A CENSUS OF THE INDIAN POLYGONUMS. 
445 
IX. — Assam. 
Species endemic to the sub-sub-area . 2 
Species distributed to other sub-sub- 
areas ...... I 
Species with an extra-Indian distri- 
bution • . . • . 29 
Section Vll .•^Pef^icafia, 
(36) Polygonum assamicum Meisn. 
(45) Polygonum macranthum Mei$n, 
Section X. — Aconogon> 
(67) Polygonum rude Meisn. 
Section III. — Avicularia, 
(16) Polygonum plebejum R. Br. 
Section IV.-^Amhlygonon. 
(47) Polygonum orientale Linn. 
(i8) Polygonum tomentosum Willd. 
Section V. — Tovar a, 
(20) Polygonum virginianum Linn. 
Section VI. — Bistorta. 
(24) Polygonum paleaceum Wall. 
Section VII. — Persicaria. 
(30) Polygonum glabrum Willd. 
(32) Polygonum lanigerum R. Br. 
(33) Polygonum lapathifolium Linn. 
(35) Polygonum minus Huds. 
(37) Polygonum viscosum Ham. 
(38) Polygonum staeninum Ham. 
(39) Polygonum barbatum Linn. 
(40) Polygonum serrulatum Lagasc. 
(41) Polygonum Posumbu Ham. 
(43) Polygonum Hydropiper Linn. 
(44) Polygonum flaccidum Meisn. 
Section Vlll.-^Cephalophilon. 
(48\ 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 Linfi. 
(60) Polygonum sagittatum Linn. 
(61 ) Polygonum strigosum R. Br. 
(62) Polygonum praetermissum Hook, f, 
(64) Polygonum pedunculare Wall. 
Section X, — Aconogon, 
, ( 66 ) Polygonum paniculatum Bl. 
Total number of Assam spodes : 32, or 40*5 per cent. 
