336 
CYPERACEjE. 
finely serrated edyes, nut broadly oblong compressed, glumes with 
an excurrent rib, lowermost bract foliaceous, st. roughish at the 
summit.-— E. B. 1096. Schk. R. and Vv. 61.— St. slender, a foot 
high. Fr. nerved upon both sides. Spike often interrupted below. 
— Marshes near the sea on the eastern coast. P. V. VI. 
8. C. intermedia (Good.) ; spikelets collected into an oblong 
interrupted spike tipper and lower ones fertile intermediate barren, 
fr. ovate-lanceolate nerved narrowly margined bifid with serrated 
edges above, nut (usually abortive) elliptical, glumes shorter than 
the fr. acute the midrib not reaching the summit, st. with scabrous 
angles.— E. B. 2042. Schk. B. 7- H. a. 14.— Height 1—2 feet. 
Fr. slightly widened at the base of the beak which is deeply di- 
vided on one side. Lowermost bract with a slender leafy point. 
— Marshy meadows. P. V. VI. 
9. C. arenaria (L.) ; spikelets collected into an oblong inter- 
rupted spike upper barren lower fertile intermediate barren at the 
end, //•. ovate nerved winged and finely serrate from the middle to 
the bifid summit of the beak, nut bluntly ovate, glumes longer 
than the fr. acuminate, st. scabrous above. — E. B. 928. Schk. B. 
and Dd. 6. H. a. 13. — Height 1 foot. Root creeping extensively 
and binding loose sands. Lowermost bracts with slender leafy 
points. — Sandy sea-shores. P. VI. 
ft Root fibrous. 
10. C. vulpina (L.) ; spikelets compound collected into a cylin- 
drical crowded spike, fr. ovate-acuminate plano-convex nerved 
bifid finely serrate above divergent, nut oval compressed tipped 
with a beak slightly thickened upwards, glumes mucronate shorter 
than the fruit, st. acutely triangular with scabrous angles, bracts 
setaceous.— E. B. 307. Schk. C. 10. H. a. 16.— Height 2 feet. 
St. firm. L. broad. Fr. palish green. Beak of the nut con- 
stricted, its base narrower than the base of the style. — Wet 
places. P. VI. 
11. C.muricata (L.) ; spikelets approximate in an oblong spike 
dense or interrupted below, fr. ovate-acuminate plano-convex 
obsoletely nerved bifid finely serrate above divergent, nut oval com- 
pressed its beak extremely short, glumes mucronate shorter than 
the fruit, st. smooth with rough angles. — E. B. 1097- C. contigua 
H. a. 10. — Height 1 — 2 feet. St. slender. L. narrow. Lower- 
most spikelets not more than their own length distant from each 
other. Fr. with a broad flat beak with very sharp edges. — 
Gravelly pastures. P. VI. 
12. C. divulsa (Good.) ; spikelets distant the upper ones ap- 
proximate, fr. ovate acute plano-convex obsoletely nerved bifid 
smooth ascending : beak slightly rough at the edges, nut ovate- 
oblong compressed its beak extremely short, glumes mucronate 
