274 ERICACEJE. (HEATH FAMILY.) 
Suborder IY. MONOTROPE M. The Indian Pipe Fam. 
20. PTEBOSPORA, Nutt. Pine-drops. 
Calyx 5-parted. Corolla ovate, urn-shaped, 5-toothed, persist¬ 
ent. Stamens 10 : anthers 2-celled, awned on the back, opening 
lengthwise. Style short: stigma 5-lobed. Pod globose, depress¬ 
ed, 5-lobed, 5-celled, loculicidal. Seeds very numerous, ovoid, 
tapering to each end, the apex expanded into a broad reticulated 
wing many times larger than the nucleus. — A stout and simple 
purplish-brown clammy-pubescent herb ; the wand-like stem fur¬ 
nished towards the base with scattered lanceolate scales in place 
of leaves, above bearing many nodding (white) flowers, like those 
of Andromeda, in a long bracted raceme. (Name from nrepov, a 
wing , and arropd, seed, alluding to the singular wing borne by the 
seeds.) 
1. P. Andromedea, Nutt. —Hard clay soil, parasitic on the 
roots apparently of pines, from Peekskill and Albany, New York, 
and N. Penn, northward and westward, rare. — Plant 8 f -24' high, 
20 - 60-flowered, very singular in appearance. 
21. HIPOPITYS, Dill. Pine-sap. 
Calyx of 4 or 5 lanceolate bract-like sepals, deciduous. Corolla 
of 4 or 5 distinct erect fleshy petals, with a sac-like nectariferous 
depression at the base. Stamens 8 or 10 : anthers kidney-shaped, 
becoming one-eelled, opening by a continuous line into 2 very un¬ 
equal valves, of which the larger is recurved, but the narrower 
upright and then appearing like a continuation of the filament. 
Style columnar, hollow : stigma disk-like, with a bearded margin. 
Pod ovoid or globose, 8- 10-grooved, 4 -5-celled, loculicidal. 
Seeds as in Pyrola. — Fleshy brownish or purplish herbs, para 
sitic on the roots of trees, especially Beeches and Pines, with a 
musky odor, scales in place of leaves, and the flowers in a close 
bracted raceme, which is at first nodding, but in fruit erect. The 
terminal flower has 5 petals and 10 stamens ; the others 4 petals 
and 8 stamens. (Name composed of in ro, under , and irirvs, 
Pine-tree, from the place of growth.) 
1. H. lanuginosa, Nutt. (American Pine-sap. F aLSE 
Beech-drops.) More or less velvety or downy : filaments and st) 
hairy; pod almost globular. — Oak and pine woods, common, June- 
