L58 MEMOIRS FROM THE DEPARTMENT OF BOTANY OF COLUMBIA COLLEGE, 
[PLATE 66. ] 
67. Polygonum Zuccarinii Small. 
Polygonum cuspidatum Siebold & Zuccarini, Fl. Japon. Fam. Nat. 2: 84 (1846), 
not Willd.; Meisner in DC. Prodr. 14: 135. 
Perennial, stout, suffruticose, more or less scurfy. Stem erect, 12-24 dm. tall, at 
length woody, more or less branched, terete or somewhat angled and channeled, some- 
times flexuous; leaves oblong-ovate, orbicular-ovate or ovate-lanceolate, 2-11 em. long, 
2.5-8 em. broad, short-acuminate, petioled, truncate or subcordate, undulate, conspicu- 
ously reticulated on both sides, minutely serrate; petioles 1-3 cm. long; ocreae funnel- 
form, oblique, 5-4 mm. long, glabrous, early falling away; inflorescence consisting of 
short axillary and terminal panicled racemes; racemes 6-12 em. long, more or less pubes- 
cent, loosely many-flowered; pedicels about 4 mm. long, articulated near the middle; 
calyx greenish white, 8-9 mm. long, five-parted to below the middle, the outer segments 
very broadly winged in fruit; stamens eight, included; style .9 mm. long, three-parted 
to near the base, included; achene triquetrous, 3 mm. long, narrowly oblong, black, 
smooth and shining. 
Vicinity of Philadelphia, Pennsylvania; Schenectady, New York, and Atlantic 
Highlands, New Jersey. Naturalized from Japan. 
