VOL. II.] HEATH FAMILY. 559 



3. Azalea lutea L. Flame Azalea. (Fig. 2745.) 



Azalea lutea L. Sp. PI. 150. 1753. 



A. calendulacea Michx. Fl. Bor. Am. i: 151. 1803. 



Rhododendron calendulaceum Torr. Fl. N. & Mid. 



U. S. 425. 1824. 



A shrub, 4-i5 high, similar to the preceding 

 species, the twigs mostly glabrous. Leaves obo- 

 vate or oval, permanently more or less canescent 

 or tomentose beneath, glabrous, or with some 

 scattered hairs above, the margins ciliolate-ser- 

 rulate; pedicels short, pilose or glandular; flowers 

 orange-yellow or red, very showy, slightly fra- 

 grant, expandingbeforeorwiththeleaves; corolla- 

 tube about the length of the nearly regular limb, 

 glandular-pilose, the limb often -2' broad; stamens 

 long-exserted; capsule linear-oblong, about 8" 

 high, erect, more or less pubescent. 



In dry woods, southern New York, and the 

 mountains of Pennsylvania to Georgia, nearer the 

 coast in North Carolina. Fine in cultivation. May- 

 June. 



4. Azalea arborescens Pursh. Smooth 

 or Tree Azalea. (Fig. 2746.) 



Azalea arborescens Pursh. Fl. Am. Sept. 152. 1814. 

 Rhododendron arborescens Torr. Fl. N. & Mid. U. S. 



425- 1824. 



A shrub, 8-2O high, glabrous or nearly so 

 throughout. Leaves obovate, oblanceolate or oval, 

 acute at both ends or sometimes abruptly acuminate 

 at the apex, manifestly petioled, firm, bright green 

 and shining above, light green beneath, 2 / -4 / long, 

 fragrant in drying, the margins ciliate; flowers 

 white, or tinged with pink, very fragrant, the limb 

 nearly regular, 1%'-*' broad, about as long as the 

 slender glandular tube; pedicels short, glandular; 

 stamens and style red, long-exserted; capsule ob- 

 long, densely glandular, 6 // -8 // long. 



In woods, southern Pennsylvania to North Carolina. 

 Ascends to 2500 ft. in North Carolina. June-July. 



5. Azalea viscosa L. Swamp Pink or 

 Honeysuckle. White Azalea. (Fig. 2747.) 



Azalea viscosa L. Sp. PI. 151. 1753. 

 Rhododendron viscosum Torr. Fl. N. & Mid. U. S. 

 424. 1824. 



A shrub, 4-8 high, usually much branched, 

 the twigs hairy. Leaves obovate-oblong to 

 oblanceolate, 2 / ~4 / long, very short-petioled, 

 obtuse and mucronulate or acute at the apex, 

 narrowed at the base, glabrous or with a few 

 scattered hairs above, more or less bristly 

 hairy on the veins beneath, ciliolate, green on 

 both sides; flowers white, fragrant, later than 

 the leaves; pedicels glandular; corolla \ l /t f - 

 2' long, the limb i / -2 / broad, more or less 

 2-lipped, much shorter than the slender, very 

 viscid, densely glandular tube; capsule s"-?" 

 high, glandular-bristly. 



In swamps, Maine to Ohio, south to Florida and 

 Texas. Clammy Azalea. June-July. 



Azalea viscosa hispida (Pursh) Britton, Mem. Torr. 



Club, 5: 248. 1894. 

 Azalea hispida Pursh. Fl. Am. Sept. 154. 1814. 



Pedicels bristly-hispid; flowers at least the limb, pink; leaves glaucescent beneath; shrub 6- 

 15 high. Borders of ponds, Shawangunk Mountains to Pennsylvania and Montauk Point, N. Y 



