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12 TRANSACTIONS. 



URTICACEiE. 



Ulraus Americana, L April 2G. 



" fulva, Michx April 26. 



" racemosa, Thomas x\pril 20. 



Laportea Canadensis, Gaudich July 21. 



Urtica gracilis. Ait July 28. 



Cannabis sativa, L do 



Pilca pumlla, Gray July 81. 



Ijoclimcria cylindrica; Willd do 



JUGLANDACE^. 



Juglans cincrca, L May 22. 



CUrULIFERiE. 



Corylus rostrata, Ait April 20. 



Quercus macrocarpa, Michx May 10. 



" rubra, L do 



Carpinus Americana, Michx : do 



Ostrya Virginica, Willd do 



BETULACEiE. 



Alnus incana, Willd April 20. 



Betula papyracea, Ait May 1. 



" excelsa. Ait .May 22. 



SALICACEiE. 



Salix discolor, Muhl April 20. 



Populus tremuloide3, Michx April 20. 



" grandidentata, Michx do 



" balsamifera, L do 



Salix cordata, Muhl May 10. 



" rostrata, Rich June 22. 



" lucida, Muhl , do 



** CONirERiE. 



Taxus ba-icata, L, var. Canadensis April 20. 



Thuja occidentalis, L , May 10. 



Juniperus communis, I4 , do 



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