FLORA OF WORCESTER COUNTY. 



43 



POLYGONACE^. 



RuMEX, L. Dock. 



*crispus, L. Curled Dock. Common. 



*obtusifolius, L. Bitter Dock. Worcester. Prof, Eaton. 

 *conglomeratus, Murray. Smaller Green Dock. Moist 

 places. 



Field Sorrel. Common. 



Knotweed. 



Common in yards and waste places. 



Waysides, common. 



Worcester. Prof. Eaton. 



Royalston. " " 



North Worcester. 



*Acetosella, L. 

 Polygonum, Tourn. 

 aviculare, L. 

 erectum, L. 

 tenue, Michx. 

 Pennsylvanicum, L 

 amphibium, L. 



Muhlenbergii, Watson. " " 



*orientale, L. Prince's Feather. Escaped. 



*Persicaria, L. Lady's Thumb. G. E. Stone. 



Hydropiper, L. Common Smartweed. Common, 



acre, HBK. Water Smartweed. Wet places. 



Virginianum, L. Thickets, 

 arifolium, L. Halberd-leaved Tear-thumb. Low grounds, 



sagittatum, L. Arrow-leaved Tear-thumb. " " 



*Convolvulus, L. Black Bindweed. 



cilinode, Michx. Low grounds, 



dumetorum, L., var. scandens, Gray. 



Worcester. 



Prof. Eaton. 

 Quite common. 

 Gardner. 



Prof. Eaton. 

 FagopyruiM, Tourn. Buckwheat. 



*esculentum, Moench. Spontaneous. Occasional. 



PoLYGONELLA, Michx. Joiut-wced. 



articulata, Meisn. Mendon, Gardner. 



