ALTAMAHA GRIT REGION OF GEORGIA 281 



irwin, colquitt. Fl. June-July. More common farther 

 inland. 

 Widely distributed in the Southeastern United States, mostly 

 in the coastal plain. 



R. alba macra Clarke; Britton, Trans. N. Y. Acad. Sci. n: 88. 

 1892. 



Wet pine-barrens; rare, coffee (716), irwin. Fl. Sept.- 



Oct. Not seen elsewhere in the state. 

 South to Florida, west to Texas, in the pine-barrens. 



R. semiplumosa Gray, Ann. Lye. N. Y. 3 : 213. 1835. 



Intermediate and moist pine-barrens; not rare, bulloch 



(553, 8gj), EMANUEL, DODGE, COFFEE (706) , WILCOX, IRWIN, 



berrien, colquitt, decatur. Fl. May-July. Inland to 

 Sumter and Lee Counties, coastward to Charlton. 

 South to Florida, west to Louisiana, in the pine-barrens. 



R. plumosa Ell., Sk. 1: 58. 1816. 



Dry pine-barrens and rock outcrops; apparently rare, bul- 

 loch (859), tattnall (2 1 56), coffee. Fl. April- June. 



South Carolina to West Florida and Louisiana, in the pine- 

 barrens. 



R. oligantha Gray, Ann. Lye. N. Y. 3 : 212. 1835. 



Moist pine-barrens; inconspicuous, coffee, wilcox, irwin, 



berrien. Fl. May-June. Also in Sumter County. 

 North Carolina to northeastern Florida and Texas, in the 



pine-barrens. 



R. Chapmani M. A. Curtis, Am. Jour. Sci. II. 7: 409. 1849. 

 Moist pine-barrens, or sometimes along roadsides or in other 

 unnatural places; rare, coffee, irwin (1420), decatur. 

 Fl. July-Aug. Also in Bryan County. 

 North Carolina to northern Florida and Louisiana, in the 

 pine-barrens. 



R. pusilla Chapm. Fl. 528. i860. 



Moist or intermediate pine-barrens; rare, tattnall (pp/), 



COFFEE. 



South to Florida and Cuba, west to Texas. 



