154 THE AZALEAS OF NORTH AMERICA 



July 15-17 (Nos. 62, 63, 64, 65, 67, 70, 81, 82, 84, 87) and December 15, 



1918 (No. 93), June 16 and 18 (Nos. 97, 99) and November 26 and 27, 



1919 (Nos. 100, 102, 103, 110, 111, 112, 114, 115), T. G. Harbison; 

 without locality, May 17, 1918, T. G. Harbison (Nos. 29, 33, 34, 46, 

 57). Lowndes County: Ousley, October 21, 1910, T. G. Harbison 

 (Nos. 242, 246, 251); near Valdosta, June 6-12, 1895, /. K. Small. 

 Brooks County: Quitman, April 2, 1918, T. G. Harbison (No. 5). 



Florida. Lake County: Eustis, June 1-15, 1894, G. V. Nash 

 (No. 967, type); June 16-31, G. V. Nash (No. 1306); same locality, 

 December 12, 1919, T. G. Harbison (Nos. 21, in part, 26, 27). Semi- 

 nole County: near Wekiva Springs, May 9, 1918, C. H. Baker 

 (No. 499 a-c). Orange County : near Maitland, February 27 (Nos. 

 478 a-b), June 20 (No. 529 a) and July 12, 1918, C. H. Baker (Nos. 

 529 b, 478 c, d, f); swamps, July 10, 1902, A. Fredholm (No. 5379; 

 in Gray Herb.). Polk County: Lakeland, August 1, 1918, T. G. 

 Harbison. De Soto County : Sebring, July 28, 30, 1918, T. G. 

 Harbison (Nos. 19, 20, 21, 47). Escambia County: Pensacola, 

 April 18, 1899, Biltmore Herb. (Nat. Herb. No. 969,619). Calhoun 

 County : Apalachicola, T. Drummond (in Gray Herb.). Without pre- 

 cise locality: 1842-49, F. Rugel (No. 237; Nat. Herb. 512,161); with- 

 out date, Herb. Chapman (Nat. Herb. No. 955,093). 



Alabama. MobileCounty: near Mobile, July, 1887, C. Mohr; 

 same locality, December 4, 1919, T. G. Harbison (Nos. 1, 2); Spring 

 Hill, August 6, 1897, B. F. Bush (No. 12) ; same locality, December 4, 

 1919, T. G. Harbison (Nos. 1-1). 



Mississippi. Jackson County: Ocean Springs, June 19, 1895, 

 J. Skehan. Harrison County: Biloxi, July 29, 1896, C. L. Pollard 

 (No. 1097; Nat. Herb. 271,755); August 21, 1898, S. M. Tracy (No. 

 4395; Nat. Herb. 770,586); October 30, 1917, T.G. Harbison (No. 6), 

 April 1 (No. 1), May 6 (Nos. 2, 3, 24) and July 19, 1918, T. G. Harbison 

 (No. 25-33). 



Louisiana. St. Tammany Parish: Pearl River, July 9, 1909, 

 R. S. Cocks (No. 2222); New Orleans (Covington), 1832, T. Drummond 

 (No. 190). l 



This Azalea is distinctly a species of the southern coastal plain region and extends 

 from southern Georgia or, including the variety georgianum, from middle Georgia 

 to central Florida (De Soto County) and westward along the coast to southeastern 

 Louisiana. Its type locality is Eustis, Lake County, Florida. It inhabits swamps 

 or moist sandy soil and is usually a tall shrub 2 to 7 m. high. 



Rhododendron serrulatum is closely related to R. triscosiim and takes its place south 



1 See footnote on page 153. 



