jUNCus. 339 



ceding, but the caps, much smaller. St. green. — In wet places, 

 rare? P. VII. VIII. E. S. 



7. J. balHcus (Willd.) ; st. naked very faintly striate rigid, 

 pith continuous, panicle erect slightly branched, segments of 

 perianth ovate-lanceolate acute, caps, elliptical scarcely trigonous 

 obtuse mucronate.—B.B.S. 2621. Si. 71.2. R.ix. 411.— Root 

 creeping widely. L. none or reduced to very minute points at the 

 top of the sheathing scales. — Distinguished from J. arcticns by 

 its rounded not trigonous capsules ; from J. glaucus by its far- 

 creeping root, scarcely striated st. and continuous pith. — Sandy 

 and wet sea-coasts. P. VII. S. 



8. J. filiformis (L.) ; st. naked filiform faintly striate, panicle 

 simple of few (about 7) fl- placed near the middle of the St., seg- 

 ments of perianth lanceolate acute, caps, roundish-obovate obtuse 

 mucronate.— £. jB. 1175. St. 36. 10. R. ix. 412.— L. none or 

 as in the preceding plants. St. remarkably slender, about 1 ft. 

 high ; small panicles placed very low. — Stony margins of lakes in 

 the north. P. VII. E. S. 



*** No barren stems. 

 t n. capitate or solitary and terminal. Seeds appendaged. 



9. J. castaneus (Sm.) ; st. hearing 2 — 3 channeled I., heads 

 terminal solitary or 2 or 3, segments of perianth elhptic-lanceo- 

 late acute half as long as the ovate-oblong pointed trigonous 

 capsules, root creeping. — E. B. 900. St 71. 14. R. ix.393. — St. 

 8 — 12 in. high. Root with lax runners. Caps. chocolate-coloured. 

 Filaments about twice as long as the anthers. — Micaceous moun- 

 tain bogs at a great elevation, rare. P. VII. VIII. E. ? S. 



10. J. triglumis (L.) ; st. naked round, 1. radical subulate chan- 

 neled, head solitary terminal of 1 — 3 erect fl. usually equallmg 

 the membranous bract, segments of the perianth elliptical-oblong 

 obtuse falling rather short of the ovate-oblong obtuse-mucronate 

 caps., root cmspitose.—E. B. 899. St. 28. 3. R. ix. 392.— 

 Scarcely creeping. St. several from one root, 3—6 in. high, per- 

 fectly round. Caps, chestnut-coloured. — Boggy places on moun- 

 tains. P. VII. VIII. E. S. 



11. /. biglumis (L.) ; st. naked channeled on one side, 1. radi- 

 cal subulate compressed (not channeled), head solitary terminal 

 of 2 unilateral fl. one of which is stalked and usually falls short 

 of the leaflike bract, segments of perianth oblong-obtuse falling 

 rather short of the turbinate retuse caps., root fibrous. — E. B. 



ggg St. 2 — 4 in. high, seldom more than one from each root. 



Caps, light brown with purple margins. — Boggy spots on moun- 

 tains, rare. P. VIII. S. 



a 2 



