Flora of the Allegany State Park Region 71 



Polygonum Persicaria L. Lady's Thumb, Heartweed 

 A frequent or common weed of roadsides, waste 

 ground, cultivated fields and hanks. 

 Polygonum coccineum Muhh, P. Muhlcnbergii in 

 Gray's Man. Water Smartweed 

 In shallow water and wet places along the Alle- 

 gheny river and the Tunungwant creek. Infre- 

 quent. 

 Polygonum virginianum L. Virginia Knotvveed 



In rich alluvial woods and thickets along the larger 

 streams of the park and adjacent valleys. Common. 

 Polygonum sagittatum L. Arrow-leaved Tearthumb 

 \u wet or moist openings and thickets, chiefly along 

 streams and rivers. Common. 

 Polygonum arifolium L. Halberd-leaved Tearthumb 

 In wet or mossy swamps and bogs. Rare. 

 "Balsam swamp" in Red House valley; bogs and 

 swamps along the edge of the glacial drift near 

 Steamburg and Randolph. 

 Polygonum Convolvulus L. Black Bindweed 



A weed in waste places along the cinder banks of 

 the railroad north of Quaker Bridge and doubtlessly 

 elsewhere. 

 Polygonum scandens L. Climbing False Buckwheat 



Moist or dry thickets on sandy or rocky banks. 

 Infrequent. Holts run, Elko etc. 

 Polygonum cilinode Michx. Fringed Black Bindweed 

 In dry or sterile, sandy or acid soil. Frequent. 

 Conglomerate soils in open places on many of the 

 higher ridges. Bradford road near state line, Quaker 

 Run valley, bluffs along the eastern side of the 

 Allegheny valley toward Elko and elsewhere. 



