SCIRPUS. 361 



sheaths bear long nearly flat floating leaves. Rivers and ponds. 

 P, VI. VII. Bull Rush. 



1 ?. S. Tabernamontani (Gm.) ; st. round, spikes in a terminal 

 compound panicle, gl. notched mucronate punctate-scabrous 

 fringed, nut compressed roundish-oblong smooth, stigmas 2. R. 

 viii. 307. S. glaucus Sm., E. B. 2321. St. 2 feet high, with 1 

 or 2 long sheaths at the base. Anth. not bearded. Panicle 

 smaller than in the preceding. Lower bract short. Fr. convex 

 on one side. Rivers and ponds. P. VI. VII. 



** Bristles 4 6. Spike solitary, terminal. B.EOTHRYON Dietr. 



8. S. cesspit osus (L.) ; st. nearly round striate with imbricate 

 leafless acute scales and sheaths with short subulate L below, 

 spike terminal solitary ovate few- flowered, gl. ovate membranous 

 pointed, 2 outer gl. as long as the spike inclosing it and termi- 

 nating in long rigid leaflike points, nut obovate oblong mucro- 

 nate smooth, bristles longer than the nut with a few erect teeth 

 near the tip. E. B. 1029. St. 10. R. viii. 300. St. 36 in. 

 long, many, erect, many of them barren. Bristles 6. Barren 

 turfy heaths. P. VI. VIII. 



9. S. pauciflorus (Lightf.) ; st. round striated with a few thin 

 narrow leafless scales and one tight abrupt leafless sheath below, 

 spike terminal solitary ovate few-flowered, gl. ovate keeled mem- 

 branous at their edges, 2 outer gl. obtuse shorter than the spike 

 and inclosing it, nut obovate mucronate finely reticulate-striate, 

 bristles shorter than the nut with declining teeth. E. B. 1 122. 

 St. 10. R. viii. 299. St. 310 in. long, erect, many of them 

 barren. Bristles 6. Boggy moors and heaths. P. VI. VIII. 



10. S. parvulus(R. and S.) ; st. round with one close-pressed 

 leafless sheath, 1. filiform acute radical slightly dilated at the base 

 and clasping the st., spike terminal solitary oval few-flowered, 

 gl. ovate obtuse keeled membranous, 2 outer ones rather longer, 

 nut obovate-oblong mucronate smooth, bristles twice as long as 

 the nut with declining teeth throughout.^. 85. 1. R. viii. 299. 

 Root fibrous with capillary stoles. St. about an inch high, 

 several. St. and 1. with 2 or 3 longitudinal fibres and more or 

 less perfect transverse lines. Bristles 4 6. On a mud-flat 

 near Lymington, Hants. Rev. G. E. Smith. A. VII. E. 



*** Bristles 0. f Spike solitary. ELEOGITON Link. 



11. S.fluitans (L.) ; st. floating branched leafy, 1. fasciculate, 

 fl. -stalks alternate with a sheathing 1. at the base, spike terminal 

 ovate few-flowered, gl. obtuse keeled membranous at their edges, > 

 2 outer gl. larger shorter than the spike and inclosing it, nut ob- 



