Localities in which Pellagra is Prevalent. 69 



thing like close attention, I noted the following while work- 

 ing along the banks at different times. 



Scrub Pine {Pinus virginiana). Common on slopes. 



Yellow Pine {Pinus echinata). Well up on slopes along 

 the Cumberland at Wasioto. 



Willow (SaHx sp. ) 



Butternut (Juglans cinerea). 



Black Walnut (Juglans nigra). 



Shell-bark Hickory {Gary a ovata). 



Iron Wood {Car pinus caroliniana) . 



Sweet Birch (Betula lenta). 



River Birch {Betula nigra). Common. 



Alder (Ahius sp.) 



Beech {Fagus grandifolia) . 



Chestnut {Castanea dentata) . Common. 



Postoak (Quercus stellata). 



Black Oak ( Q. velutina) . 



Spanish Oak (Q. falcata). 



Rock Elm ( Ulmus racemosa) . 



Slippery Elm {Ulmus fulva). 



Winged Elm ( Ulmus alata) . 



Hackberry {Celtis occidentalis) . 



Mulberry {Morus rubra) . 



Cucumber Tree {Magnolia acuminata). 



Umbrella Tree, Eklwood {Magnolia tripetala). Common. 



Great-leaved Magnolia (Magnolia macrophylla) . 



Tulip Poplar (Liriodendron tulipifera). Common. 



Papaw (Asimina triloba). Common. 



Sweet Gum {Liquidambar styraciflua) . Occasional. 



Sycamore {Platanus occidentalis). 



Red Haw (Crataegus sp. ) 



Blackberry (Rubus sp. ) Common. 



Red Bud {Cercis canadensis). 



Black Locust {Robinia pseudacacia) . 



Tree of Heaven {Ailanthus glandulosus) . 



Dwarf Sumach {Rhus copallina) . 



Holly {Rex opaca). 



Dahoon Holly {Rex cassine). 



