134 MEMOIRS FROM THE DEPARTMENT OF BOTANY OF COLUMBIA COLLEGE. 
[Puare 54. ] : 
54. Polygonum Kelloggii Greene. 
Polygonum Kelloggvi Greene, Fl. Francis. 154 (1891). 
Polygonum coarctatum var. minus Meisner in DC. Prodr. 14: 101 (1856), not P. minus 
Huds.; 8. Watson, Bot. King’s Exp. 316. 
Annual, low, slender, glabrous throughout, somewhat scurfy. Stem mostly erect, 
1-5 em. long, divergently branched from near the base, more or less four-angled, in some 
vases slightly winged, internodes of the branches very short; leaves linear or linear- 
lanceolate, .4-1 em. long, 1-2 mm. broad, acute, sessile, crowded on the branches but 
spreading and not imbricated, much the same size throughout, joined to the ocreae by 
inconspicuous articulations; ocreae funnelform, 1-2 mm. long, oblique, thin and early 
lacerate; inflorescence axillary, consisting of clusters with several flowers, almost contigu- 
ous on account of the very short internodes, the branches appearing like leafy racemes; 
pedicels .5 mm. long; calyx green, nearly 2 mm. long, five-parted to near the base, the 
segments oblong, obtuse, with whitish or cream-colored margins; stamens about five, 
included; style often almost wanting; achene triquetrous, 1.5 mm. long, rhombic-oyoid, 
light-brown, granular, somewhat striate, dull. 
Washington south to California and Colorado. 
