22 Flora of the Malayan Peninsula. 
6. PoLyconuM CHINENSE, Linn. Sp. Pl. 363 (1753). A small 
shrub reaching a height of 1:5 m.; stem and branches glabrous or 
slightly pubescent, sometimes glandular, grooved. Leaves with a 
short petiole 6—12 mm. often auriculate and slightly winged above; 
lamina oblong-ovate or deltoid-ovate, acute, base truncate, rounded or 
acute, of upper leaves often cordate or amplexicaul, glandular or not, 
usually glabrous, sometimes sparsely hispidly-hairy especially on the 
midribs and nerves beneath; margins crenulate or entire; nerves 
from 5 or 6 to 20 or more, prominent beneath. Length of lamina 
2-5—16 cm., breadth 2—8 em. Inflorescence of axillary and termi- 
nal corymbose or paniculately branched leafily-bracteate cymes bear- 
ing the flowers in few or many capitulate clusters; peduncles glan- 
dular or hispidulous, especially near the flower heads; capitula 
6—S mm. in diameter; bracts of the flower-clusters glabrous or 
hispidly-hairy, eciliate. Perianth segments 5, white or pink, sub- 
equal, eglandular. Stamens 7—8,intwo whorls alternating with small 
basal glands. Ovary trigonous; style trifid above ; stigmas capitel- 
late. Nutlet trigonous, granulate, variable in size. Meissn. in DC. 
Prodr. XIV. 1. 130; Monog. 60; in Wall. Pl. As. Rar. III. 60; 
Bab. in Trans. Linn. Soc. XVIII. 109; Roxb. Fl. Ind. II, 289; 
Wight Ic. t. 1806; Grah. Cat. Bomb. Pl. 172; Dalz. and Gibs. Bomb. 
Fl. 214; Hook. f. Fl. Brit. Ind. V. 44. Polygonum cymosum, Roxb. 
l.c. Polygonum auriculatum, Meissn. Monog. 39, t. 6; Wall. Cat. 
1705 A. and L. Polygonum polycephalum, Wall. Cat. 1707. Poly- 
gonum brachiatum, Poir. Dict. IV. 15; Wall. Cat. 1706. Polygonum 
patens, Don Prodr. 73; Meissn. Monog. 60. Polygonum corymbosum, 
Willd. Sp. Pl. Il. 452. Polygonum ovatum, Heyne in Roth. Nov. Sp. 
206. Polygonum adenotrichum, Wall. Cat. 1705 E. Ampelygonum 
chinense, Lindl. in Bot. Regist. 1838. Coccoloba crispata, Ham. in 
Roxb. Fl. Ind. II. 292. Coccoloba indica, Wall. Cat. 1705 H. 
Perak: Scortechini!; Kunstler 7968!.—Distriz. India, Ceylon, 
Burma, Malayan Archipelago, Philippines, China and Japan. 
7. Potyconum stricosum, R. Br. Prodr. Fl. Nov. Holl. 420, 
(1810). Stem stout, 6—12 dm., erect or ascending, grooved and more 
or less covered with recurved prickles. Leaves shortly petioled, linear. 
oblong, acute, base truncate or shallow-cordate, glabrous or pubescent 
beneath, nerves numerous; petiole 6—12 mm. long; lamina 2°5— 
7:5 cm. long and 6—18 mm. broad. Petiole, margin and midrib 
beneath beset with retrorse prickles. Stipular-tube much shorter 
than the internode and encircled with a ring of recurved prickles 
