( 29 ) 



Order 75. URTICACE-ffi. 

 1. TJLMTJS, L. Elm. 

 J. fulva, Michx. Slippery Elm. 

 2. Americana, L., Willd. Elm. 



2. CELTIS, Tourn. Xettle-tre£. 



1. occidentalis, L. 



2. crassifolia, Lam. Hadley, Tuckerman. 



3. MO BUS, Tourn. Mulberry. 

 rubra, L. 



4. URTICA, Tourn. Xettle. 



1. gracilis* Ait. Tall Xettle. 



2. urens, L. Small Xettle. 



5. LAPORTEA, Gaudich. 

 Canadensis, Gaudich. 



6. PILEA, Lindl. 

 pumila, Gray. 



7. BOEHMERIA, Jacq. 



cylindrica, \Yilld. 



8. FARIETARIA, Tourn. Pellitory. 



Pennsylvanica, Muhl. Sugar Loaf, &e. 



9. CANNABIS, Tourn. 



sativa, L. Hemp. 



10. HUMULUS, L. 



Lupulus, L. Hop. 



Order 76. PLATANACE-ffi. 

 PLATANUS, L. Sycamore. 

 occidentalis, L. Buttonwood. 



Order 77. JUGLANDACEiE. 



1. JUGLANS, L. Walnut. 

 cinerea, L. Butternut. 



2. CARYA, Xutt. Hickory. 

 J. alba, Xutt. Siiag-bark. 



2. porcina, Xutt. Pig-nut. 



3. amara, Xutt. Bitter-nut. 



Order 78. CUPULIFER-3E. 

 1. aUERCXJS, L. Oak. 

 1. alba, L. (TVhite Oak.) 



