350 
91. CYPERACE-E. 
C. SciRPUS Linn. 
* Bristles 6. Spikes numerous. 
t St. triangular ; panicle leafy. 
1. S. maritimus (L.); spikes stalked or sessile in a dense ter- 
minal cluster, bracts several leaflike, glumes bifid with an in- 
termediate ])oint : segments acute, nut obovate trigonous smooth. 
— E. B. 542. St. 13. .3. R. viii. 7-fi- 7-7- 7-S. — St. 1 — 3 feet high, 
leafy. Spikes large, sometimes solitary. Stigmas 3, or rarely 2. 
— Salt marshes. P. VII. 
2. S. sylvaticus (L.) ; spikes clustered in a large cymose very 
compound terminal panicle ; clusters stalked and sessile, general 
bracts several leaflike, glumes obtuse with a minute apiculus, 
nut obovate obtusely trigonous. — E. B. 919. Sf.3fi.8. 71. viii. 731. 
— St. 2 — 3 feet high. Spikes very numerous, small, greenish, 
ovate. L. broad, flat. Stigmas 3. — [S. radicans (Schk.), spikes 
all stalked, scions long and rooting, rvill probably be found.] — 
Damp woods and banks. P. VII. 
tt Stem triangular ; panicle naked. 
3. S. carinatus (Sm.); st. round below obtusely trigonous 
upwards, spikes in a small cymose panicle, glumes emarginate 
mucronate slightly punctate-scabrous and pilose fi'inged, nut “con- 
vex on the back smooth.” — E. B. 1983 (1809). S. Duvalii St. 36. 2. 
(1814), Koch, R. viii. 724. — Roth (Enum.) refers his S. trigonus 
to S. triqueter, and his S. triqueter to S. Rothii. — St. 2 — 4 feet 
high, convex between the angles, with 1 or 2 long sheaths at the 
base, the upper sheath in all my sjrecimens terminates in a leaf 
of 3 or 4 in. long ; most authors describe the ])lant as leafless. 
Lower bract much longer than the jianicle. Stigmas 2.— By 
rivers, near Loudon and in Sussex. P. VI. VII. E. 
4. S. triqueter [h.); st. acutely triquetrous throughout, spikes 
in a small cymose panicle, glumes emarginate mucronate glabrous 
fringed : lobes rounded obtuse, nut “ roundish-obovate plano- 
convex smooth.” — £. B. 1694. St.'SG.S. jR. viii. 719. — St. .3 — 4 
feet high, flat or concave between the angles, with 1 or 2 long 
sheaths at the base the upper one terminating in a very short 
broad triquetrous leaf. Lower bract long and rigid, resembling 
a jjrolongation of the stem. Spikelets small, stalked and sessile. 
“ Anth. with a short beardless point.” Stigmas 2. — Muddy banks 
of the Thames near Loudon; and the Ai-un, Sussex. P. VIII. 
5. S. Rothii (Hoppe) ; st. acutely triquetrous throughout, 
spikelets few sessile, glumes bifid mucronate smooth : lobes acute, 
nut roundish-obovate plano-conve.x smooth. — S. pungens (Vahl) 
E. B. S.2'6VJ. R. viii. 717- 713. Sf. 36. 4. S. tenuifolius DC. 
