550 PYROLACEAE. [Vor. II. 
1. Pyrola rotundifolia L. Round-leaved 
Wintergreen. (Fig. 2726.) 
Pyrola rotundifolia I,. Sp. Pl. 396. 1753. 
Scape 6’-20’ high, 6-20-flowered. Leaf-blades 
orbicular or oval, spreading, obtuse, coriaceous, 
shining aboye, crenulate, narrowed, rounded, 
truncate or rarely subcordate at the base, 
14’-3/ long, usually slightly longer than wide, 
often shorter than their narrowly margined 
petioles; flowers white, nodding, very fragrant, 
7//-9’’ broad; pedicels 2’’-3’’ long, mostly longer 
than their bracts; calyx-lobes oblong or lanceo- 
late, about one-third the length of the obtuse 
petals; stamens and style declined-ascending; 
style exserted; capsule 2’/-3/’ in diameter. 
In dry woods, Nova Scotia to Minnesota, south to 
Georgia and Ohio. Ascends to 3000 feet in North 
Carolina. Also in Europe. Called also False, 
Larger, or Pear-leaved Wintergreen, and Indian or 
= = Canker Lettuce. June-July. 
Pyrola rotundifolia pumila Hornem. Plantel, Ed. 3, 1: 463. 1821. 
Scape 3'-6' high; leaves seldom 1’ long; calyx-lobes oblong, mostly obtuse. Greenland and 
Labrador to the Northwest Territory. Perhaps a distinct species. 
2. Pyrola chlorantha Sw. Greenish- 
flowered Wintergreen. (Fig. 2727.) 
P. chlorantha Sw. Act. Holm. 1810: 190. fl. 5. 1810. 
Scape 4/12’ high, 3-10-flowered. Blades or- 
bicular, or broadly oval, mostly obtuse at both 
ends, but sometimes narrowed at the base, coria- 
ceous, dull, obscurely crenulate, or entire, %4/—1/ 
long, shorter than or equalling their petioles; 
flowers nodding, slightly odorous, greenish 
white, 5’’-7’’ broad; pedicels 2’’-3’’ long, mostly 
longer than their bracts; calyx-lobes ovate, or 
triangular-ovate, acute or obtuse, about one- 
fourth the length of the obtuse petals; stamens 
and style declined-ascending; anther-sacs short- 
beaked; style exserted; capsule about 3/’ in 
diameter. 
In dry woods, Labrador to British Columbia, south 
to the District of Columbia, Illinois, Nebraska and 
Colorado. Alsoin Europe. June-July. 
3. Pyrola elliptica Nutt. Shin-leaf. 
(Fig. 2728.) 
Pyrola elliplica Nutt. Gen. 1: 273. 1818. 
Scape 5’-10’ high, 7-15-flowered. Blades 
broadly oval, or elliptic, thin or membranous, 
dark green, obtuse, but usually mucronulate 
at the apex, narrowed or rounded at the base, 
plicate-crenulate with very low teeth, 1%4/-3/ 
long, almost always longer than their petioles; 
flowers greenish white, nodding, 6’’-8’’ broad, 
very fragrant; pedicels longer than or equalling 
their bracts; calyx-lobes ovate-triangular, 
acute or acuminate, about one-fourth as long as 
the obtuse petals; stamens and style declined- 
ascending; anther-sacs scarcely beaked; style 
somewhat exserted; capsule about 3/% in di- 
ameter. 
In rich, mostly dry woods, Nova Scotia to Brit- 
ish Columbia, south to the District of Columbia, 
Illinois, Michigan and in the Rocky Mountains to 
New Mexico. June-Aug. 
