Cyperus. | CXLITI, CYPERACEX. 
Slender Loewe Spikelets or d termin: 
Glumes with 3 or 4 prominent n E on =e side 
and broad nerveless nani, Leaves almost 
Spikelets clustered. Nuts more than half the glume 
Spikelets solitary or 2 together. Nuts scarcely 
alf the glume. 
Glumes with 1 nerve on the middle of cach side. 
Leaves linear, often 1 line broad . 
ip oe on itsbered or capitate, the clusters or 
heads solitary or in an umbel of few rays. Glumes 
ith in prominent eg c or recurved point. Small 
annuals (Squarros 
Keet ofi the glumes er in a oor ro ie laa — 
Nuts 
s withou eless mar; 
kas aei cloud prii r capitate in an umbe 
iAd r the giana rarely solitary. Nuts 
as Tur rg me (INigricantes). 
sitet y all and numerous in dense Caper heads. 
orbicular not 3 line lon 
Spikelets “spreading, in dietas of 3 to 6. Glumes 
8 
pikelets pale or brown, clustered capitate or solitary on 
of an umbel. oad, not above 4 the 
rood (exept E ir) cepa essi). 
Inv ihe equal, 1 or 2 longer than the 
— Py 
cm few weak. Spikelets pure à 
eps ie [ara vith 1 nerve in the middl 
o 
Umbel-rays numerous 
Stems imet, v d ctam or flat. Spikelets small, 
Stems ec Tay at the base. Spikelets very fiat, 
ood T onm Glumes brown with w 
Involucral tracts 6 or more long leafy and d unequal. 
mbel rays loti numerous kad slender 
spikelets solitary on each ray cM 
In men in elusters of 3 or 4 on each ra . 98. 
‘volucral bout 6, nearly equal, rigid, erect or 
m 
e 8. 
Spikelets pale or dark brown, clustered on the rays o of an 
a Nut narrow, nearly or quite as long 
Spice on 
elets small and e in big Lori 
ambal or or compound glatt, "lunes tip posl wit 
- 
e 
16. 
= m 
Sas 
w 
> 
2 
1 
d. 
bo 
. C. gracilis. 
C. enervis. 
C. debilis. 
. C. levis, 
Q. castaneus. 
C. cuspidatus. 
C. squarrosus. 
. €. difformis. 
. 23. C. tetraphyllus. 
t2 
e 
. C. trinervis. 
. C. Haspan, 
C. concinnus. 
C. filipes. 
: €. pedunculosus. 
. C. vaginatus, 
. €. holosehanus. 
. €. dactylotes. 
. $2, € Gilesii. 
