REPORT OF THE STAT!-: BOTANIST I916 89 



Rumex britannica L. Swamps and wet thickets. Common. 



Rumex crispus L. Common in waste places. 



Rumex obtusifolius L. A common week in shaded grounds. 



Polygonum aviculare L. 



Polygonum neglectum Besser. 



Polygonum 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 flui- 



t a n s Eaton) . In shallow water occurs a form which is 



Persicaria mesochroa Greene. 

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

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

 Persicaria lapathifolium L. Low wet places, apparently introduced. 

 Persicaria persicaria (L.) Small. Introduced. 

 Persicaria hydropiperoides (Michx.) Small. 



Persicaria hydropiper (L.) Opiz. 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 graecizans L. 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. 



