444 
A CENSUS OF THE INDIAN POLYGONUMS. 
Species distributed to other sub-sub- 
areas 
Section X.'^Aconogon, 
(68) Polygonum molle Don. 
(70) Polygonum polystachyum Wall. 
(.72) Polygonum campanulatum Hook,/. 
K 7 Z) Polygonum tortuos c m Don. 
Section XI, — Tiniaria. 
(79) Polygonum pterocarpum Walk 
' Section Ill.'—Anicularia. 
(i6) Polygonum plebejum R. Br. 
Section V.^Tovara. 
(20) Polygonum virginianum Linn. 
- Section VI.~^Bistorta. 
(21) Polygonum viviparum Linn. 
(22) Polygonum sphaerostachyum Meisn. 
(26) Polygonum amplexicaule Don. 
Section Vlt.^Pereicaria, 
Species with an extra-Indian distri. 
bution » . . . . 
(30) Polygonum glabrum Willd. 
(31) Polygonum amphibium Linn. 
(33) Polygonum lapathifolium Linn. 
(35) Polygonum minus Hude. 
(39) Polygonum barbatum Linn. 
(41) Polygonum Posumbu Ham. 
(43) Polygonum Hydropiper Linn. 
(44) Polygonum flaccidum Meisn. 
Section F///.~ Cephalophilott, 
Polygonum alatum Ham. 
(49) Polygonum microcephalum Don, 
(52) Polygonum runcinatum Ham, 
(54) Polygonum capitatum Ham, 
(55) Polygonum chinense Linn. 
Section IX.^Echinocaulon, 
(57) Polygonum muricatum Meisn, 
(58) Polygonum arifolium Linn. 
(59) Polygonum perfoliatum Linn, 
(61) Polygonum strigosum R. By. 
(62) Polygonum praetermissum Hook, f. 
Section X. — Aconogon, 
(66) Polygonum paniculatum Bl, 
(74) Polygonum sibiricum Laxm, 
Section XI.’^Liniaria, 
(77) Polygonum Convolvulus Linn. 
Total number of Sikkim species : 39, or 50 per cent. 
