HEXANDRIA. MONOGYNIA. Juncus. 
445 
thumb and finger. Head usually of three flowers, sometimes two or 
four, not leaning to one side as in the preceding. Caps . chesnut coloured. 
E.) 
(Var. 2. Bractea elongated and acuminate. Brown. E.) 
(Three-flowered Rush. Boggy summits of high mountains. On Tryg- 
vylchau, near Llanberris, and Llyn y Cwm, near Snowdon : east side of 
Craig-Cailleach, above Finlarig, Bredalbane, &c. Lightfoot. In the 
ascent from Llanberris to Glyder, only in one small spot between a little 
eminence called Bryn bras and a rivulet called Avon las. Mr. Griffith. 
On Ben Lomond, abundant. Hr. Hope. Borrowdale, near Keswick. Mr. 
Robson. (On Meldon Fells. Rev. J. Harriman. Winch Guide. Hel- 
vellyn, and most other mountains about Ambleside. Mr. Bicheno. E.) 
P. June—Aug. 
(J. casta'neus. Stem unbranched, leafy : leaves keeled, flat, sheathing 
at the base: heads terminal, mostly in pairs, many-flowered, 
with leafy bracteas : capsule twice the length of the calyx. 
E. Bot. 900— FI. Dan. 1332. 
Stem upright, from a span to a foot high, cylindrical, leafy. Leaves all 
stem-leaves, alternate, upright, flat, strap-shaped, sharp-pointed ; widen¬ 
ing below, embracing and sheathing the stem. Terminal heads two, one 
above the other, sometimes only a single one, dark-brown, shining, often 
four and even six or eight-flowered, rarely three-flowered. Floral-leaves 
one under each flower, a short distance from the calyx, strap-spear¬ 
shaped, acute, brown. Leafits of the calyx spear-shaped, acute, with three 
fibres on the back. Stamens six, hair-like, white, as long as the calyx. 
Anthers terminal, strap-shaped, yellowish brown. Summits strap-shaped, 
flat. Capsule egg-oblong, blunt, black at the apex, slightly awn-pointed, 
twice the length of the cup, three-celled. Sm. Structure of the leaves 
internally cellular, (not so in J. Jacquini), with distant transverse parti¬ 
tions, but not really knotted or jointed. The seeds terminate in a slender 
appendage at each end, as in Narthecium ossifragum • 
This plant most nearly resembles J. Jacquini , but on comparison differs in 
root, stem, leaves, and flowers. 
Clustered Alpine Rush. In micaceous soil in the mountainous marshes 
of Scotland. On Ben Lawers. Mr. Dickson. Ben Challum. Rev. Dr. 
Stuart. Fion Glen, behind Craig Cailleach, Breadalbane. Mr. Borrer. 
County of Durham. Rev. J. Harriman. P. July. E.) 
(J. acutiflo'rus. Leaves apparently jointed, slightly compressed: 
stem without joints: panicle repeatedly forked, dense: calyx- 
leaves all sharp-pointed, shorter than the taper beak of the 
capsule. 
E. Bot. 238. 2143, at the bottom—H. Ox. viii. 9. 1. 
Three or four leaves on the stem. Plant sometimes three feet high. Davies. 
Leaves very distinctly nodoso-articulate when dry. Hook. 
Sharp-flowered Jointed Rush. (Welsh: Brwynen glymmog a blodau 
blaenfain. J. acutifloris . Ehrh. Davies. Bicheno. Sm. J . sylvaticus. 
Willd. J. articulatus. Relh. With. Ed. 4. E. Bot. J, nemorosus. Sibth. 
P. Aug. 
This and the two following newly ascertained species are liable, from the 
attacks of insects, to assume a peculiar appearance, producing bundles of 
