162 105. Juncus. 12. JUNCE^E. Pl.eiid.ph. 
Root black, creeping ; culm 3 feet high, pale green, soft, 
brittle, very finely streaked ; sheaths light brown, obtuse, 
awned; panicle very much effused and divaricated at the tip; 
involucrum small, white, slightly sheathing ; flower small ; 
hractece very small, white, pointed ; lobes of the perigonium 
lanceolate, linear ; edge white ; ribs 2, slightly prominent ; 
capsule small, obovate, slightly retuse, very blunt, pale 
brown, not shining ; style falling off. 
6. Juncus jiliformis. Threadshape junk. 
Culm naked, threadshape, drooping ; panicle lateral, 
scarcely branched, few-flowered ; capsule roundish. 
Juncus parvus, calamo supra paniculam compactam lougius preducto, 
Raii Syn. 432, 6. 
Juncus filiformis, Lin. S. P. 467. 
Least rush. 
Mountain pastures ; perennial ; August. 
Root creeping, horizontal, fibrous, slender, long ; culm 
upright, threadlike, 6 in. high ; tip pointed and channelled ; 
light green ; sheaths few, unequal, cut, obtuse, awned, or 
slightly leafy ; panicle about the middle of the culm ; flowers 
nearly sessile becoming peduncled; involucra small, scariose; 
upper long, bristlelike; edge of the pit broad, scariose; 
hractece scariose, unequal; sepales 3-ribbed; capsule globose, 
obtuse, shining, the length of the perigonium. 
b. Leaves channelled. 
7. Juncus squarrosus . Scurfy junk. 
Culm naked ; leaves bristlelike, channelled ; panicle ter-? 
minal, long ; capsule obovate, obtuse. 
Juncus montanus palustris, Raii Syn. 432, 7. 
Juncus squarrosus, Lin. S. P. 465. 
Moss rash. Goose corn. 
Barren mountain heaths; perennial; June, July. 
Root fibrous ; leaves densely tufted, bristlelike, stiff, slen- 
der, pointed, smooth, dilated at bottom, sheathing; outer 
sheaths scaly, striped, broad; culm leafless, 12 inches 
long, strait, stiff, inclining to angled ; panicle upright, 
branched, clustered; floral leaves membranaceous, cut, 
sheaths ending in a bristleshape leaf as long as the panicle; 
peduncles 1 or 2-flowered ; flowrets large; hractece ovate, 
acute, tip scariose ; sepales nearly equal, lanceolate, obtuse ; 
edge scariose ; capsule obovate, 3-sided, obtuse, mucronate. 
