CL. VI/] HEXANDRIA MONOGYNIA. 171 



feet high : stalk like the leaves, not quite so high : flowers crowded, pale- 

 green : the whole plant is aromatic, especially the root. Perennial : 

 flowers in May and June : grows on the banks of rivers, having a 

 muddy bottom, in England ; and a few places in the south-west of Scot- 

 land. Eng. Bot. vol. v. pi. 356. Eng. FL vol. ii. p. 157. 525. 



15. JUN'CUS. RUSH. 



Calyx inferior, of six oblong, acute, permanent leaves, three of 

 them internal. Corolla none. Filaments thread-like, short ; three 

 of them sometimes wanting; anthers oblong, erect, two-celled. 

 Germen superior, triangular. Style simple, cylindrical, short ; 

 stigmas three, elongated, downy. Capsule triangular, three-celled, 

 three-valved. Seeds numerous, minute, roundish. Named from 

 jungo, to join, the stems having been employed as cordage. 194. 



* No leaves. 



1. J. acutus. Great Sharp Sea Rush. Straw naked, cylindrical, 

 sharp-pointed ; panicle dense, near the summit ; bractea spinous ; capsule 



roundish, twice as long as the calyx. Root fibrous : straws from three 



to six feet high, erect, straight, stiff: panicle lateral, corymbose, many- 

 flowered : capsule broadly egg-shaped, triangular, sharp-pointed, brown. 

 Perennial : flowers in July : grows on the sea-coast, in deep sand. In 

 Merionethshire, Norfolk, Lancashire, and Devonshire : rare. Eng. Bot. 

 vol. xxiii. pi. 1614. Eng. FL vol. ii. p. 159. 526. 



2. J. maritimus. Lesser Sharp Sen Rush. Straw naked, cylindrical, 

 sharp-pointed ; panicle loose, near the summit ; bractea spinous ; cap- 

 sule oblong, as long as the calyx Root fibrous : straws about three 



feet high, more slender than the last : capsule prismatic. Perennial : 

 flowers in August : grows in salt marshes : rare. En". Bot. vol. xxiv. 

 pi. 1725. Eng. FL vol. ii. p. 159. 527. 



3. /. Bdlticus. Baltic Rush. Straws naked, straight, acute ; panicle 

 erect, branched, few-flowered ; bractea shorter than the panicle ; cap- 

 sule elliptical. Root creeping : straws about a foot high, smooth, 



with brown scales at the base : panicle near the top of the straw, dense : 

 bractea membranous : leaves of the calyx lance-shaped, bluntish, dark- 

 brown. Perennial : flowers in July and August. Discovered by Mr. 

 Drummond, on the sands of Barry, near Dundee : South Uist abundant : 

 Cape Wrath : Morayshire. Eng. Bot. SuppL pi. 2621. Eng. Fl. vol. ii. 

 p. 163. 528. 



4. J, glaucus. Hard Rush. Straw naked, straight, deeply striated ; 

 panicle erect, much branched ; capsule elliptical, pointed, shorter than 



the calyx. Root creeping, black : straws stiff and tough, glaucous, 



deeply striated, about two feet high : panicle about half way between 

 the root and summit, cymose, nearly erect : leaves of the calyx awl- 

 shaped, pale-green, with a broad green line down the middle of the base. 

 Perennial : flowers in July : grows in wet places, by ditches, &c. : com- 

 mon. Eng. Bot. vol. x. pi. 665. Eng. Fl. vol. ii. p. 160. 529. 



5. J. effiisus. Soft Rush. Straw naked, straight, faintly striated ; 

 panicle loose, repeatedly compound ; capsule obtuse, a little shorter than 



the calyx. Root creeping : straws soft and pliant, pale-green, about 



two feet high : panicle very loose, about half way down the straw : 



