A CENSUS OF THE INDIAN POLYGONUMS, 
447 
XL— Malay Peninsula and Andamans. 
Species endemic to the sub-sub- 
aiea . . • . 
Species distributed to other sub- 
sub-areas j . . . 
Species with an extra-I ndian distri- 
bution • . . • .11 
No species. 
No species. 
Section II L — Avicularia, 
(i6) Polygonum plebejum R. Br. 
Section 1 V^—Amllygonon, 
(i8) Polygonum tomentosum Willd. 
Section VII. — Persicaria. 
( 35 ) Polygonum minus Huds. 
(38) Polygonum stagnmum Ham» 
(39) Polygonum barbatum Linn. 
(40) Polygonum serrulatum Lagasc, 
(43) Polygonum Hydropiper Linn. 
(44) Polygonum flaccidum Meisn. 
Section VIII.—CephalopMlon. 
(55) Polygonum chinense Linn. 
Section IX. — Echinocaulon. 
(61) Polygonum strigosum R. Br. 
{64) Polygonum pedunculate Walt. 
Total of Malay Peninsula species : 11, or 14 per cent. 
The following table shows the ‘ sectional * distribution of the genus 
in the various sub-sub-areas. The figure in any given square is the 
number of species belonging to the section indicated horizontally and 
found in the sub-sub-area indicated vertically. 
