HEXANDRIA— MONOGYNIA. Juncus. 163 



About the margins of lakes in the North, but very rare. 



Near Ambleside, Westmoreland ; Mr. Newton. Ray. At Win- 

 dermoor in Cartmel, Lancashire ; Mr. Jackson. With. Near 

 Derwentwater, Cumberland ; and on Ben Lawers, Scotland. 

 Mr. Dickson. In several parts of Scotland. Mr. G. Don. 



Perennial. August. 



Root creeping. Stems about a foot high, very slender, pliant, light 

 green, drooping or curved above the panicle, which is usually 

 situated about the middle, and consists of from 5 to 8 green 

 Jlowers, not more than 2 on each stalk, with a taper-pointed 

 bractea at the base of the whole. Cahjx obscurely ribbed. Caps. 

 nearly as long us the calyx, tumid, and almost globose, with a 

 small point. There are often a few barren stems. 



Mr. Bicheno has always found 6 stamens in this species, though he 

 has frequently observed but 3 in the effusus, 



7. J. arcticus. Arctic Rush. 



Stem naked, straight, acute. Panicle towards the summit, 

 dense, capitate, of few flowers. Bractea shorter dian the 

 panicle. Capsule oblong, bluntish. 



J. arcticus. Willd. Sp. PL v. 2. 206. Wahlenh. Lapp. 79. Hook. 

 Scot. 1 04. 



J. effusus /3. Linn. Suec. ed. 2. 111. Fl. Dan. t. 1095 (not 1035). 



J. n. 1 16. Linn. Lapp. ed. 1. 85. ed.2. 90 ; excluding J. Jacquini, 

 and the synonyms of Scheuchzer and Rudbeck. 



On the eastern coast of Scotland, very rare. 



On the sands of Barry, near Dundee ; Mr. Drummond. Hooker. 



Perennial. July, August. 



Root creeping extensively. Stems from 8 to 12 inches high, much 

 stouter than the last, erect, quite smooth, acute, somewhat 

 pungent 5 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 Jlower- stalks, at its base. Fl. few, crowded, 

 oblique, with several tliin, broad, interior bracteas. Calyx-leaves 

 lanceolate, bluntish, of a dark shining brown, with a pale keel. 

 Caps, about the same length, oblong, obtuse with a small point. 

 — From the descriptions of Wahlenberg and Hooker, compared 

 with Lapland specimens. Schleicher seems to have found the 

 same plant in Switzerland. 



* * Herb leafy. 



8. J. trifidus. Three-leaved Rush. 



Stem naked. Radical leaves very few. Bracteas three, 

 leafy, channelled, with from one to three terminal flowers. 



J. trifidus. Linn.Sp.Pl.AQb. Willd. v. 2. 208. Fl.Br.378. Engl. 



M 2 



