ENUMERATION OF THE SPECIES 139 



Azalea canescens Pursh, Fl. Am. Sept. 1. 152 (1814), in part, as to the specimen 

 from Virginia, 1 not Michaux. — Eaton, M an. Bot. 165 (1818). — Britton & 

 Brown, III. Fl. II. fig. 2744 (1897). — Clute, Fl. Upp. Susquehanna, 70 

 (1898). — Britton, Man, 698 (1901). — Porter, Fl. Pennsylv. 238 (1903). — 

 Millspaugh, Liv. Fl. W. Virginia, 322 (in W. Va. Geol. Sun.) (1913).— 

 House, Wild Fl. N. Y. II. 201 (1920), excl. figure. 



Azalea nudiflora «. rosea Sweet, Hort. Brit, 265 (1826), name only. — Loddiges 

 apud Loudon, Arb. Brit. II, 1142, fig. 945 (1838), name and figure only. 



lAzalea calendulacea 8. cupraea Sweet, Hort. Brit. 265 (1826), name only. — 

 Loddiges, Bot. Cab. XIV. t. 1394 (1828). 



1 Rhododendron calendulaceum 8. cupreum Sweet, Hort. Brit. ed. 2, 343 (1830), 

 name only. 



Rhododendron nudiflorum «. roseum Sweet, Hort. Brit. ed. 2, 344 (1830). 



Rhododendron nudiflorum Darlington, Fl. Cestrica, ed. 2, 262 (1837), not 

 Torrey. 2 — Oakes, Cat. Vermont PI. 190 (in Thompson, Hist. Vermont) 

 (1842); reprint p. 18 (1842). — Dudley, Cayuga Fl. 59 (in Bull. Cornell 

 Univ. II.) (1886).— Perkins, Cat. Fl. Vermont, 33 (1888). — Beckwith & 

 Macauley, PI. Monroe Co. N. Y. 83 (in Proc. Rochester Acad. Sci. III.) (1894), 

 in part. 



Azalea nudiflora Darlington, Fl. Cestrica, 26 (1826) . 2 — Wright & Hall, Cat. 

 PI. Troy, 8 (1836). — Clinton, Prelim. List PI. Buffalo, 7 (1864). — Payne, 

 Cat. PI. Oneida Co. 51 (in Rep. Regents Univ. N. Y.) (1865). — Patterson, 

 Cat. PI. Illinois, 25 (1876). — D. F. Day, PI. Buffalo, 115 (in Bull. Buffalo 

 Nat. Sci. IV.) (1882). — Meehan in M eehan's Monthly, II. 17, t. 2 (1892). 3 — 

 Kellerman, Cat. Ohio PI. 129 (in Rep. Geol. Surv. I.) (1914), in part. — 

 Schaffner, Cat. Ohio Vase. PI. (in Ohio Biol. Surv. I.) (1914), in part. 



Rhododendron canescens Porter in Bull. Torr. Bot. Club XVI. 220 (1889), not 

 Sweet. — Dudley & Thurston, Cat. PI. Lackawanna & Wyoming Valleys, 

 38 (1892). — Deane in Rhodora, III. 196 (1901). — Fernald & Robinson, 

 Gray's New Man. 631 (1908). — Jackson, Cat. PI. Worcester Co. Mass. 

 76 (1909). — Graves & others, Cat. Flow. PI. Conn. 308 (1910). — Stone, 

 List PI. Frankl. Hampshire, Hampden Cos. Mass. 48 (1913). — Rehder in 

 Bailey, Stand. Cycl. Hort. V. 2942 (1916). — Twining, Fl. N. E. Pennsylv. 56 

 (1917). 



Azalea prinophyUa Small in N. Am. Fl. XXIX. 42 (1914). — Taylor, Fl. Vicin. 

 N. Y. 488 (in Mem. N. T. Bot. Gard. V.) (1915). 



Rhododendron prinophyllum Millais, Rhodod. 229 (1917). — Millais & Williams 

 in Rhodod. Soc. Notes, I. 125 (1918). 4 



A shrub 1 to 3, rarely to 5 m. tall, with irregularly whorled branches; the young 

 branchlets finely pubescent, and usually sparingly strigose, becoming grayish 

 brown or light brown the second year; buds grayish pubescent with numerous, 



1 The phrase in the description " staminibus vix exertis " also refers to R. roseum 

 rather than R. canescens. 



2 As the leaves are described as pubescent beneath, the species must be jR. roseum 

 rather than R. nudiflorum. 



3 As Meehan describes the leaves as pubescent beneath and the corolla as glan- 

 dular, the plant figured must be R. roseum rather than R. nudiflorum. 



4 Additional Illustrations. Colored Plates: Goodale, Wild Flow. Am. 

 t. 36(1882). — Meehan' s Monthly, II. t. 2 (1892). — Black Figures: Loudon, 

 Arb. Brit. II. fig. 945 (1838), as R. nudiflorum var. rosea, after Nouv. Duhamel. — 

 Keeler, Our North. Shrubs, 349, fig. (1903), as Azalea canescens. — Stevens, III. 

 Guide Flow. PI. t. 114, fig. 1 (1910), as A. canescens. 



