ERICACEJE. (HEATH FAMILY.) 2G3 



* * Flowers in umbel-like clusters : capsule more or less ribbed at the sutures, the 



ribs separating at maturity. 



-t- Corolla ovate, cylindrical, or somewhat bell-shaped: anthers or filaments awned: 



capsule orate, truncate : shrubs smooth throughout. 



3. A. nitida, Bartr. Branches 3-angled ; leaves evergreen, ovate or ob- 

 long, entire, shining ; clusters axillary, very numerous, 6- 12-flowcrcd; sepals 

 lanceolate-ovate, spreading ; corolla cylindrical-ovate, gibbous at the base; lila- 

 ments 2-awncd at the apex. — Low pine barrens, common. March -May. — 

 Shrub 2° -6° high. Corolla white, red, or purple, odorous. 



4. A. Mariana, L. Leaves deciduous, oblong, obtuse or acute, entire; 

 flowering stems commonly leafless ; calyx-lobes lanceolate, acute, half as long 

 as the large (£' long) cylindrical white corolla ; filaments 2-awncd near the 

 apex. — Damp soil near the coast, Florida, and northward. April and May. — 

 Stem 2°- 4° high, often simple. Leaves 2'- 3' long. 



5. A. speciosa, Michx. Leaves deciduous, oblong or elliptical, obtuse, 

 serrate, often whitish beneath ; flowering stems mostly leafless ; calyx-lobes 

 ovate, several times shorter than the large bell-shaped white corolla ; anther- 

 cells 2-awned at the apex. — Low pine barrens, Florida to North Carolina. — 

 Shrub 3° - 4° high. 



-t- -t- Corolla small, nearly globular, scurfy: anthers and filaments awnless : cap- 

 sule globose : shrubs pubescent, or scurfy. 



6. A. ferruginea, Walt. Branches and young leaves scurfy ; leaves 

 evergreen, obovate or lanceolate-obovate, rigid, at length smooth above and 

 whitish beneath ; the margins mostly revolute ; clusters few-flowered. (A. ri- 

 gida, Pursh.) — Low sandy pine barrens, Florida to South Carolina, and west- 

 ward. — A low shrub or small tree. Branches very leafy, rigid. Leaves J'- 1' 

 long. 



7. A. ligustrina, Muhl. Leaves deciduous, oblong or oblong-obovate, 

 serrulate, acute, pubescent like the branches, paler beneath ; clusters few-flow- 

 ered, disposed in compound more or less leafy panicled racemes ; filaments 

 hairy, awnless. (A. frondosa, Pursh., with racemes more leafy and the fila- 

 ments slightly awned at the apex.) — Margins of swamps, Florida to Missis- 

 sippi, and northward. May. — Shrub 3° -4° high. Leaves 2' long. Flowers 

 very small. 



8. OXYDENDRUM, DC. Sour-wood. Sorrel-tree. 



Calyx 5-parted. Corolla ovate, 5-toothed. Stamens 10: anthers awnless, 

 opening by terminal chinks ; the cells acuminate. Capsule conical, 5-anglcd, 

 5-celled, many-seeded. Seeds ascending — A small tree, with deciduous oblong 

 serrulate acuminate leaves, on slender petioles, and white flowers in long and 

 slender 1-sided terminal panicled racemes. 



1. O. arboreum, DC. (Andromeda arborea, L ) — Rich woods, Florida 

 to Mississippi, and northward. April and May. — Tree 15° -40° high. Leaves 

 4' - 6' long, sour. Corolla pubescent. 



