ALTAMAHA GRIT REGION OF GEORGIA 141 



tween Pridgen and Barrow's Bluff, May 14, 1904, in flower. 

 Doubtless elsewhere in our territory, but nowhere common, 

 and not free from the suspicion of being introduced in some 

 places. 

 Virginia to Florida and Mississippi, in the Piedmont region 

 and coastal plain. 



BERLATTDIERA DC, Prodr. 5:517. 1836. 

 B. pumila (Mx.) Nutt., Trans. Am. Phil. Soc. II. 7:342. 1840. 

 B. tomentosa (Pursh) Nutt., I.e. 343. 



Dry pine-barrens, sand-hills, etc. ; not abundant, tattnall, 



MONTGOMERY, TELFAIR, COFFEE, DECATUR. Fl. April-Sept. 



Pretty widely distributed over South Georgia. 

 North Carolina to Florida and Arkansas, in the coastal plain. 



SILPHIUM L., Sp. PI. 919. 1753. 

 S. Asteriscus angustatum Gray, Syn. Fl. ed. 2, i 1 :^^. 1886. 



S. anguslwm Small, Fl. 1244. 1903. 

 (?) 5. lanceolatum Nutt., Trans. Am. Phil. Soc. 11.7:341. 1840. 

 colquitt: Dry pine-barrens south of Moultrie, Aug. 24, 



1903 (T947). 

 Nuttall's plant, which may be the same as ours, came from 



the vicinity of Milledgeville. 

 Known otherwise from Gadsden County, Florida, and 

 Baldwin and Mobile Counties, Alabama. 

 S. compositum Mx., Fl. 2:145. 1803. 



telfair: Dry pine-barrens southwest of McRae, July 4, 1903. 

 North Carolina to northern Florida and Alabama, from the 

 mountains to the coastal plain. 



ACANTHOSPERMUM Schrank, PI. Rar. Hort, Monac. 2 : pi. 



53- l8l 9- 

 A. australe (L.) Kuntze, Rev. 1:303. 1891. 



One of our commonest weeds, growing along roads and rail- 

 roads in nearly every settlement, usually with Helenium 

 tenuijolium. Fl. May-Oct. 



Introduced from the tropics, and now common from North 

 Carolina to Florida and Louisiana, especially in the coastal 

 plain. 



