ERICACEAE. (HEATH FAMILY.) 2G3 



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



ribs separating at maturity. 



■*- Corolla ovate, cylindrical, or somewhat bell-shaped: anthers or filaments awncd : 



capsule ocate, truncate : shrubs smooth throughout. 



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

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

 lanceolate-ovate, spreading; corolla cylindrical-ovate, gibbons at the base; fila- 

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

 Shrub 2°-G° 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 (V long) cylindrical white corolla ; filaments 2-awned 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, -r- Low pine barrens, Florida to North Carolina. — 

 Shrub 3° - 4° high. 



•*- -t- Corolla small, nearly globular, scurfy: anthers and filaments aimless: 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 revolutc ; 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 ^'-1' 

 long. 



7. A. ligUStrina, Mnhl. 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-toothcd. Stamens 10: anthers awnless, 



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



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



6crrulate acuminate leaves, on slender petioles, and white flowers in long and 



6lender 1 -sided terminal panicled racemes. 



I. 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. 



