ERICACEH. (HEATH FAMILY.) 267 
very minute, numerous. — Smooth perennial herbs, with creeping roots, and 
evergreen radicalleaves. Flowers commonly white, nodding, in a simple raceme 
at the summit of the nearly naked scape. 
l. P. rotundifolia, L. Leaves orbicular, thick, nearly entire, shorter 
than the petioles ; racemes many-flowered ; stigma 5-crenate. — Dry woods in 
the mountains, Georgia, and northward. June and July. — Scape 1? high. 
16. CHIMAPHILA, Pursh. PRINCE’s PINE. 
Calyx 5-cleft. Petals 5, spreading, deciduous. Stamens 10, the filaments 
dilated in the middle : anthers somewhat 4-celled, opening by terminal pores, 
inverted in the bud. Stigma broad, 5-crenate, nearly sessile. Capsule globose, 
opening from the apex downward; the sutures naked. — Low creeping ever- 
greens, with erect branches, lanceolate serrate whorled leaves, and whitish 
umbellate nodding flowers on long peduncles. 
l. C. umbellata, Nutt. Leaves wedge-lanceolate, narrowed at the base, 
serrate above the middle, not spotted ; umbels 4 - 7-flowered ; filaments smooth. 
— Open woods, North Carolina, and northward. June.— Branches 6! — 10/ high. 
Leaves glossy. 
2. C. maculata, Pursh. Leaves lanceolate, broad at the base, toothed- 
serrate throughout, blotched with white; umbels 9— 5-flowered ; filaments vil- 
lous below. — Dry open woods in the middle and upper districts, Mississippi, 
and northward. June. — Smaller than the preceding. 
17. SHORTIA, Gray. 
Calyx 5-sepalous, scale-like, imbricated in the bud. Capsule shorter than the 
calyx, nearly globose, 3-celled, loculicidally 3-valved. Placenta large, central. 
small, numerous. Embryo terete, straight, shorter than the albumen. 
Style filiform, somewhat persistent. Corolla and stamens unknown. — A 
smooth perennial nearly stemless herb. Leaves roundish, subcordate, crenate- 
serrate, long-petioled. Scape scaly-bracted towards the summit, 1-flowered. 
l. 8. galacifolia, Gray. — High mountains of Carolina, Michauz. 
Svbonpem IV. MONOTROPEX. Tur Ixpiaw-Preg FAMILY. — 
18. SCHWEINITZIA, Ell. 
Calyx of 5 sepals, persistent. Corolla persistent, bell-shaped, 5-lobed. Sta- 
Mens 10: anthers shorter than the filaments, fixed near the apex, awnless ; the 
Opening at the apex. Style short and thick: ‘stigma large, 5-angled. 
Capsule ovoid, 5-celled. Seeds very numerous. — Stem low (3!- 4’), smooth, 
brownish, scaly. Spike several-flowered. Flowers flesh-colored, odorous. 
x 1. S. odorata, Ell. — Shady woods, North Carolina, and n 
‘Tare. April. — Parasitic on the roots of herbs. Flowers noddin 
