CL. III.] TRIANDRIA MONOGYNIA. 67 



two to five inches high : spikes from one to three, egg-shaped, 

 greenish-brown. Annual : flowers in July and August : grows 

 in moist sandy or gravelly places. Eng. Bot. vol. xxiv. pi. 1693. 

 Eng. Fl vol. i. p. 59. 80. 



7. S. Sdvii. Sams Club-rush. Stem bristle-like, leafy at the 

 base ; spikes few, sessile ; fruit nearly round, rough with small 

 points ; stamens three. Perennial : flowers in July and Au- 

 gust : grows in wet bogs : not common. Common in Ireland, and 

 in the West of England and Scotland. Channel Islands. Eng. 

 Bot. Suppl. pi. 2782. Brit. Fl. 4th ed. p. 26. 81. 



8. S. caricinus. Compressed Club-rush. Stem roundish, leafy 

 at the base ; spikes collected into a two-rowed cluster ; bractea 



leafy, surmounting the spikes ; leaves flat, keeled. Stem about 



a foot high, simple : leaves keeled, rough on the edges and keel : 

 spikes chestnut brown. Perennial : flowers in July : grows in 

 boggy places. Eng. Bot. vol. xi. pi. 791. Eng. Fl. p. 59. 82. 



9 . S. rufus. Brown Club-rush. Stem round, leafy at the base ; 

 spikes collected into a two-rowed cluster ; bractea short ; leaves 



channelled. More slender than the last : stems about six inches 



high : leaves shorter and bristle-like, not flat or keeled : spike dark 

 brown. Perennial: flowers in June and July: grows in boggy 

 places. Eng. Bot. vol. xv. pi. 1010. Eng. Fl. vol. i. p. 60. 83. 



*** Stem triangular, bearing several panicled spikes. 



10. S. triqueter. Triangular Club-rush. Stem acutely triangu- 

 lar ; spikes lateral ; stigmas two. Stems three feet high, acutely 



triangular, with the sides hollowed, the point erect and sharp : a 

 single, short leaf: spikes egg-shaped, in a panicle coming from the 

 side of the straw, near the top. Perennial : flowers in July and 

 August : grows on the banks of large rivers exposed to the tide, 

 as of the Thames, both above and below London : rare. Eng. Bot. 

 vol. xxiv. pi. 1694. Eng. Fl. vol. i. p. 60. 84. 



11. S.carindtus. Blunt-edged Club-rush. Stem bluntly triangu- 

 lar ; spikes terminal ; stigmas two. Stems triangular, with the 



sides convex : panicle terminal, with a longish bractea : spikes 

 egg- shaped, brown. Perennial : flowers in July and August : 

 grows on the banks of large rivers exposed to the tide ; along the 

 Thames, &c. : rare. Eng. Bot. vol. xxviii. pi. 1983. Eng. Fl. vol. 

 i. p. 61. 85. 



12. S.maritimus. Saltmarsh Club-rush. Stem triangular ; pa- 

 nicle terminal, leafy; scales of the spikes three-cleft, the middle 



segment awl-shaped ; stigmas three. Stem from one to three 



feet high, leafy at the base and summit : leaves keeled, rough at 

 the edges : spikes egg-shaped, reddish-brown. Perennial : grows 

 on the banks of large rivers exposed to the tide, and in salt 

 marshes : not uncommon. Eng. Bot. vol. viii. pi. 542. Eng. Fl. 

 vol. i. p. 62. 86. 



13. S. sylvdticus. Wood Club-rush. Stem triangular, leafy; 

 cyme terminal, repeatedly compound, leafy ; scales of the spikes 



entire ; stigmas three. Stem from two to three feet high, leafy : 



leaves flat, rough at the edges and keel : spikes small, very nume- 

 rous, dark brown, arranged in a compound panicled cyme. Pe- 

 rennial : grows in moist woods : flowers in July : common in Ire- 

 land, less so in England. Eng. Bot. vol. xiii. pi. 919. Eng. Fl. 

 vol. i. p. 62. 87. 



