166 
105. Juncus. 12. JUNCEAE. 
PI. end. ph. 
16. Juncus triglumis. Three-chaffed junk. 
Leaves subulate; head terminal ; flowers 3, sessile; capsules 
rather obtuse, as long as the perigonium ; hractece 3-leaved, 
as long as the flowers. 
Scirpus q. Juncello accedens graminifolia planta capitulis armeriae pro- 
liferae Lhwyd, Raii Syn. 430, 9 *. 
Juncus triglumis, Lin. S. P. 467. 
Boggy places ; perennial ; July, August. 
Culms 6 in. high ; leaves rather jointed, furrowed, chan- 
nelled ; flowers large, erect, crowded ; hractece ovate, ribbed, 
light brown ; 2 outer largest, opening* so as to make the 
flowers stand all in the same plane ; sepales nearly equal, 
obtuse, the outer brownish green, the inner paler ; capsule 
elliptical, mucronate, obtuse, 3-sided. 
17. Juncus hlglumis. Two-chaffed junk. 
Leaves awlshape ; head terminal ; flowers 2. one pedicel- 
led; capsule longer than the perigonium, tip retuse; hractece 
2- leafed, unequal ; upper leaflike. 
Juncus biglumis, Lin. S. P. 467. 
Moist alpine meadows ; perennial ; August. 
Culm 3 in. high ; leaves jointed ; sheaths broad, scariose ; 
flowers large, facing one way, one above the other; hractece 2, 
unequal ; upper leaflike, erect, acute, doubly striated, dark 
chesnut ; lower shorter, ovate, rather acute ; sepales acute, 
dark chocolate-colour ; capsule long, turbinate, retuse, 
3- sided ; caruncle elongated at each end of the seed. 
18. Juncus castaneus. Chesnut junk. 
Leaves flat, stem-clasping; head terminal, mostly in pairs, 
many-flowered, leafy at bottom ; hractece acute ; capsule 
longer than the perigonium. 
Juncus castaneus, Smith FI. Brit. 383. 
Juncus Jacquini, Symons Syn. 87. 
Micaceous rocks ; perennial; July. 
Root creeping; culm upright, 12 in. high, single, leafy; 
leaves upright, compressed, jointed ; sheath keeled ; heads 
3 to 8-flowered, shining, blackish ; hractece membranaceous, 
linear; capsules oblong, pointed, 3-celled; caruncle of the 
seed awlshape, at each end. 
19. Juncus suhverticillatus . Whor led junk. 
Stem-leaves awlshape, knotted, jointed ; panicle corym- 
bose ; head mostly 5-flowered, fasciculately whorled ; capsule 
as long as the perigonium, obtuse ; perigonium awned ; culm 
lying down. 
