204 



Rhodora 



[October 



Polygonella articulata, Meisn 



Polygonum acre, HBK 



" var. leptostachyum, Meisn. 



amphibium, L 



" var. Hartwrightii, Bissell. 



arifolium, L 



aviculare, L 



var. littorale, Koch. . . 



Careyi, Olney 



cilinode, Michx 



Convolvulus. L 



cuspidatum, Sieb. & Zucc. 



Douglasii, Greene 



dutnetorum, L 



erectum, L 



exsertum, Small 



Fowleri, Robinson 



Hydropiper, L 



hydropiperoides, Michx 



" var. strigosum, Small. . 



lapathifolium, L 



var. incanum, Koch. . 



maritimum, L 



Muhlenbergii, Watson 



orientale, L 



pennsylvanicum, L 



Persicaria, L 



prolificum, Robinson 



ramosissimum, Michx 



" " forma atlan- . 



ticum, Robinson 



sagittatum, L 



scandens, L 



tenue, Michx 



virginianum, L 



viviparum, L 



Rumex Acetosa, L. . . . 



Acetosella, L 



altissimus, Wood 



Britannica, L 



crispus, L 



hastatulus Baldw 



obtusifolius, L 



Patientia, L 



6 



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