44 NORTH AMERICAN FLORA [VoLuME 29 
oval, oblanceolate, or cuneate, 4-10 cm. long, abruptly gland-tipped, ciliate, but otherwise 
glabrous at maturity, shining above, bright-green and glaucous beneath, short-petioled; 
flower-clusters expanding after the leaves; pedicels glandular-pubescent; calyx-lobes oblong 
to lanceolate, glandular-ciliate, obutse or acutish; corolla white or pink, 3-4 em. long, the lobes 
mostly acuminate; anthers about 2 mm. long; capsules oblong to narrowly ovoid, 1-2 cm. 
long, copiously glandular-pubescent. 
TYPE LocaLity: Near the Blue Mountains, Pennsylvania. 
DISTRIBUTION: Pennsylvania to Georgia, Kentucky, and Alabama. 
In.ustrations: Garden & Forest 1: f. 64; Britt. & Brown, Ill. Fl. f. 2746; ed. 2. f. 3218. 
11. Azalea prunifolia Small, Fl. SE. U.S. ed. 2. 1356. 1913. 
A shrub 3 m. tall or less, with irregular branches and glabrous twigs; leaf-blades obovate, 
oval, or narrowly elliptic, 2.5-8 cm. long, abruptly gland-tipped, acute or slightly acuminate, 
deep-green above, somewhat pale-green beneath, glabrous, except for scattered hairs on the 
midrib and on the veins beneath, and the ciliate margins, slender-petioled; flower-clusters 
expanding after the leaves; pedicels hirsute; calyx-lobes ovate or half-orbicular, coarsely 
long-ciliate, obtuse; corolla crimson, 2-2.5 em. long, the tube glabrous or with scattered 
hairs, gradually dilated from the base to the limb, the lobes broad, abruptly pointed; anthers 
2.5-3 mm. long; capsules gradually narrowed upward, about 2 cm. long, strigose. 
Type LocaLity: About two miles northwest of Cuthbert, Georgia. 
DISTRIBUTION: Southwestern Georgia and eastern Alabama. 
12. Azalea californica T. & G.; Durand, Jour. Acad. 
Phila. II. 3: 94. 1855. 
Azalea occidentalis T. & G.; Torr. Pacif. R. R. Rep. 4: 116, 1857. 
Rhododendron occidentale A. Gray, Bot. Calif. 1: 458. 1876. 
A shrub 3 m. tall or less, with glabrous or sparingly soft-pubescent twigs; leaf-blades 
elliptic to oblong-oblanceolate, 3-9 cm. long, acute or obtuse and abruptly gland-tipped, with 
short scattered hairs on both sides, or merely ciliate at maturity, except the pubescent petiole; 
flower-clusters appearing after the leaves; pedicels glandular-pubescent; calyx-lobes oblong 
to ovate, ciliate, obtuse; corolla white or pink-tinged and with a yellow band on each lobe, 
3.5~4.5 em. long, the lobes acute or acutish; anthers 2.5—-3 mm. long; capsules oblong or some- 
what narrowed upward, 1-2 cm. long, pubescent. 
TyPE Locality: Hills along Deer Creek, Nevada County, California. 
DISTRIBUTION: Mountains of southern Oregon and California. 
ILLUSTRATION: M. E. Parsons, Wild Fl. Calif. 87. 
8. RHODORA L.. Sp. Pl. ed. 2.561. 1762. 
Shrubs with many stiff branches and branchlets. Leaves alternate, approximate or 
scattered on the young branchlets; blades rather broad, thinnish, entire, sometimes undulate, 
somewhat callous-margined, petioled. Flowers in clusters appearing before the leaves, from 
buds of few thin caducous scales. Calyx very small, shallowly lobed, usually oblique. Corolla 
bright-colored, irregular, 2-lipped, the tube very short, the upper lip with 3 narrow lobes, the 
lower lip parted nearly or quite to the base, the lobes nearly distinct. Stamens 10, not ex- 
ceeding the corolla; filaments slender, somewhat unequal; anthers globular or nearly so. 
Ovary 5-celled, very short; style slender, declined; stigma enlarged, slightly lobed. Capsule 
stout, curved, obscurely lobed. 
Type species, Rhodora canadensis L,. 
1. Rhodora canadensis L. Sp. Pl. ed. 2. 561. 1762. 
Rhodora congesta Moench. Meth. 68. 1794. : 
Rhododendron pulchellum Salisb. Prodr. 287. 1796. 
Rhododendron Rhodora G. Don, Gen. Hist. 3: 848. 1834. 
Rhododendron canadense B. S. P. Prel. Cat. N. Y. 33. 1888. 
A much-branched shrub 1 m. tall or less, with irregular erect or ascending slender branches 
and finely pubescent twigs; leaf-blades oblong, elliptic, or oval, 2-6 cm. long, obtuse at the 
apex and usually mucronulate, deep-green and somewhat strigose above, pale and more’ or 
