VOL. II. ] WINTERGREEN FAMILY. 553 



i. Moneses uniflora (L/.) A. Gray. One-flowered Wintergreen. (Fig. 2734.) 



Pyrola uniflora L. Sp. PI. 397. 1753. 



Moneses grandiflora S. F. Gray, Arr. Brit. PI. 2: 

 403. 1821. 



Moneses uniflora A. Gray, Man. 273. 1848. 



Stem bearing 1-3 pairs or whorls of leaves 

 at the base, continued above into a bracted or 

 naked scape 2 / -6 / high. Blades orbicular or 

 ovate, obtuse at the apex, narrowed, rounded 

 or sometimes subcordate at the base, rather 

 thin, 4 // -i2 // long, longer than or equalling 

 their petioles; flowers 6 // -io // broad; calyx- 

 lobes ovate, obtuse, about one-fifth the length 

 of the petals; capsule erect, 3 // -4 // in diame- 

 ter, about as long as the persistent style and 

 conspicuously lobed stigma. 



In woods, Labrador to Alaska, south to Con- 

 necticut, Pennsylvania, Michigan, in the Rocky 

 Mountains to Colorado and to Oregon. Ascends 

 to 4000 ft. in the Adirondacks. Also in Europe 

 and Asia. June-Aug. 



3. CHIMAPHILA Pursh, Fl. Am. Sept. 279. 1814. 



Perennial herbs, with decumbent stems, ascending leafy branches, the leaves opposite, 

 or verticillate, coriaceous, evergreen, short-pctiolcd and serrate, and spreading or nodding 

 white or purplish flowers in terminal corymbs. Pedicels mostly bracteolate. Calyx 5-cleft, 

 or 5-parted, persistent. Petals 5, concave, nearly orbicular, sessile, spreading or recurved. 

 Stamens 10, similar to those of Pyrola, the filaments usually somewhat pubescent. Ovary 

 globose, 5-lobed, 5-celled; ovules numerous in the cavities; style very short, obconic; stigma 

 large, orbicular, 5-crenate. Capsule erect, globose, 5-lobed, 5-celled, loculicidally 5-valved 

 from the top, the valves not woolly on the margins. Seeds numerous, minute, the testa 

 reticulated, produced at each end. [Greek, winter-loving, from its evergreen leaves.] 



About 6 species, natives of North America, Mexico and northeastern Asia. Besides the follow- 

 ing another occurs on our Pacific Coast. 



Leaves lanceolate, mottled with white. i. C. maculata. 



Leaves spatulate or cuneate-oblanceolate, bright green. 2. C. umbellala. 



i. Chimaphila maculata (I,.) Pursh. 

 Spotted Wintergreen. (Fig. 2735.) 



Pyrola maculata L. Sp. PI. 396. 1753. 

 Chimaphila maculata Pursh, Fl. Am. Sept. 300. 

 1814. 



Stem extensively trailing, creeping or hori- 

 zontally subterranean, sending up both sterile 

 and flowering branches 3 / -io / high. Leaves 

 lanceolate, ovate lanceolate, or the lower much 

 shorter and ovate, acute or acuminate at the 

 apex, rounded or narrowed at the base, sharply 

 serrate with rather distant teeth, dark green 

 and mottled with white along the veins, 1'-$' 

 long, 3 // -i2 // wide below the middle; flowers 

 few, corymbose or umbellate, white or pinkish, 

 6' / -io // broad; peduncle and pedicels puberu- 

 lent; filaments villous at the middle; capsules 

 erect, depressed-globose, about 4 //r in diameter. 



In dry woods, Maine and Ontario to Minnesota, 

 south to Georgia and Mississippi. Ascends to 

 4200 ft. in North Carolina. June-Aug. 



