178 KEY AND FLORA 
without appendages and opening by pores or by a transverse 
slit. Fruit a capsule containing a great number of very small 
seeds. ; 
I. CHIMAPHILA Pursh. 
Low plants, nearly herbaceous, with reclining stems, from 
long, horizontal, underground shoots. Leaves opposite or 
whorled, leathery, shining, evergreen, on short petioles. 
Flowers fragrant, white or purplish, on a corymb or umbel 
which terminates the stem. Calyx 5-cleft or 5-parted, per- 
sistent. Petals 5, concave, roundish, spreading. Stamens 10, 
the filaments enlarged and downy in the middle, the anthers 
somewhat 4-celled, opening when mature by pores at the 
outer end. Style top-shaped, nearly buried in the top of the 
globular ovary. Capsule erect, 5-celled. 
1. C. umbellata Nutt. Prince’s Pine, Pipsissewa. Branches 
leafy, 4-12 in. high. Leaves spatulate or wedge-oblanceolate, obtuse 
or nearly so, sharply serrate, very green and glossy. Flowers sev- 
eral, umbeled or somewhat corymbed, white or pinkish, the anthers 
violet. Dry woods, especially under pine trees. 
2. C. maculata Pursh. Sporrep WINTERGREEN. Much resem- 
bles No. 1, but has only scattered teeth on the leaves, which are 
mottled with white on the upper surface and are often broad or 
rounded at the base. Dry woods. 
II. PYROLA L. 
Biennial or perennial, almost woody herbs; rootstocks slen- 
der and creeping. Leaves mostly basal, with broad petioles, 
evergreen. Flowers in racemes, nodding, on a bracted scape. 
Sepals 5. Corolla usually globose, of 5 free or nearly free, 
roundish petals. Stamens 10, in pairs opposite the petals, 
hypogynous; anthers as in Chimaphila. Capsule globose, 
5-celled, splitting into 5 valves, the latter usually with downy 
edges. 
1. P. elliptica Nutt. Sain Lear. Scape 5-10 in. high. Leaf blades 
obovate-oval or elliptical, rather thin, dark green, -faintly scalloped, 
almost always longer than their margined petioles. Flowers greenish- 
white, very fragrant. Rich, usually dry, woods, especially N. 
2. P. americana Sweet. Rounp-LeAvep WINTERGREEN. Scape 
6-20 in. high. Leaf blades roundish or oval, leathery, shining above, 
