branous, light reddish- 
. brown, with broad trans- 
parent straw - coloured 
margins; lateral sepals 
somewhat oblong-lanceo- 
late, acute . 
Bracts thin, dull purplish, the 
outer nearly as long as 
. the inner; lateral sepals 
[Xyris. 
5. X, anceps. 
6. X. zombana, 
7. X, capensis, 
a Ae Xe, moknensie, 
15. X. humilis. 
16. X. huillensis. 
- 17. X. anisophylla. 
