ANACARDIACEAE 239 



Grows mostly on dry hillsides of limestone or shale, in the 

 northern half of the state. 



IB. Common on limestone slopes, Jackson, Madison, Morgan, Colbert, 

 Franklin, Marshall and Blount Counties. 



2A. Near Calvert Prong of Warrior River northwest of Chepultepec, 

 Blount County. 



2B. Common on Warrior River bluffs about ten miles above Tusca- 

 loosa. 



3. Lookout Mountain (Mohr). Blount County. 



4. Summit of Cheaha Mountain (Mohr). 



Schmaltzia crenata (Mill.) Greene. (Described in his Leaf- 

 lets, 1:128. 1905.) 



Differs from the preceding in being only about half as tall, 

 and having smooth leaves. 



Grows in dry woods in the coastal plain ; rather rare. 

 6C. South of Tuskegee, Macon Countv. 

 lOE.' Near Ozark, Dale County (Mohr). 

 12. Dry woods about 4 miles southwest of Hartford, Geneva County. 



TOXICODENDRON, Miller. The Poison Sumacs, etc. 

 Small trees, shrubs or vines, with pinnate or ternate leaves, 

 flowers much like those of Rhus, but berries smooth, greenish 

 white, in loose axillary clusters. The plants are very poisonous 

 to the skin of most people. 



Toxicodendron pinnatum, Mill. {Rhus Vcrnix, L. ; R. ven- 

 enata, D.C.) 



(Thunderwood, Poison Dogwood, Poison Elder.) 



A large shrub or small tree, resembling the true sumacs in 

 habit, with smooth bark, and smooth pinnate leaves. Blooms in 

 late spring. Although very poisonous, its juice has been used for 

 lacquer or black dye. 



Grows in sandy bogs, non-alluvial swamps, etc., mostly where 

 less than 5% of the area was cultivated in cotton in 1880. Rarely 

 seen in or near the Tennessee Valley and black belt. 



2A. Cullman County (Mohr). 



3. Near Woodstock, Bibb County. 



4. Swampy place in saddle between Cedar Mountain and the main Blue 

 Ridge, Clay County. 



6. Fayette, Pickens, Tuscaloosa and Chilton Counties. 

 6B. Autauga County. 



7. Dallas County (Cocks). 

 lOE. Pike and Coffee Counties. 



6. Fayette, Pickens, Tuscaloosa and Chilton Counties. 



11. Clarke County. 



12. Washington County. 



13. Common in all the counties, except perhaps Escambia. 



