240 ERICACEAE 



Menziesia pilosa. 6. May. D. Bark peeling; branchlets hairy. Ls. alternate, 

 ov., 2, entire, thin, with scattered hairs. Fls. |, white, bell-shaped, A8-10, in few- 

 flowered clusters at end of short side shoots. Fruit a dry capsule. East North 

 America. (Fig. 124 d.) 



OxYDENDRUM ARBOREUM (Andromeda arborea, Lyonia arborea). Sorrel Tree. 

 50. August-September. D. Branchlets hairless. Ls. alternate, ov., lane, 6, 

 minutely toothed, thin, hairless or nearly so. Fls. I, white, bell-shaped, in terminal 

 panicles, K5, C (5), Aio. North America. (Fig. 102 k.) 



Pernettya mucronata. Prickly Heath. 5. May-June. E. Stems sucker freely; 

 branchlets wiry. Ls. alternate, ov., |, spiny-pointed, toothed, leathery. Fls. ^, 

 white, bell-shaped, nodding, solitary in l.-axils, K (5), C (5), Aid. Fruit a berry, 

 1, white, pink, lilac, crimson, purple or black. South America. (Fig. 103 a.) 



PHYLLODOCE. Low heath-like shrubs. Ls. alternate, linear, |, blunt-ended, 

 toothed, margins recurved, crowded. Fls. bell- or egg-shaped, slender-stalked, 

 solitary or in terminal clusters, K (4-6), C (4-6), A8-12. Fruit a dry capsule. 

 P. Breweri. i. May. E. Fls. |, purple, broadly bell-shaped. California. 

 P. coerulea. f . May. E. Fls. I, bluish purple, egg-shaped. Alpine regions 



of Northern Hemisphere. (Fig. 48 a.) 

 P. empetriformis. f . May. E. Fls. ^, reddish purple, egg-shaped, sohtary in 



terminal l.-axils. West North America. 

 P. nipponica. f . May. E. Fls. I, pinkish white, bell-shaped, solitary in 

 terminal l.-axils. Japan. 



PIERIS (ANDROMEDA). Ls. alternate. Fls. white, pitcher-shaped, usually 



in terminal panicles, K5, C (5), Aid; anthers with reflexed awns. Fruit a dry 



capsule. 



{a) Ls. entire, deciduous 



P. Mariana {Xolisma Mariana). Stagger Bush. 6. June. Branchlets hairless. 



Ls. ov., lane, 3, thin but stiff, hairless, veins prominent below. Fls. \, 



nodding, in lateral racemes. East United States. (Fig. 122 G.) 

 * P. ovalifolia. 20. June. Branchlets hairless. Ls. ov., 5, firm, conspicuously 



veined, hairless or nearly so. Fls. |, nodding, in i -sided terminal and 



axillary racemes. Himalaya. (Fig. 122 F.) 



{b) Ls. toothed, evergreen 

 P.floribunda. 6. March-April. Branchlets stiff, hairy. Ls. lane, 3, minutely 



toothed, glossy green above, hairy. Fls. I, in erect panicles. South-east 



United States. (Fig. 103 e.) 

 P.formosa. 20. May. Branchlets hairless. Ls. lane, 7, leathery, glossy, 



minutely toothed, hairless. Fls. I, nodding, in drooping panicles, sepals 



green. Himalaya, China. (Fig. 103 d.) 

 P. Forrestii. 10. April. Branchlets hairless, reddish. Ls. ov., lane, 4, finely 



toothed, hairless. Fls. |, fragrant, in drooping panicles, sepals white. 



Upper Burma and China. 

 P.japonica. 10. March-April. Branchlets brown, rough with scars of fallen 



Is., often opposite or whorled. Ls. ov., lane, 3, hairless, crowded radially 



at end of shoot. Fls. I, in drooping racemes. Japan. (Fig. 103 c.) 



