70 New York State Museum 



Rumex obtusifolius L. Bitter or Broad-leaved Dock 

 A common weed in fields, meadows, along road- 

 sides and neglected ground. 

 Rumex Acetosella L. Sheep Sorrel, Field Sorrel 



A common weed in poor or sterile, often sandy or 

 gravelly soil. 

 Fagopyrum esculentum Moench. Buckwheat 



Occasional in fields after cultivation and rarely 

 along railroads, but seemingly not established. 

 Polygonum aviculare L. Knotweed 



A common weed of yards, roadsides, neglected 

 ground and along railroads. The var. angustissimum 

 Meissn., P. neglectum Besser, in cinders along the 

 railroad near Quaker Bridge. 

 Polygonum erectum L. Erect Knotweed 

 Infrequent as a weed in waste ground. 

 Polygonum lapathifolium L. Pale Smartweed 



Common in moist or wet situations in the lower 

 and larger valleys, weedlike in nature and perhaps 

 in large part introduced. 

 Polygonum scabrum Moench, P. tomcntosum of Gray's 

 Man., not Schrank 

 Occasional in wet places in the lower valleys. 

 Pine run etc. 

 Polygonum pennsylvanicum L. 



Common in moist or wet soil of the bottomlands 

 and along streams and springy places elsewhere. 

 P'olyonum Hydropiper L. Smartweed, Water Pepper 

 Common in wet places in the principal valleys of 

 the park, moist or wet roadsides, exsiccated depres- 

 sions, swales and marshes. 

 Polygonum hydropiperoides Michx. 



In marshy places in the Tunungwant valley and 

 elsewhere. Uncommon. 



