HEATH FAMILY 179 
faintly scalloped, often rounded at the base or almost heart-shaped, 
usually shorter than the slightly margined petioles. Flowers white, 
very fragrant. Varies greatly. Usually in dry woods N. 
Ill. MONOTROPA L. 
Leafless, simple, erect, white, brown, or red root parasites 
or saprophytes or fed by slender fungus threads which cluster 
on the roots. Stem scaly, the upper scales often passing into 
bracts. Flowers solitary or in spikes or racemes. Sepals or 
bracts 2-5, erect, deciduous. Petals 4 or 5, erect or spreading. 
Stamens 8 or 10, hypogynous, the filaments awl-shaped ; anthers 
kidney-shaped. Ovary 4—5-celled; style simple; stigma disk- 
like, with 4-5 rays. 
B.FI1. species 2 (Hypopitys). 
1. M. uniflora L. Inpran Pipe. Stem smooth, fleshy, 4-6 in. high. 
Bracts ovate or lanceolate. Flower single, tubular, }-1 in. long, inodor- 
ous. Stamens a little shorter than the petals. Capsule angled, }—$ in. 
long. Whole plant waxy-white, turning black in drying. In moist, 
shady woods N. and E.* 
2. M. Hypopitys L. Pixesap. Stems single or clustered, white 
or reddish, 4-8 in. high. Bracts ovate-lanceolate. Flowers several, 
in a scaly raceme, fragrant, }-% in. long. Capsule oval, } in. long. 
In dry, shady woods, especially under oaks or pines.* 
76. ERICACEA. Hearty Famity 
Usually shrubs or slightly shrubby plants. Leaves simple, 
generally alternate. Corolla commonly actinomorphic, 4-5- 
cleft, sometimes choripetalous. Stamens hypogynous, distinct, 
as many or twice as many as the petals; the anthers mostly 
opening by a hole at the end. Ovary usually with as many 
cells as there are corolla lobes; style 1. Seeds small, with 
endosperm. 
A 
Shrubs or small trees. Calyx free from the ovary. Corolla hypogynous, 
usually sympetalous. 
Shrubs or small trees, with showy flowers. Anthers not held 
down in pockets in the corolla. Rhododendron, I 
