568 



ERICACEAE. 



[VOL. II. 



white, drooping, in terminal umbels. Calyx deeply 5-parted, persistent, the lobes not im- 

 bricated. Corolla globose-urceolate, 5-toothed, the teeth recurved. Stamens 10, included; 

 filaments bearded; anthers attached to the filaments at about the middle, ovate, obtuse, the 

 sacs opening by large terminal pores, each with a reflexed awn. Disk lo-lobed. Ovary 5- 

 celled; style columnar; stigma simple; ovules numerous. Capsule subglobose, 5- angled, 

 loculicidally 5-valved, many-seeded, the top intruded. Seeds oval, spreading in all direc- 

 tions, the testa smooth, coriaceous, shining. [Named for Andromeda of mythology.] 

 A monotypic genus of the north temperate and subarctic zone. 



i. Andromeda Polifdlia L,. Wild Rosemary. 

 Marsh Holy Rose. Moorwort. (Fig. 2767.) 



Andromeda Polifolia L- Sp. PI. 393. 1753. 



A shrub, i-3 high, usually little branched, the 

 foliage acid. Leaves linear, linear-oblong or lanceo- 

 late-oblong, sometimes slightly spatulate, acute or ob- 

 tusish, mucronulate, narrowed at the base, dark green 

 above, prominently white-glaucous beneath, i f -z%' 

 long, 1"-$" wide, the margins strongly revolute; 

 petioles about \" long; umbels few-flowered, terminal; 

 bracts small, ovate, persistent; pedicels 4 // -6' / long; 

 calyx-lobes triangular-ovate, acute; corolla 2 // -3" in 

 diameter; capsule about 2" in diameter, about as long 

 as the persistent style. 



In bogs, Labrador and Newfoundland through arctic 

 America to Alaska, south to northern New Jersey, Pi- mi- 

 sylvania, Michigan and British Columbia. Also in north- 

 ern Europe and Asia. May-June. 



13. PIERIS D. Don, Edinb. New Phil. Journ. 17: 159. 1834. 



Shrubs or small trees. Leaves alternate, persistent or tardily deciduous, petioled, entire or 

 serrulate. Flowers mostly white, in terminal or axillary bracted racemes or umbels, the ped- 

 icels commonly i-3-bracteolate. Calyx deeply 5-parted, the lobes ovate, acute, valvate in 

 the bud, soon spreading, persistent. Corolla urceolate-cylindric, 5-toothed, the teeth re- 

 curved. Stamens 10, included; filaments narrow, often pubescent or ciliate, 2-toothed or 2- 

 spurred at or below the apex, or unappendaged; anthers oblong or ovoid, the sacs opening 

 by large terminal oval pores, each with a slender awn on its back at the junction with the 

 filament, or awnless. Disk lo-lobed. Ovary 5-celled; ovules numerous; style columnar; 

 stigma truncate. Capsule globose or ovoid, 5-angled, s-celled. Seeds numerous, linear-ob- 

 long, not winged, clavate or falcate, the testa smooth, membranous. [Name from one of the 

 Muses.] 



About 12 species, natives of eastern North America, Cuba, eastern Asia and the Himalayas. 

 Leaves coriaceous, evergreen, serrulate; flowers racemose. i. P. floribunda. 



Leaves coriaceous, evergreen, entire; flowers in axillary umbels. 2. P. nitida. 



Leaves membranous, deciduous, entire; flowers in lateral umbels. 3. /'. Mariana. 



i. Pieris floribunda (Pursh) Benth. & 

 Hook. Mountain Fetter-bush. (Fig. 2768.) 



Andromeda floribunda Pursh, Fl. Am. Sept. 293. 1814. 

 Portuna floribunda Nutt. Trans. Am. Phil. Soc, (II) 



8: 268. 1843. 

 Pieris floribunda Benth. & Hook.Gen. PI. 2: 588. 1876. 



A shrub, 2-6 high, with nearly erect bristly or 

 strigose-pubescent very leafy branches. Leaves 

 oblong to ovate lanceolate, coriaceous, persistent, 

 evergreen, serrulate and bristly-ciliate, glabrous 

 above, black-dotted beneath, acute or acuminate at 

 the apex, usually rounded or obtuse at the base, 

 I /^ / ~3 / long. #'-!' wide; petioles 2 // -4 // long, 

 very bristly, at least when young; flowers white, in 

 terminal clustered slender dense racemes, drooping, 

 about 3K" long; calyx-segments ovate-lanceolate, 

 acute, valvate in the 5-angled bud; corolla slightly 

 5-angled, 5-saccate at the base; filaments unappen- 

 daged; capsule globose-ovoid, about 2" high, longer 

 than the slender style; seeds linear-oblong, the testa 

 loose and cellular. 



Mountains of Virginia to Georgia. May. 



