412 Annals of the Carnegie Museum. 



Fagace^. 



Querciis rubra Linnaeus. 



Quercus palusfris DuRoi. 



Quercus borealis F. A. Michaux. ( (?. ambigica F. A. Michaux.) 



Quercus ve/utina Lamarck. 



(Perhaps some of the specimens referred to the three first named 

 species are here to be regarded as extreme variations of Q. velutina. ) 



Ulmace^. 

 Ulmus americana Linnjeus. 



Urticace^. 

 Boehnieria cylindrica (Linngeus) Svvartz. 



Polygonace^. 



Rwnex acetosella Linnseus. 



Rtimex verticillatus Linnaeus. 



Rumex altissimus Wood. 



Persicaria fluitans (Eaton) Greene. 



Persicaria mcar?iata (Elhott) Small. (^Polygonum incarnatuvi 

 Elliott.) 



Persicaria hydropiperoides (Michaux) Small. {^Polygonum hydro- 

 piper aides Michaux.) 



Persicaria laurina Greene.®^ 



Persicaria punctata (Elliott) Small. (^Polygonum punctatum YWxoXX.^ 



Tracaulon sagittatum (Linnaeus) Small. (^Polygo?ium sagittatum 

 Linnaeus.) 



Bilderdykia scandens (Linnaeus) Greene. {Polygonufn scandens 

 Linnaeus.) 



Phytolaccace^. 



Phytolacca decafidra Linnaeus. 



Caryophyllace^. 

 Lychnis alba Miller. 

 Silefie antirrhina Linnaeus. 

 Cerastium vulgatum Linnaeus. 

 Arenaria serpyllifolia Linnaeus. 

 Mcehringia lateriflora (Linnaeus) Fenzl. 



'® Greene, E. L. "Certain Polygonaceous Genera." Leaflets, I 117-50. Jan. 

 5, 1904. 



