Polygonum.] CXIX. POLYGONACEE. (J. D. Hooker.) 45 
mss. Ampelygonum chinense, Lindl. in Bot. Reg. 1838; Mise. 63, No. 118. 
P. panduresforme, Ham. mss.; Wall. Cat. 1704 D. Coccoloba crispata, 
Ham. in Roxb. Fl. Ind. ii. 292. 
SUBTROPICAL and TEMPERATE HIMALAYA ; from Simla to Bhotan, alt. 4-8000 ft. 
Assam, the KHASIA MTs., SILHET, CACHAR, CurrrAGONG, RANGOON and BURMA 
to Maracca. BEHAR, top of Parusnath, alt. 4000 ft. DECCAN PENINSULA ; on the 
Western Ghats from the Concan southward. CEYLON, abundant.—DISTRIB. 
Sumatra, Java, Philippine Islands, China and Japan. 
A rambling or erect shrub, reaching 5 ft.; stems and branches many from the 
root, stout, flexuous, angled and grooved. Leaves extremely variable, rarely orbicular ; 
gland-dotted or not, rigid or membranous, flat or undulate; petiole short, winged 
above, auricles extremely variable, deciduous usually rounded, sometimes } in. broad, 
at others suppressed ; stipules often in. long with long waving points. Heads very 
variable in number, 4-4 in, diam.; peduncles divaricate; flowers white, pink or 
purplish. Perianth 5-cleft. Stamens 8. Styles 3, connate below. Nuts variable 
in size, enclosed in the dry or fleshy perianth.—A polymorphous plant, of which the 
following forms may show the extent of variation, but are not approximately constant, 
nor do they comprise all the departures from any assumed type that could be defined 
y words, which would be a very great many. I cannot conceive what other Poly- 
gonum than this Roth describes as P. ovatum. 
P. chinense proper; leaves ovate-oblong or deltoid-ovate base truncate or sub- 
cordate, peduncles eglandular.— Var. Thunbergianum, Meissa. in Wall. Pl. As. Rar. 
il. 60, and in DC. Z. c. 
Var. ovalifolia, Meissn. l. c.; leaves ovate or oblong-ovate acute at both ends 
often crenulate glabrous, peduncles glandular-hispid, heads large or small,—Hima- 
ya, Parusnath, common in the Deccan Mts., Ceylon, &c. i 
ar. subhastata, Meissn.l. c.; leaves oblong or lanceolate base cordate or sub- 
hastate sometimes very long, peduncles eglandular, heads small. pae: 
ar. corymbosa, Meissn. l. c. ; leaves oblong-lanceolate base acute or acuminate, 
. peduncles eglandular, heads large. 
pts : tiole 
ar. ? parvifolia ; stem slender prostrate, leaves 13-2 in. hastate oblong, petiol 
not auricled, bracts obtuse or subacute —Silhet, Wallich; Assam, Jenkins. —This 
eii » a different species; the habit is that of P. Wallichii, but the leaves are not 
iholate, 
, Var. hispida; branches leaves on both surfaces and inflorescence hispidly hairy, 
hairs on the branches reflexed.—Tenasserim, Gallatly (in Herb. Caleutt.). 
, Sect. IX, Ecury N, Meissn. Erect prostrate or subscandent often 
Prickly herbs. Leaves "usually broad, often cordate or hastate ; stipules 
tubular, Flowers in simple or panicled heads or spikes ; bracts usually 
shortly tubular, ciliate. Perianth 5-lobed. Stamens 5-8, with alternating 
glands. Styles 2-3, free, stigmas capitate. Nut free, trigonous or biconvex; 
cotyledons accumbent. - ` 
* Nut exserted . 
49. P. mur ‘ssn. Monog. Polyg. 74, in Wall. PI. As. 
Rar, ii. 58, rictu ples xiv. 1. 133 (not of Wall. Cat.); stem very 
pig and slender flaccid smooth or angles sparsely scabrid, leaves distant 
Ower. petioled ovate or oblong-ovate acute or obtuse, base rounded trancat 
or cordate u per amplexicaul-cordate, stipules glabrous ciliate, heads laxly 
panicled, eduncles glandular-hispid or glabrous, spikes few-fld. P. E . 
mulum, all. Cat. 1724.. Polyg. pedunculare var. and Polyg. n. 57, Herd. 
Or. H. DEN 
J CENTRAL and Easrern Hiwaraya; Nepal, Wallich ; Sikkim, alt. 10-12,000ft., 
*D. H. Kaasa Mrs., alt. 4-5000 ft., J. D. H. 4 T. T., Clarke. 
