ERICACEAE. (HEATH FAMILY.) 207 



stamens and style very much cxserted. — Mountains of Penn. to Virginia, and 

 southward. June. — Shrub 3° -10° high, with thickish leaves, and very l Va- 

 grant rose-colored blossoms larger than in No. 3. 



2. A. viscdsa, L. (Clammy Azalea. White Swamp-Honeysuc- 

 kle.) Branchlets bristly, as well as the margins and midrib of the oblong-obo- 

 vate otherwise smooth leaves ; calyx-lobes minute ; corolla clammy, the tube much 



longer than the lobes ; stamens moderately, the style conspicuously, cxserted . 



Var. glauca has the leaves paler and often white-glaucous underneath or both 

 sides, sometimes rough-hairy. Var. nitida is dwarf, with oblanceolate leaves 

 green both sides. — Swamps, Maine to E. Kentucky, mostly near the coast. 

 June, July. — Shrub 4° - 10° high, very variable, with clammy fragrant flowers, 

 white or tinged with rose-color. 



* # Flowers appearing before or with the leaves. 



3. A. nudindra, L. (Purple Azalea. Pixxter-flowek.) Branch- 

 lets rather hairy ; leaves obovatc or oblong, downy underneath ; calyx very short ; 

 tube of the corolla scarcely longer than the ample lobes, slightly glandular ; stamens 

 and style much cxserted. — Swamps, Massachusetts and New York to Virginia, 

 and southward. April, May. — Shrub 2° -6° high, with very showy flowers 

 varying from flesh-color to pink and purple. There are numberless varieties, 

 some of them exhibiting 10 or more stamens. 



4. .4. calcndalacea, Michx. (Flame-colored Azalea.) Branch- 

 lets and obovate or oblong leaves hairy ; calyx-lobes oblong, rather conspicuous ; 

 tube of the corolla shorter than the lobes, hairy ; stamens and style much cxserted. 

 — Woods, mountains of Penn. to Virginia, Kentucky, and southward. May. — 

 Shrub 3° -10° high, covered just when the leaves appear with a profusion of 

 large orange blossoms, usually turning to flame-color, not fragrant. 



17. RHODODENDRON, L. Rose-bay. 



Calyx 5-parted, minute in our species. Corolla bell-shaped or partly funnel- 

 form, sometimes slightly irregular, 5-lobed. Stamens 10 (rarely fewer), com- 

 monly declined : anthers, pods, &c. as in Azalea. — Shrubs or low trees, with 

 evergreen entire alternate leaves, and large showy flowers in compact terminal 

 corymbs or clusters from large scaly-bracted buds. ('PoooSei'5'poi', rose-tree ; the 

 ancient name.) 



1. R. maximum, L. (Great Laurel.) Leaves elliptical-oblong or 

 lance-oblong, acute, narrowed towards the base, very smooth, with somewhat revo- 

 lute margins; corolla bell-shaped. — Damp deep woods, sparingly in New Eng- 

 land, New York, and Ohio, but very common along shaded water-courses in the 

 mountains of Penn. and southward. July. — Shrub or tree 6° - 20° high. Leaves 

 4' - 10' long, very thick. Corolla 1' broad, pale rose-color or nearly white, green- 

 ish in the throat on the upper side, and spotted with yellow or reddish. 



2. R. CatawMcnse, Michx. Leaves oval or oblong, rounded at both ends, 

 smooth, pale beneath (3' -5' long); corolla broadly bell-shaped, lilac-purple; 

 pedicels rusty-downy. — High summits of the Alleghanies, Virginia and south- 

 ward. June. — Shrub 3° - 6° high. 



3. R. L.app6iiicum, Wahl. (Lapland Rose-bay.) Dwarf, pro* 



22* 



