Vor. II.] HEATH FAMILY. 559 
3. Azalea lutea L. Flame Azalea. (Fig. 2745.) 
Azalea lutea I,. Sp. Pl. 150. 1753. 
A. calendulacea Michx. F\. Bor. Am. 1: 151. 1803. 
Rhododendron calendulaceum Torr. Fl. N. & Mid. 
U.S. 425. 1824. 
A shrub, 4°-15° 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, expanding before or withthe leaves; 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 arboréscens 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°-20° 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, 114/-2’ 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. 
W, 
5. Azalea viscosa L. Swamp Pink or 
Honeysuckle. White Azalea. (Fig. 2747.) 
Azalea viscosa l,. Sp. Pl. 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 1%4/- 
2’ long, the limb 1/-2’ broad, more or less 
2-lipped, much shorter than the slender, very 
viscid, densely glandular tube; capsule 5//—7/’ 
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 
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