440 
A- CENSyS OF THE INDIAN POEYGONUMS. 
Species with an extra-Indian distri- 
bution * . . . . 
19 
Section VII. — Persicafia. 
,(So) Polygonum glabrum Willd. 
(32) Polygonum ianigerum R, Br. 
(33) Polygonum lapathifolium Linn, 
(S 5 ) Polygonum minus Huds, 
(58) Polygonum stagninum Ham. 
(39) Polygonum barbatum Linn, 
(40) Polygonum serrulatum Lagasc. 
(43) Polygonura“ Hydropiper Linn^ - 
(44) Polygonum flaccidum Meisn. 
Section Vlll.—Cephalojhilon. 
(48) Polygonum alatum Ham. 
154) Polygonum capitatum Ham, 
(55) Polygonum chinense Linn, 
var, ovalifolia. 
Section IX.~-Echinocaulon. 
(so) Polygonum perfoliatum Linn. 
(61) Polygonum strigosum R. Br, 
(64) Polygonum pedunculare Wall. 
Total number of Bengal species : 19, or 24 per cent. 
VLtss^N0RTH-WEST Himalaya, 
Species endemic to^ the i,ub-su|)-^rep, 
^ Section III.-—A'vlcularia. 
(S) Polygonum recumbens Eoyle. 
I Section VIII .-^Cephalophilon, 
(46) Polygonum humile 
(S6) Polygonum Gilesii Hemsley, 
Section X,- — Aconogon» 
.,(60) Polygonum frondosum Meisn. 
Species distributed to other sub-sub- 
areas 
Section IL’^Eleutherosperma, 
•(2-> Pplygonum delipatulum Meisn, 
(3) Polygonum filicaule Wall, 
Section VI>~rBist,.orta. 
i6:< 
(23) Polygonum perpusillum Hook.f, 
(2.7) Polygonum affine Dan, 
(28) *Poly-gonura vaccinifolium Wall. 
(29) Polygonum Emodi Meisn. 
Section VIII. Cephalophilon, 
(47): Polygonum glaeiale Hook.f. 
(51) Polygonum sphserocephalum Walt, 
L (S’S) Polygonum sinuatum RoyU, 
