N. O. rOI.YGONACE.1i:. 
1083 
bazars, and used as an aphrodisiac (Atkinson). 
N.B.— According to Murray (Plants and Drugs of Sind), the fruit of 
Polygommi avion lave is known as Bijbund or Endrani in Sind. It is probable 
that seed of several species of Polygonum and Uumcx are collected and sold 
as Bijband . 
1071. li. dentalus, Linn., H.F.n.i., v. 59. 
Habitat : — Plains of India, from Assam and Sylhef to the 
Indus, ascending the Himalaya to 1,000 ft., Sind and Concan. 
An erect annual, l-2ft. high. Stems grooved, glabrous, 
usually tinged with red. Leaves 3-4in. long, oblong, obtuse, 
glabrous, base rounded or cordate, petioles of radical leaves up 
to 2|in. long. Flowers shortly pedicelled, 2-sexual, arranged 
in distinct leafy or leafless whorls. Perianth £-Jin. long ; inner 
segments broadly ovale, reticulate-veined, much enlarged in fruit 
and with an ovoid-oblong smooth tubercle on its back, margins 
irregularly toothed or pectinate ; the teeth numerous, short, 
straight, not hooked. Nutlets roin. long, acutely 3-gonous or 
almost winged. (Duthie.) 
Use : — The root yields a dye, and is used as an ast ringent 
application in cutaneous disorders (Watt). 
1072. R. nepalensis, Spreng., h.f.b.l, v. 60. 
Habitat ' Temperate Himalaya, from Bhotan to Kashmir ; 
Khasia Mts., Western Peninsula ; on the Ghats. 
Tall herbs. Roots with tuberous fibres. Stem 2-lft. stout, 
erect. Branches stiff, spreading. Radical leaves often G-14 by 
3-5in., undulate or not, large oblong, ovate-oblong or triangular- 
ovate, acute or obtuse^ base widely or narrowly cordate, upper 
sessile or petioled, similar or with narrowed bases, or lanceolate. 
Flowers 2-sexual, in whorls forming long, nearly leafless, race- 
mes. Fruiting sepals broadly ovate, fringed one thickend and 
forming an oblong tubercle. 
Uses The tuberous roots are said to be sold in the bazars 
of Bengal under the name of Rewund Chini as a substitute 
for rhubarb. They are given in constipation, in doses of 10 gr. 
to 120 gr. (Irvine). 
Oswald Hesse has isolated from the root three new substances, one of which, 
rumicin, is isomeric with, and closely resembles, chrysophanic acid, but is not 
identical with it. 
