PLATE XII 



77. Mockernut (Hickory). HO. (Ve) 



78. Staghorn Sumach. 116. (V 14 ) 



79. Poison Sumach. 108. (Ve) 



Bo. White Ash. 123. (Ve) 



81. Black Ash. 125. (Vs) 



82. Prickly Ash. 149. (V 8 ) 



231 



