Pl.end.ph, 12. JUNCEiE. 105. Juncus. 165 



Rool fibrous ; culm bulbose at bottom, leafy, slender, 

 branching above ; branches divaricated ; leaves crowded, 

 bristlehke, smooth, cellular ; cells in a double row, alter- 

 nating ; heads 3-flowereil, lateral and terminal, sessile ; 

 Iractece small, scariose, shorter than the flowers ; sepales 

 equal, lanceolate, pointed, 3-ribbed ; edge scariose, dark 

 brown red, keel green ; capsule acute, 3-sided, obtuse, opake, 

 rather longer than the perigonium. 



(3. vivjparus. Capsule gemmiparous, Iractece lengthened 

 out like the leaves. 



Juncus nliginosus, With. Bot. An: 348. 



14. Juncus sup'mus. Downlying junk. 

 Leaves channelled, threadshape ; head 3-flowered, ter- 

 minal, facing one way ; bractece bristlelike, leafy; capsule 

 nearly as long as the perigonium. 



Juncus supinus, Hoff. Germ. 125. 

 Juncus capitatus, Weigel Ohs. Bot. 28. 

 Schcenus minimus, Symons Si/n. 197. 

 Juncus verticiilatus jS, IVilld. S. P. 2, 212. 

 Dwarf rush. 



Bogs ; perennial ; July. 



Root fibrous, bulbose at bottom ; culm erect, simple, 3 in. 

 high; leaves threadshape, channelled, cellular; Jiowers 

 3 together, terminal, clustered ; bractecB bristlelike, one or 

 more, frequently leaflike, longer than the flowers, and 

 forcing them on one side; lohes of the perigonium lanceo- 

 late, chesnut colour; capsule oblong, rather obtuse, 3-sided.^ 



c. Leaves jointed. 



15. Juncus flidtans. Floating junk » 

 Leaves cylindrical, bristlelike, rather nodosely jointed ; 



heads 3-flowered ; Jiowers sessile ; culm bulbose, slender, 

 rooting ; capsule obtuse, longer than the perigonium. 



Juncus uliginosus y, Bicheno T. L S. 316. 

 Juncus fluitans, La March Encyc. Method. 3,270. 

 Juncus nliginosus, Fl. Dan. 817. 

 Juncus subverticillatus, Ho^m. Germ, 3, 166. 



Watery places ; perennial ; July, 



Very like isolepis fluitans; culm slender, feeble, 3<)ating| 

 leaves long, threadshape, slender ; panicle spreading, S or 

 ^-flowered, subproliferous. 



