426 90. JUXCACEJE. 



7. J. bal'ticus (Willd.) ; st. very faintly striate rigid, pith 

 continuous, panicle erect slightly branched, per.-spgm. ovate- 

 lanceolate acute, caps, elliptic scarcely trisronous blunt mucro- 

 nate. E. B. S. '262L St. 71. 2. R. ix. 411. Creeping widely. 

 L. none or very minute points at the top of the sheathing 

 scales. Distinguished from J. arcticus by its rounded not tri- 

 gonous capsules ; from J. inflexus by its far-creeping rhizome, 

 scarcely striate st. and continuous pith. Sandy and wet sea- 

 coasts of Scotland. P. VII. 8. 



8. J. filifor'mis (L.) ; st. filiform faintly striate, panicle simple 

 of few (about 7)jft. placed near the middle of the st., per.-segm. 

 lanceolate acute, caps, roundish obovate blunt mucronate. 

 E. B. 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. Rhizome creeping. Stony 

 margins of lakes in the North. P. VII. E. S. 



*** Stems mostly leafy, none barren. 

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



9. J. castdneus (Sm.) ; st. with 2 3 channelled /., cymes 

 terminal solitary or 2 or 3, per -segm. elliptic-lanceolate acute 

 half as long as the ovate-oblong pointed trigonous capsules, 

 creeping. E. B. 900. St. 71. 14. R. ix. 393. St. 812 in. 

 high. Hoot with lax runners. Leaflike bract exceeding the 

 flowers. Caps, chocolate-coloured, about J inch long. Fila- 

 ments about twice as long as the anthers. Micaceous mountain 

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



10. J. triglumis (L.) ; st. leafless round, I. radical subulate 

 channelled bitubular, 2 or 3 fl. terminal erect usually equalling 

 the membranous bract, per.-segm. elliptic-oblong blunt falling 

 rather short of the ovatc-oblonq blunt mucronate caps, ccespitose. 

 E. B. 899. St. 28. 2. R. ix. 392. St. several from one 

 root, 3 6 in. high, perfectly round. Leaflike bract equalling 

 or falling: short of the flowers. Caps, chestnut-coloured. 

 Boggy places on mountains. P. VII. VIII. E. S. 



11. J. biglumis (L.) ; st. leafless channelled on one side, I. radi- 

 cal subulate compressed (not channelled, nor bitubular), fl. 2 uni- 

 lateral upper which is stalked usually falls short of the leaflike 

 bract, per.-segm. oblong blunt falling rather short of the turbi- 

 nate retuse trigonous caps., root fibrous. E. B. 898. St. 2 4 

 in. high, seldom more than one from each root. Caps, light 

 brown with purple margins. Boggy spots on mountains, rare. 

 P. VIII. S, 



