PLANTS OF ONONDAGA COUNTY 83 



R. BRITANNICA — Lin., 1753. Great Water Dock. 



Marshes and shallow water. Frequent. Marsh be- 

 tween Midland Ave. and Onondaga Creek. Aug., 1895. 



R. CRISPUS — Lin., 1753. Curled Dock. 



Bountiful everywhere. Goodrich Barn-yard, May, '96. 



R. SANGUINEUS — Lin., 1753. Bloody or Red-veined Dock. 

 Frequent in old gardens. Goodrich driveway, July, '95. 



R. OBTUSiFOLius — Lin., 1753. Bitter Dock. 



Fields. Common. Onondaga Valley, June, 1895. 



FAGOPYRUM— Gaertn, 1791. 



F. FAGOPYRUM — Karst, 1880. (Fagopyrum esculentum — 

 Moench). Buckwheat. 

 Old fields. Escaped from cultivation. Frequent. 



F. TARTARICUM — Gaertn, 1791. Tartary Buckwheat. 

 Occasional in waste places and old fields. 



POLYGANUM— Lin., 1753. 



P. VIVIPARUM— Lin., 1753. Alpine Bistort. 

 High grounds. Rare. Tully, July, 1895. 



P. AMPHIBIUM — Lin., 1753. Water Persicaria. 



Occasional. Lakes and ponds. Tully Lake, July, 1895. 



P. Hartwrightii — A. Gray, 1870. Hartwright's Persi- 

 caria. 

 Rare. Shallow water and wet soil. 



P. EMERSUM — Brittain, 1889. Swamp Persicaria. 

 Swamps and wet soil. Long Branch, Aug., 1898. 



P. INCARNATUM— Ell, 1817. Slender Pink Persicaria. 

 Wet soil. Not rare. Long Branch, Aug., 1898. 



P. LAPATHIFOLIUM— Lin., 1753. Dock-leaved or Pale 

 Persicaria. 

 Very variable ; spreads rapidly, becoming a troublesome 

 weed. 



P. Pennsylvanicum— Lin., 1753. Pennsylvania Persi- 

 caria. 

 Moist soil. Common. Long Branch, Aug., 1898. 



