150 MEMOIRS FROM THE DEPARTMENT OF BOTANY OF COLUMBIA COLLEGE. 
[PLATE 62.] 
63. Polygonum cilinode Michaux. 
Polygonum cilinode Michaux, Fl. Bor. Am. 1: 241 (1803); Persoon, Syn. 1: 441; 
Muhlenberg, Cat. 41; Pursh, Fl. Am. Sept. 273; Bigelow, Fl. Bost. 159; Eaton, Man. 
372; Sprengel, Syst. 2: 254; Torrey, Fl. 1: 406, Comp. 173; Meisner, Monog. 63 and in 
‘ Prodr. 14: 134; Hooker, Fl. Bor. Am. 2: 131; Beck, Bot: 303; Eaton & Wright, 
A. Bot. Ed. 8, 368; A. Gray, Man. 390; Wood, Am. Bot. and Fl. 283; Chapman, 
Fl. 8. States, 391. 
Dp 
N. 
Annual or perennial, slender, sparingly pubescent throughout, of a reddish or 
reddish green tint. Stem prostrate or extensively twining, 6-25 dm. long, simple or 
diffusely branched, red or reddish; leaves broadly ovate or ovate-lanceolate, 2-8 em. 
long, 1-6 em. broad, acute or acuminate, cordate or subcordate, sometimes inclined to be 
hastate, petioled, undulate, somewhat crisped, minutely ciliate, often prominently 
nerved on the lower surface; petioles 1-4 em. long; ocreae funnelform, very oblique, 3—+ 
mm. long, acutish, fringed with reflexed bristles at the base; inflorescence consisting of 
axillary and terminal panicled racemes; racemes 1-10 cm. long, loosely flowered, inter- 
rupted; pedicels wiry, 3-4 mm. long, reflexed; calyx white, 3-4 mm. long, five-parted 
to below the middle or near the base, the segments oblong or obovate, obtuse, the three 
outer ones often inconspicuously keeled; stamens six or eight, included; style .3 mim. 
long, three-parted to the base, included; achene triquetrous, 3 mm. long, broadly oblong 
or often approaching ovoid, black, very smooth and shining. 
From Nova Scotia and New Brunswick to the Rocky Mountains south to the Great 
Lake Region; also in and near the Alleghany Mountains. 
