110 Pennell: Plants of the southern United States 



> April 8-9, 1904, A. B. Burgess 717 (Y.). Santa Rosa: moist 

 sandy soil, Milton, > September 9, 1912, F. W. Pennell 4577 (P.). 

 Volusia: New Smyrna, Baldwin (A.). 



Alabama. Escambia: Flomaton, > August 24, 1897, S. M. 

 Tracy 3551 (Y.). Mobile: sandy pine-land. Spring Hill, < Sep- 

 tember 5, 1912, F. W. Pennell 4533 (P.)- 



MississiPPL Harrison: Biloxi, < July 30, 1897, S. M. Tracy 

 3561 (Y.). Jackson: Horn Island, > July 14, 1899, 5. M. Tracy 

 6388 (Y.). 



Louisiana. Plaquemines: Breton Island, < August 18, 1900, 

 S. M. Tracy & F. E. Lloyd 273 (P.). 



Texas. Bexar: San Antonio, > June, , Blake (Y.). 



Brazos: gravelly banks, Bryan, > May 28, 1915, E. J. Palmer 

 7793 (Y.). Colorado: dry sandy oak-land, Sheridan, > September 

 21, 1913, F. W. Pennell 5524 (P.), 5537 (P., Y.). Galveston: 

 sands, Galveston, > August 8, 1902, /. Reverchon 3415 (Y.). 

 Harris: sandy soil, Houston, > May 29, 1903, Biltmore Herbarium 

 6685a (Y.). Montgomery: < July 18-21, 1909, R. A. Dixon 

 4go (Y.). Nueces: near sea-level. Corpus Christi Bay, > April 

 9-12, 1894, A. A. Heller 1555 (Y.). Travis: loose loam soil, 

 Austin, > September 13, 1913, F. W. Pennell 5433 (P.), 5434 (P.). 

 Victoria: black sandy loam, Victoria, > September 19, 1913, 

 F. W. Pennell 5503 (P., Y.). Walker: in a pine grove, Huntsville, 



> July 9-12, 1909, R. A. Dixon 406 (Y.). 



Also in Cuba, where known as C. hamipila Wright. 



9. Commelina elegans HBK. 



Commelina elegans HBK. Nov. Gen. et Sp. i: 259. 1816. 



"Crescit in regno Novogranatensi, locis temperatis, umbrosis, 



ad ripas fluvii Juanambu, alt. 760 hexap." Description 



apparently of species here considered. 



Flowers and fruits throughout the season. 



Moist soil, apparently throughout tropical America from 

 southern Florida and southern Texas to Argentina. 



Florida. "Chitto River, South Florida," < September, 

 1878, A. P. Garber 48 (A., Y.). 



Texas. Duval: San Diego,';i884, M. B. Croft 8 (Y.). 



