LOO MEMOIRS FROM THE DEPARTMENT OF BOTANY OF COLUMBIA COLLEGE, 
[Piatr 37. | 
37. Polygonum maritimum Linnaeus. 
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Polygonum maritimum Linnaeus, Sp. Pl. 361 (1753); Gmelin, Syst. Nat. 2: 659; 
Willdenow, Sp. Pl. 2: 449; Persoon, Syn. 1: 4839; Muhlenberg, Cat. 40; Elliott, Bot. 
S. C. & Ga. 1: 453; Sprengel, Syst. 2: 256; Meisner, Monog. 89 and in DC. Prodr. 
14: 88; Torrey, Fl. N. Y. 2: 152; Eaton & Wright, N. A. Bot. Ed. 8, 367; A. Gray, 
Man. 888; Darby, Bot. 8. States, 488; Wood, Am. Bot. and FI. 283. 
Polygonum marinum Pursh, Fl. Am. Sept. 269 (1814); Eaton, Man. 370; Elliott, 
Bot. 8. C. & Ga. 1: 453. 
Polygonum glauwcum Nuttall, Gen. 1: 254 (1818); Torrey, Fl. 1: 401, Comp. 171; 
Sprengel, Syst. 2: 256; Beck, Bot. 300. 
Perennial or sometimes annual, glaucous and glabrous throughout, somewhat 
fleshy. Stem prostrate, 2-7 dm. long, ridged, branched from the base and throughout, 
usually stout; leaves ovate, oblong or linear-oblong, .5-3 cm. long, .2-.8 em. broad, 
generally equalling or exceeding the internodes of the stem and branches, rather fleshy, 
obtuse, revolute, acuminate at the base, strongly nerved especially beneath, somewhat 
rugose above, Jomed to the ocreae by conspicuous articulations, mostly subsessile; ocreae 
funnelform, oblique, .5-1.5 em. long, two-parted, at length lacerate, bright and silvery, 
becoming brown at the base; inflorescence axillary, consisting of clusters of two or 
three flowers; pedicels slender, 3-4 mm. long; calyx green about the base, 3 mm. long, 
five-parted to near the base, the segments obovate, petaloid, rather obtuse, white or 
pink with a green rib; stamens eight, included; style .4 mm. long, three-parted to the 
base, included except at maturity; achene triquetrous, 3.5-4 mm. long, ovoid, acute or 
acuminate, chestnut-colored, smooth and shining or minutely granular, conspicuously 
surpassing the calyx. 
Along the seacoast from Maine to Georgia. Also on the coast of Europe. 
