162 THE AZALEAS OF NORTH AMERICA 



region, but I have seen no specimens of it from Maine, New Hampshire, nor from 

 North and South Carolina. A specimen from Lee County, Alabama, seems 

 doubtful. 



Rhododendron viscosum var. nitidum A. Gray, Syn. Fl. II. 1, 41 

 (1878). Ward, Guide FL Wash. 95 (1881). Owen, PL Nantucket, 

 39 (1888). Britton, Cat. PL N. Jersey, 162 (1889). Coulter & 

 Watson, Gray's Man. ed. 6, 320 (1890). Voss, Vilmorin's Blu- 

 mengart. I. 588 (1894), as forma. Deane in Rhodora, I. 94 (1899); 

 III. 197 (1901). Fernald & Robinson, Gray's New Man. 631 (1908). 

 Graves & others, Cat. FL PL Conn. 308 (1910). 



? Azalea lucida Meerburgh, PL Select. Icon. t. 7 (1798). 



? Azalea spathulata Dumont de Courset, Bot. Cult. III. 335 (1811), as "sous- 

 var." of A. viscosa. 



Azalea nitida Pursh, FL Am. Sept. I. 153 (1814). De Candolle, Prodr. VII. 

 716 (1839). 



Rhododendron nitidum Torrey, FL U. S. I. 425 (1824). G. Don, Gen. Syst. 

 III. 847 (1834). 



Azalea viscosa var. nitida Gray, Man. ed. 2, 257 (1856). Wood, Classb. Bot. 

 489 (1870); Am. Bot. FL 203 (1870). Nicholson, III. Diet. Gard. I. 150 

 (1887). Britton in Mem. Torr. Bot. Club, V. 248 (1894) ; Man. 699 (1901). 

 Britton & Brown, III. FL 560 (1897). Jelliffe, FL Long Island, 124 

 (1899). Porter, FL Pennsylv. 239 (1903). Keller & Brown, Handb. Fl. 

 Phila. 246 (1905). Millspaugh, Uv. FL W. Virginia, 323 (in W. Va. Geol. 

 Surv.) (1913). 



This form differs from the type chiefly in its dwarfer habit and in its smaller 

 leaves obovate-oblong or narrowly elliptic to oblanceolate, acute at the ends or 

 abruptly acuminate, green on both sides, sometimes strigose above. The flowers 

 are usually more or less pinkish. 



This form occurs with the type from Massachusetts to eastern North Carolina 

 and is apparently a coastal plain form; the most southern specimens I have seen 

 are from Newbern, Craven County, North Carolina (T. G. Harbison, Nos. 45, 46, 

 47, 49, 53, 55, 56, June 6, 1918); a specimen collected near the same locality (May 

 26, 1919; No. 129) by the same collector is typical R. viscosum. 



Rhododendron viscosum var. tomentosum Rehder, comb. nov. 



Azalea tomentosa Dumont de Courset, Bot. Cult. ed. 2, III. 336 (1811), as var. 



of A. viscosa. Bosse, Vollst. Handb. Blumengart. I. 341 (1840). 

 ? Azalea tomentosa Dur. ex Steudel, Nomencl. 1. 96 (1821), as var. of A. pro- 



cumbens. 1 

 Azalea viscosa tomentosa Hort. Angl. ex Bosse, I. c. (1840), as synonym. 



MARYLAND. Prince Georges County: Hyattsville, June 27, 

 F. H. Knowlton (Nat. Herb. 335,818); June 4, 1905, H. D. House 

 (No. 925 a, Nat. Herb. No. 492,824, in part). 



1 The author citation "Dur." is possibly a mistake for "Dum." Duroi describes 

 only Azalea viscosa in his Harbkesche Baumzucht. Why Steudel refers A. tomen- 

 tosa to A. procumbens is not clear to me. 



