ERICACEAE 883 
b. Corolla-tube over 3 em. long: Texan species. 6. A. oblongifolia. 
B. Midnerve glabrous beneath at maturity. 
Leaf-blades broadest at the middle: corolla-tube contracted upward: Flor- 
idian species. 7. A. serrulata. 
Leaf-blades broadest above the middle: corolla-tube dilated upward : Appa- 
lachian species. 8. A. arborescens. 
1. Azalea lutea L. A branching shrub 0.5-5 m. tall, with glabrate or sparingly 
pubescent foliage. Leaves unfolding after the corollas ; blades oval, elliptic or obovate, 
3-8 em. long, usually acute at both ends, ciliate, more or less densely canescent beneath, 
short-petioled : pedicels stout, 0.5-1 cm. long, glandular-pubescent : corolla yellow to red, 
often variegated ; tube gradually dilated upward, 1.5-2.5 cm. long, glandular-pubescent : 
capsules oblong or oblong-ovoid, 1-2.5 cm. long, hirsute. [A. calendulacea Michx. ] 
In dry and rocky woods, New York to Pennsylvania and chiefly in the mountains to Georgia and 
Alabama, Spring. FLAME AZALEA. 
2. Azalea canéscens Michx. An asymmetrical shrub 1-5 m. tall, with more or less 
densely pubescent young foliage. Leaves unfolding after the corollas ; blades thinnish, 
oval or elliptic, varying to obovate, 2-8 cm. long, obtuse at the apex, or usually short- 
acuminate at both ends, ciliate, canescent beneath: pedicels 1.5-2.5 cm. long, glandular : 
corolla rose-colored to whitish ; tube 1.5-2 em. long, widely dilated above the middle, 
glandular: capsules oblong or ovoid-oblong, 1-2 cm. long, glandular-pubescent. 
In rocky woods, Massachusetts to New York, south, chiefly in the mountains, to Florida and Louisi- 
ana. Spring. MOUNTAIN AZALEA. 
3. Azalea nudifldra L. An irregularly branching shrub 0.5-3 m. tall, with more or 
less densely pubescent young foliage. Leaves unfolding after the corollas; blades firm, 
oblong to obovate, 3-10 em. long, acute or short-acuminate at both ends or apiculate at the 
apex : pedicels 1-2 cm. long, strigose: corolla pink to white ; tube gradually dilated above 
the middle, 1.5-2.5 em. long, pilose and rarely sparingly glandular: capsules oblong or 
linear-oblong, 1-3 em. long, strigose or hirsute-strigose. 
On dry hillsides and in wet woods, Maine to Illinois, south to Florida and Texas. Spring. WILD 
HONEYSUCKLE. 
4. Azalea cándida Small. A rigid shrub 1-2 m. tall, with wide branching stems 
and white-tomentose young foliage. Leaves unfolding before the corollas ; blades leathery, 
obovate-oblanceolate or oblong, 1-5 cm. long, acute or apiculate, somewhat revolute, thinly 
tomentose above, densely white-tomentose and reticulated beneath, short-petioled : corolla 
white or pinkish ; tube about 2.5 cm. long ; limb about as broad as the length of the corolla- 
tube: capsules 1.5-2 cm. long, canescent, curved. 
In hammocks along the Withlacoochee River, southern Georgia. Spring. 
5. Azalea viscdsa L. A shrub 1-3 m. tall, with more or less densely pubescent 
young foliage. Leaves firm ; blades oblong or elliptic-oblanceolate, cuneate or obovate, 
2-6 cm. long, obtuse or mucronate, ciliate, dull or shining, short-petioled ; pedicels 
glandular-hirsute: corolla white or pink ; tube relatively slender, rather abruptly dilated 
near the limb, which is 2-3 em. broad : capsules 1.5-2 em. long, hirsute. 
In swamps, Maine te Ohio, south to Florida and Texas. Spring and summer. Swamp HONEY- 
UCKLE. 
6. Azalea oblongifdlia Small. A shrub 1-2 m. tall with branching erect or more or 
less spreading stems. Leaves rather firm ; blades oblong or oblong-oblanceolate, 5-10 cm. 
long, mucronate, dull and strigillose on both surfaces, ciliate, short-petioled : pedicels 
glandular-hirsute, 1-1.5 em. long: corolla white or pinkish, glandular-pubescent ; tube 
stoutish, over 3 cm. long, rather abruptly dilated near the limb. 
In sandy bogs, Tom Green County, Texas. Spring. 
7. Azalea serrulata Small. An asymmetrical shrub 2-4 m. tall, with almost glabrous 
foliage. Leaves clustered at the ends of the branches: blades thinnish, oblong to oval or 
elliptical-oblanceolate, 4-9 cm. long, mucronate, lustrous, serrulate with bristle-tipped 
teeth, narrowed into short petioles : clusters few-flowered : pedicels rather slender, 9-13 
mm. long, glandular-hirsute: corolla white: tube more or less expanded at each end, 
2.5-3 em. long, glandular-hirsute. 
In wet hammocks, Lake County, Florida. Spring. 
8. Azalea arboréscens Pursh. A shrub or small tree 0.5-6 m. tall, with almost 
glabrous foliage, fragrant in drying. Leaves firm ; blades elliptic, oval, oblanceolate or 
cuneate, 4-10 em. long, usually abruptly pointed at the apex, ciliate, usually lustrous 
above, short-petioled: pedicels 5-10 mm. long: corolla white or pink ; tube dilated above 
the middle, about 2.5 cm. long, glandular-pilose ; limb 4-5 em. broad ; lobes irregularly 
spreading: styles red : capsules oblong, 1-2 cm. long, bristly-glandular. 
Along streams in the mountains, Pennsylvania to Georgia. Spring and summer. 
