GLEANINGS AND ORIGINAL MEMORANDA. 
185. Polygonum cuspidatum. Siebold and Zuccarim. 
herbaceous plant from Japan. Flowers green, inconspicuous 
{Vohjgonacem) . Introduced by the Horticultural Society ab< 
road 
rs green, inconspicuous. Belongs to the Ord< r of Bu<kwh< ata 
horticultural Society about the jmt 1825. (Fig. 90.) 
We translate the following account of this plant from Professor Morren's statement in the Annalet dt (, '. vol. v. 
p. 461 : " Rhizome herbaceous, stem straight, branching, flexible, smooth, round, hollow, spotted « ith nurnic I^ave« 
tran 
edge, cuspidate, smooth on both sides, slightly rough on the under side along the nerves. Stipules obliquely truncate, 
smooth, naked at the edge, few-nerved, purple, finally becoming torn, deciduous. Panicles axillary, divaricalinuly 
branched ; rachis flexible ; branches slender, scurfy haired ; bracts ochreiform, obliquely cuspidate-truncate ; flowers 
in twos or threes, pedicels filiform, coloured, articulated, shorter than the tube of the perianth ; stamens 8, filament* 
petaloid, subulate, ovary triquetrous, styles 3 divaricating, achenium elliptical, triquetrous with a twinged perianth, 
wings obcordate, opening longitudinally at the sutures. 
Professor De Vriese declares that this is undoubtedly 
one of the prettiest species of Polygonum know 
was introduced from Japan by M. Von Siebold, 
