GENERA AND SPECIES 



LAURACE^E . 



Sassafras sassafras 



LAUREL FAMILY 

 Sassafras 



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229 



ULMACE.E . 



Ulmus americana 

 Ulmus pubescens 

 Ulmus racemosa 

 Ulmus alata . 

 Ulmus campestris 

 Celtis occidentalis 



. ELM FAMILY 

 . \)White Elm . 

 . \jSlippery Elm 

 . Cork Elm . 

 . Winged Elm 

 . English Elm 

 . Hackberry . 



233 

 240 

 242 

 246 

 248 

 249 



MORACEyE . 



Morus rubra . 

 Morus nigra . 

 Morus alba . 

 Toxylon pomiferum 



MULBERRY FAMILY 



Red Mulberry . . .253 



Black Mulberry . . .254 



White Mulberry . . .258 



Osage Orange . . .258 



PLATANACE^E 

 Platanus occidentalis 



. PLANE-TREE FAMILY 



xj Sycamore . . . 263 



JUGLANDACE^: . 



Juglans nigra 

 Juglans cinerea 

 Hicoria . 

 Hicoria minima 

 Hicoria ovata. 

 Hicoria laciniosa . 

 Hicoria alba . 

 Hicoria glabra 



. WALNUT FAMILY 



. Black Walnut . . . 269 

 . \XButternut .... 274 



. Hickory .... 276 



. Bitternut .... 279 



. Shellbark Hickory . . 282 



. Big Shellbark . . .286 



. Mockernut .... 286 



. Pignut. j . . . 290 



BETULACE^E. 



Betula . , 

 Betula populifolia . 

 Betula papyrif era . 

 Betula nigra . 

 Betula lutea 4 " . 

 Betula lenta . 

 Alnus glutinosa 

 Ostrya virginiana . 

 Carpinus caroliniana 



. BIRCH FAMILY 

 . Birch . 

 . ^hite Birch. 

 . Paper Birch. 

 . Red Birch . 

 . \jtfellow Birch 

 . Sweet Birch. 

 , European Alder 

 .\J)Hop Hornbeam 

 . Hornbeam . 



295 



297 

 302 

 306 

 310 

 3ii 

 3H 

 316 



319 



