OCTANDRIA. TRIGYNIA. 39 



195. Acer. L. Maple, 



1 rubrum. L. (Red or swanip maple. J In woods, k . April 



12. red. 



2 saccharinum. L. (Sugar maple J In woods. Bloom- 



ingdale. fc. April, yellow. 



3 nigrum. Mx. (Black maple. J Fishkill mountains, h • 



May. (greenish. 



4 striatum. Mx. (Moose nvood.J 

 Pennsylvanicum. Willd. i 



Summit of the Fishkill mountains, h- June, yellow. 



5 montanum. Willd. 

 Pennsylvanicum. Wang, 

 spieatum. Link. 



On the sides of high hills. New-Jersey. ^. May — July, 

 greenish-yellow. 



196. Dirca. L. Lcathcinvood. 



palustris. L. Shady woods. New-Jersey. ^ . April, 

 yellowish-white. 



197. Oxycoccus. Pers. Cranberry. 



1 macrocarpus. Pers. (Common. J 

 Vaccinium macrocarpon. Ait. 



V. Oxycoccus. 

 B. oblongifolius. Mx. 

 Shrewsbury, N. Jersey. Long-Island. J} . Jane— July. red. 



2 vulgaris. Ph. 



Vaccinium oxycoccus, a. ovalifolius. Mx. 

 In the cedar swamps, New-Durham. 



TRIGYNIA. 



198. Polygonum. L. Knotgrass. Water pepper, £{c. 



1 aviculare. L. (Knot grass. J Fields, road sides and 



cultivated grounds, u . May — Oct. white. 

 B. latifolium. Mx. 

 P. erectum. Willd. 

 With the former, very common. 



2 ten ue. Mx. 

 Hnifolium. Muhl. Cat. 



On rocks in woods. Bloomingdale, ©. Sept. white- 



3 punctatum. Ell. ( Water pepper. ) 

 Hyropiper. Mx. 

 Hydropiperoides. Ph. 



In ditches and overflowed grounds, u • Aug Oct. white. 



4 mite. Pers. 

 Hydropiperoides. Mx. 



In the cedar swamp at Weehawk. © ? Sept. white. 



5 Virginianum. L. Along ditches and m wet woods, u . 



Aug. — Sept. white. 



6 Pennsylvanicum. L. Borders of iields and banks of 



ditches. 0. July— Oct. pale red. 



7 incarnatum. Ell. 



