SCIfiPUS. 
361 
4. S. triqtteter (L.) ; d. acutely triquetrous throughout, spikes 
in a small cymose panicle, gl. notched mucronate glabrous fringed 
■with rounded blunt lobes, nut rouudish-obovate plane-convex 
flmooth/'— ^. B. 1694. St. 36. 3. R. viii. 305.— St. 3—4 feet 
high, with concave faces ; 1 or 2 long sheaths at the base, the 
uppermost ending in a short broad triquetrous leaf. Lower 
bract long and rigid, resemblino: a prolongation of the stem. 
Spikelets small, stalked and sessile. Anth. with a short beard- 
less point. Stigmas 2. — Muddy banks of the Thames near 
London ; the Arim, Sussex ; and the Tamer near Calstock, 
Cornwall. V.YITI. E. 
\_S. pun' gem (Vahl) ; st. acutely triquetrous throughout, spike- 
lets few sessile, gl. notched mucronate smooth \vith acute lobes, 
nut roundish-obovate plane-convex smooth. — £. B. S, 2819. 
M. viii. 304. St. 36. 4.— St. fi-om 6—18 in. high, slender ; with 
several sheaths at the base ending in long narrow keeled leaves. 
Lower bract very long and rigid, resembling a prolongation of the 
stem. Spikelets large, ovate, blunt, all sessile. Anth. with a 
subulate fringed point. Stigmas 2. — St. Ouen's Pond, Jersey. 
P. VI. vn.] 
ttt Stem terete. 
5. & lacus'tris (L.) ; spikes in a terminal twice-compound 
panicle, gl. notched mucronate glabrous fringed, tiut bluntly trigo- 
nous oboi-ate, stigmas S.—E. B. 666. St. 36. 1. B. viii. 306.— Far- 
creeping. St. 4 — 6 feet high, naked ; with 1 or 2 long sheaths 
at the base. Anth. beai-ded at the end. Panicle terminal. The 
bract sometimes resembles a continuation of the stem. Some- 
times it has long nearly flat floating leaves, — Rivers and ponds. 
P. \T:. vn. Bulrush. 
6 ?. & TaberntBmontdni (Gm.) ; spikes in a terminal compound 
panicle, gl. notched mucronate asperous fringed, mit compressed 
roundiifh-obloiig smooth, stigmas 2. — R. viii. 307. S. glaucus 
Sm., E. B. 1^321.— Creeping. St. 2 feet high, with 1 or 2 long 
sheaths at the base. Anth. not bearded. Panicle smaller than 
in the preceding. Lower bract short. Fr. convex on one side. 
—Rivers and ponds. P. \l. XU. E. S. I. 
** Bristles 4 — 6. Spike solitary, terminal. BiBOTHEYON Dietr. 
7. S. caspitdsus (L.) ; st. terete striate with imbricate leafless 
acute scales and sheaths with shoH subulate I. below, spike ovate 
few-flowered, gl. ovate membranous pointed, 2 outer gl. as long 
(ts the spike inclosiiig it and ending in long rigid leaflike points, 
nut obovate oblong mucronate smooth, bristles longer than the 
nut with a few erect teeth near the tip.— B. 1029. St. 10. 
IR, viii. 300. — St. 3 — 6 in. long, many, erect, many of them 
barren. Bristles G. — Barren twxh heaths. P. \'I. — Vill. 
E. S. I. 
B 
