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42 





Order 107. CONIFER^.— Pina Family. 



PiNUS. 



Pinus Strobus White pine. 



Pinus resinosa Red pine. 



PiCEA. 



Picea alba White spruce. 



TSUGA. 



Tsuga Canadensis Hemlock. 



Abies. 

 Abies balsamea Balm of Gilead or balsam fir. 



Larix. 

 Larix Americana Black larch tamarac. 



Thuya. 

 Thuya occidentalis , American arbor vitse, white cedar. 



JUNIPERUS. 



Juniperus Vircjiniana . Red cedar. 



Juniperus sabina var procumbens Creeping Juniper. 



-Juniperus communis Juniper. 



Taxus. 

 "Taxus baccata var Canadensis ... American yew, ground hemlcck. 



Order 108. HYDROCHARIDACEiE.— Frog's Bit Family. 



Anacharis. 



Anacharis Canadensis (Elodea 0.) Waterweed. 



Char A. 

 .€hara fragilis Waterweed. 



Vallisnekia. 

 Vallisneria spiralis Eel grass. Tape grass. 



