HEXANDRIA. MONOGYNJA. Juncus. 441 
Least Rush. About the margins of lakes in the north ; very rare. Near 
Ambleside. Mr. Newton, in Ray. At Windermoor in Cartmel, Lanca¬ 
shire. Mr. Jackson. Derwent-water, Cumberland. Mr. Winch. On 
Ben Lawers. Mr. Dickson. P. Aug. E.) 
(J. arc'ticus. Stem naked, straight, acute: panicle towards the 
summit, dense, capitate, of few flowers : bractea shorter than the 
panicle: capsule oblong, bluntish. 
Hook. FI. Lond. 152— FI. Dan. 1095. 
Stems eight to twelve inches high, much stouter than the last, erect, quite 
smooth, acute, somewhat pungent; with several obtuse, light brown, 
sheathing scales at the base. Panicle capitate, within little more than 
an inch of the summit, having a rather membranous, concave, obtuse 
bractea , longer than the flower-stalks at its base. FI. few, crowded, 
oblique, with several thin, broad, interior bracteas. Calyx-leaves lanceo¬ 
late, bluntish, of a dark shining brown, with a pale keel. Caps, about 
the same length, oblong, obtuse, with a small point. Hook. Sm. 
Arctic Rush. Very rare : hitherto only observed by Mr. Drummond, on 
the sands of Barry, in a low valley near the sea, near Dundee, in great 
abundance. P. July—Aug. E.) 
(2) Herb leafy. 
(J. trif'idus. Stem naked: radical leaves very few : bracteas three, 
leafy, channelled, with from one to three terminal flowers. 
Dicks. H. S.—F. Bot. 1482— Light/. 9. 1—Jacq. Hort. 4. 1— FI. Dan. 107 
—C. B. Pr. 22. 2— Th. 185. 2. 
Stems crowded, erect, slender, thread-shaped, striated, about a span high, 
naked, except at top and bottom. Radical leaves one or two, with a 
tight sheathing base, very narrow, channelled, acuse, nearly upright, 
much shorter than the stem, frequently wanting ; their sheaths enveloped 
with several imbricated, membranous scales, of a light shining brown. 
Bracteas three, rarely but two, at the top of the stem, resembling the 
radical leaves, though generally longer, nearly erect, dilated, membra¬ 
nous, frequently abrupt or auricled at their base. FI. terminal, one, two, 
or three sessile or stalked, erect, with two interior membranous brown 
bracteas. Calyx-leaves dark brown, acute, ribbed. Filam. very short. 
Anth. linear, oblong. Caps, elliptical, pointed, rather longer than the 
calyx. Seeds large, not very numerous. 
Three-leaved Rush. Alpine bogs of Scotland. Mountains about In¬ 
ver caul d, copiously. Mr. Brown. Ben Lawers and Ben-v-Gloe. Mr. 
Winch. P. July. E.) 
(J. squarro'sus. Stem naked: leaves numerous, radical, channelled: 
panicle terminal, compound, with cymose branches. 
E.Bot. 933— FI. Dan. 430— H. Ox. viii. 9. 13. 
Root rather woody, with long, stout fibres. Stems solitary, erect, about a 
foot high, simple, naked, smooth, bluntly triangular, a little glaucous. 
Leaves numerous, all radical, somewhat spreading, three or four inches 
long, rigid, linear, narrow, acute, channelled, smooth, dilated and sheath¬ 
ing at the base. Panicle of three or four alternate, cymose, bracteated, 
upright branches, with a very few flowers on each. Bracteas membra¬ 
nous, sheathing; the lowermost with a short leafy point. Calyx-leaves 
lanceolate, of a shining brown; membranous at the edges; the keel 
