497 
Polygonum aviculare I. 
One of the commonest weeds from plains to the montane 
zone. 
Polygonum persicaria L. 
Plains area. 
Polygonum hydropiper L. 
Plains area. 
Polygonum convolvulus UL. 
Plains area to montane zone. 
Chenopodiaceae. 
Chenopodium album I. 
Common dooryard weed of plains area, foothill and mon- 
tane zones. 
Chenopodium botrys L. 
Plains area and foothill zone. 
Salsola tragus L. 
Recently introduced; now very common throughout the 
plains area. 
Amarantaceae. 
Amarantus retrofexus L. 
Plains area and foothill zone. 
Amarantus hybridus L. 
Plains area and foothill zone. 
Caryophyllaceae. 
Alsine media I. 
Common in lawns and dooryards; plains area. 
Silene noctiflora L. . 
Plains area and foothill zone; around dwellings. 
Szlene vulgaris (Moench). 
Gardens. Rare and local; plains area. 
Saponaria officinalis L. 
Escaped from cultivation; at various altitudes. 
Vaccaria vaccaria (L.) Britt. (Saponaria vaccaria L.) 
Locally abundant; plains area and foothill zone. 
