Vor. II.J WINTERGREEN FAMILY. 551 
4. Pyrola uligindsa Torr. Bog Wintergreen. (Fig. 2729.) 
Pyrola uliginosa Torr. Fl. N. Y. 1: 453. pl.60. 1843. 
Pyrola rotundifolia var. uliginosa A. Gray, Man. 
Ed. 2, 259. 1856. 
Scape 6/-15’ high, 7-15-flowered. Blades 
broadly oval, or orbicular, dull, rather thick, 
obscurely crenulate, obtuse at both ends, some- 
times truncate at the base, equalling or shorter 
than their petioles; bracts shorter than or 
equalling the pedicels; flowers purple, 5//-8’/ 
broad; calyx-lobes oblong or ovate-lanceolate, 
acute or obtuse, one-fourth to one-third the 
length of the obtuse petals; stamens and style 
declined-ascending; anther-sacs beaked; style 
slightly exserted; capsule about 214’ in diame- 
ter. 
In swamps and bogs, Nova Scotia to British Co- 
lumbia, south to New England, central New York, 
Michigan and in the Rocky Mountains to Colorado, 
Apparently alsoin Japan. June. 
5. Pyrola asarifolia Michx. Liver-leaf Wintergreen. (Fig. 2730.) 
Pyrola asartfolia Michx. F1. Bor.Am. 1; 251. 1803. 
ZX Pyrola rotundifolia var. asarifolia Hook. FI. 
Bor. Am. 2:46. 1834. 
Similar to the preceding species. Blades 
reniform, usually wider than long, coriaceous, 
shining above, obtuse at the apex, cordate at 
the base, crenulate, 1/-11%4’ long, usually 
shorter than their narrowly margined peti- 
oles; flowers racemose, nodding, purple, or 
rose, 6//-8’’ broad; calyx-lobes triangular- 
lanceolate or ovate-lanceolate, acute or acum- 
inate, about one-third the length of the ob- 
tuse petals; stamens and style decurved-as- 
cending; anther-sacs slightly beaked; style 
exserted; capsule about 3/” in diameter. 
In wet woods and swamps, New Brunswick to 
the Northwest Territory, south to Massachusetts, 
northern New York, Minnesota, and in the Rocky 
Mountains to Colorado. June-July. 
6. Pyrola oxypétala Austin. Sharp-petaled 
Wintergreen. (Fig. 2731.) 
Pyrola oxypetala Austin; A. Gray, Man. Ed. 5, 302. 1867. 
Scape slender, 7/-9’ high, about 9-flowered. Blades 
ovate, coriaceous, dull, acute or acutish at the apex, nar- 
rowed at the base, obscurely crenulate, 7//-10’’ long, 
shorter than their petioles; flowers racemose, ascending, 
greenish, 4’’-5’’ broad; bracts shorter than their pedi- 
cels; calyx-lobes triangular-ovate, acute, about one-third 
the length of the elliptic-lanceolate acuminate connivent 
petals; stamens and styles slightly declined; anther-sacs 
slightly horned. 
Hills, Deposit, Delaware Co., N. Y.(C. F. Austin, 1860). 
The only station known. June. 
