60 



POLYGONACEAE 



T 

 1459 



1452. Polygonum Douglasii 



1453. Polygonum Austiniae 



1454. Polygonum minimum 



1455. Polygonum sawatchense 



1456. Polygonum spergulariaeforme 



1457. Polygonum Nuttallii 



1458. Polygonum Kelloggii 



1459. Polygonum polygaloides 



1460. Polygonum confertiflorum 



