1894.1 PLANTS OF MONROE COUNTY. 9? 



792. R. CRISPUS L. Curled Dock. 



Fields and waste places ; common. 



793. R. OBTUSIFOLIUS L. BlTTF.R DoCK. 



Fields, roadsides, waste places ; common. 



794. R. crispus L. X R. obtusifolius L. 



Reilly lot. Central avenue, Rochester. 



795. R. SANGUINEUS L. 



Rare. Prof. W.H.Lcnnon. 



796. R. ACETOSELLA L. ShEEP-SORREL. 



Fields ; common. Abundant in poor, sandy soils. 



331. POLYGONUM Tourn. [I-.] 



797. P. aviculare L. Knot-grass. 



Common in door-yards, streets, waste places, and along foot-paths. 



798. P. erectum L. [P. aviculare L. var. ertxtin/i Roth.) 



Waysides and waste places ; common. 



799. P. lapathifolium L. var. incarnatum Watson. [J\ incarnatum Ell.) 



[/'. incariiattoii Ell.] 



Marshes ; not common. Frequent m the marshes around Irondequoit 

 bay, Round pond, Long pond, etc. 



800. P. Pennsylvanicum L. 



In moist rich soil, brooksides, marshes, etc.; common. 



801. P. amphibium L. 



Aquatic; rare. Kendall, Orleans county, J/. 6'. i?«.r^^r. 



802. P. Muhlenbergii Watson. [Po/ygonu?n amphibium \?iX. ter rest re Gray.) 



\P. emersum (Michx.) Britton.] 



Muddy shores; not common. Irondequoit bay and other bays and 

 ponds. 



803. P. Hartwrightii Gray. [P. Hartwrightii !K. Gray.] 



Rare. Wayne county, E. L. Hankensoii . 



804. P. ORIENTALE L. PrINCE'S FeATHER. 



Waste places ; infrequent. 



805. P. Persicaria L. Lady's Thumb. 



Everywhere common. 



806. P. hydropiperoides Michx. Mild Water-pepper. 



Wet places, marshes ; infrequent. 



807. P. Hydropiper L. Smart-weed. 



Fields, ditches and wet places ; common. 



808. P. acre HBK. \P. punctatum Ell.] Water Smart-weed. 



Shores, marshes, ditches ; frequent. 



809 P. Virginianum L. 



Rich woods and along streams ; infrequent. 

 810. P. arifolium L. Halberd-leaved Tear-thumb. 

 Low grounds, marshes ; infrequent. 



13, Proc. RoCh. AcAn. of Sc, Vol. 3, April, i8q6. 



