500 



JUNCACE^ 



flowers 2 — 3 together, brown, in a terminal panicle ; perianth- 

 leaves ovate-lanceolate, as long as the blunt, bristle-pointed cap- 

 sule. — Moors and heaths ; abundant. — Fl. June, July. Perennial. 

 13. /. tenuis (Slender Rush). — Stems about a foot high, 

 cylindric, very slender ; leaves few, mostly radical, linear, 

 grooved ; iiowers pale, some stalked, others not, in terminal 

 panicles, shorter than the long, erect, thread-like bracts ; perianth- 

 leaves lanceolate, longer than the spherical capsule. — Moist, sandy 

 places, chiefly in the north and west ; very rare.^ — Fl. June — 



August. Perennial. 



14. /. conipressus (Round 

 fruited Rush).— A slender plant, 

 about a foot high, with tufted 

 stems, hollow, round, and leafy 

 below, compressed above, with 

 one linear, grooved leaf above ; 

 -flowers brown, in a compact 

 terminal panicle ; perianth-leaves 

 oval-oblong, shorter than the 

 nearly round, bristle-pointed cap- 

 sule. — Damp places ; rare. — Fl. 

 June — August. Perennial. 



15. /. Gerdrdi (Mud Rush).— 

 Stems less-tufted, 3-sided above; 

 perianth-leaves as long as the 

 strongly mucronate capsule. — Salt 

 marshes; common. — Fl. June — 

 August. Perennial. 



■5f-^ Perennial ; stems solid ; leaves 

 hollow, jointed internally 



16. /. sub-nodulosus (Blunt- 

 flowered Jointed Rush). — Erect, 

 2 — 3 feet high; stem and leaves 



flowers in clusters of 3 — 8, in repeatedly 



corymbs, pale, often reddish ; perianth- 



as the ovate, mucronate, pale brown 



not common. — Fl. July — September. 



JUNCUS supiNUS {Lesser Jointed Rush). 



smooth and round ; 

 branched, spreading 

 leaves blunt, as Ion 

 capsule. — Marshes ; 

 Perennial. 



17. J. acutiflorus (Sharp-flowered Jointed Rush). — Stem erect, 

 I — 2 feet high, slender, slightly compressed, 3 — 4 leaved ; leaves 

 slightly compressed, very conspicuously jointed when dry ; flowers 

 dark chestnut brown, "in dense clusters of 3 — 12, in a terminal, 

 pyramidal, compound panicle ; perianth-leaves acuminate, barely 



