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40 



MORUS. 



Morus rubra Red mulberry. 



Morus alba White mulberry. 



Urtica. 



Urtica gracilis Nettle. 



Laportea. 



Laportea Canadensis Wood nettle. 



PiLEA. 



Pilea pumila Clearweed. 



B(EHMERIA. 



Bcehmeria cylindrica False nettle. 



Order 100. PLATAN ACE^E.— Plane Tree Family. 



Platanus. 

 Platanus Occidentalis Sycamore tree. 



Order 101. JUGLANDACEiE.- W^alnut Family. 



JUGLANS. 



Juglans cinerea Butternut. 



Juglans nigra Black walnut. 



Juglans regia Madeira nut 



Carya. 



Carya alba Shell bar], hickory. 



Carya porcina Pig nut hickory. 



Carya amara Bitter nut bickory. 



Carpa tomentosa White heatt or downy hickory. 



Order 103. CUPULIFER^.— Oak Family. 

 •Betula. 



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Betula lutea Yellow birch. 



Betula alba White weeping birch. 



Betula papyrifera Canoe or paper birch. 



Betula lenta Sweet or black birch. 



It 



