1014 
(Ly Je columbianus Cov. Stems gregarious rather than tufted, 20-40 em, tall, 
1-1.5 cm. in diameter from slender rootstocks; the leaves 1/2 - 2/3 the 
length of the stems, the basal expanded and sheathing, 3-6 mm, wide, the 
stem leaves with auricles decurrent for 1-3 cm., all distinctly but not 
sharply septate; the 5-10 glomerules tending to globose, 7-9 mm, in diameter, 
light brown; bractlets broadly ovate, shortly aristate, 3-4 mm, long, 
scarious; perianth segnents 3-4 mm, long, oblong-lanceolate, acuminate, 
subaristate, the midrib green, becoming coppery and scarious; stamens about 
1/2 the length of the segments, the anthers subequal to che filaments; 
capsules oblong, somewhat shorter than the perianth-segments, obtuse, 
tipped by a short beak, coppery; seeds apiculate at each end, ovate-ellip- 
tical, .5 mm, long or less, areolate, the areole microscopically lineolate, 
(J, nevadensis Wats. var. columbianus (Cov.) St. John). 
w Broad stream bottoms and lake shores below 3000 f%. Priest Lake ; 
Potlatch; Lake Pend Oreille; Lake Tessemini,. 
G2J> J. nodosus Le Stems pliant, 20-50 cm, tall, each arising from a tuber@ =| 
like thickening in the scaleless rootstocks; leaves subequal to or longer 
than the stems, 1-2 ma, in diameter, appearing jointed, cauline leaves with 
acute auricles, decurrent for sometimes 3-4 cme; glomerules terminal, common- 
ly 4-6, less than 1 cm. in diameter, globose, subtended by a leaf-like bract 
which is often twice as long or longer; bractlets lanceolate, acuminate, 
scarious, single; flowers 10-15$ perianth-segments green in the middle, 
with a tinge of red, lanceolate-subulate, becoming chaffy or subscarious, 
the outer somewhat shorter; stamens half the length of the perianth, anthers 
and filaments subequal; capsule lanceolate, very acute, 3-angled, 1l-cham- 
bered, 1/3 longer than the perteuy, ie valves remaining joined et the 
7 
qi apex, revolute, brown; seeds oblong-lanceolate or oval, apiculate, .5 mm, 
longe 
Lake shores and broad streams bottoms below 3000 ft. Lake Pend Oreille; 
Bonners Ferry; Kellogg. 
