REPORT OF THE STATE BOTANIST I916 89 



Rrnnex britannica L. Swamps and wet thickets. Common. 



Rumex crispus L. Common in waste places. 



Rumex obtusifolius L. A common week in shaded gromids. 



Polygonum aviculare L. 



Polygonum neglectum Besser. 



Polygonimi erectum L. This and the two preceding are frequent 



weeds in waste and cultivated ground. 

 Polygonum buxiforme Small. Forming broad mats on the sandy 



shore, head of Oneida lake. 

 Tovara virginiana (L.) Raf. Woods and thickets. Common. 

 Persicaria amphibia (L.) 5. F. Gray. Ponds and quiet water. 



Common. Foliage slimy when fresh (Polygonum f 1 u i - 



tans Eaton) . In shallow water occurs a form which i_s 



Persicaria mesochroa Greene. 

 Persicaria muhlenbergii (S. Wats.) Small. Marshy places. 

 Persicaria pennsylvanica (L.) Small. Open marshes and wet places. 

 Persicaria lapathifolitxm L. Low wet places, apparently introduced. 

 Persicaria persicaria (L.) Small. Introduced. 

 Persicaria hydropiperoides (Michx.) Small. 



Persicaria hydropiper (L.) Opts. Wet places, apparently introduced. 

 Persicaria punctata (Ell.) Small. Swamps. 



Fagopyrum fagopyrum (L.) Karst. Persistent on abandoned fields. 

 Tracaulon sagittatum (L.) Small. Wet thickets and low woods. 

 Tracaulon arifolium (L.) Raf. Rare. 

 Bilderdykia convolvulus (L.) Dumortier. Naturalized along roads 



and banks. (Polygonum convolvulus L.) 

 Bilderdykia scandens (L.) Lunell. (Polygonum scandens L.) 

 Polygonella articulata (L.) Meissn. Sandy fields and pine plains 



Common. Reported from here by Gray, Kneiskern and Paine_ 



Amaranthaceae J. St. Hil. 

 Amaranthus retroflexus L. 

 Amaranthus hybridus L. This and the preceding, both introduced 



species, are quite common as weeds in waste places and fields. 

 Amaranthus graecizansL. Waste ground and railroad banks. Rare, 



Chenopodiaceae Dumort. 

 Chenopodium album L. 



Chenopodium botrys L. Banks of Fish creek, (Kneiskern). 

 Chenopodium polyspermum L. Brewerton, (S. N. Cowles). 

 Chenopodium glaucum L. 



