Voi,. II.] 



WINTERGREEN FAMILY. 



551 



4. Pyrola uliginosa Torr. Bog Wintergreen. (Fig. 2729.) 



Pyrola uliginosa Torr. Fl. N. Y. 1 : 453. pi. 60. 1843. 

 Pyrola rotundifolia var. uliginosa A. Gray, Man. 



Ed. 2, 259. f856. 



Scape 6 / -i5 / high, 7-is-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 i}^" 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 also in Japan. June. 



Pyrola asarifolia Michx. Liver-leaf Wintergreen. (Fig. 2730.) 



Pyrola asarifolia Michx. Fl. Bor.Am. 1:251. 1803. 

 Pyrola rotundifolia var. asarifolia Hook. Fl. 

 Bor. Am. 3: 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, I'-iJ^' 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 oxypetala Austin. Sharp-petaled 

 Wintergreen. (Fig. 2731.) 



Pyrola oxypetala Austin; A. Gray, Man. Ed. 5, 302. 1867. 



Scape slender, 7 / -g / high, about g-flowered. Blades 

 ovate, coriaceous, dull, acute or acutish at the apex, nar- 

 rowed at the base, obscurely crenulate, 7 // -io" 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. 



