Genus i. 



WINTERGREEN FAMILY. 



671 



8. Pyrola secunda L. Serrated or One-sided Wintergreen. Fig. 3204. 



Pyrola secunda L. Sp. PI. 396. 1753. 



Pyrola secunda {•umila Paine, Cat. Plants Oneida Co., 

 N. Y. 135. 



Scapes usually several together from the much- 

 branched rootstock, slender, 2-10' high. Leaf-blades 

 ovate, or oval, or nearly orbicular, mostly thin, acute, 

 or rarely obtuse at the apex, rounded or narrowed at 

 the base, crenulate-serrulate, 6"-2' long, longer than 

 their petioles ; flowers many, in a dense one-sided 

 raceme, at first erect, soon drooping, white or green- 

 ish-white, z"-4t" broad; pedicels short; calyx-lobes 

 ovate, obtuse, or obtusish, very short ; petals oval, 

 obtuse, with a pair of tubercles at the base, cam- 

 panulate-connivent ; style straight, exserted ; stamens 

 not declined, connivent around the pistil; capsule 

 about 2" in diameter. 



In woods and thickets, Labrador to Alaska, south to 

 the District of Columbia, Pennsylvania, Michigan, Ne- 

 braska, along the Rocky Mountains to Mexico and to 

 California. Ascends to 3000 ft. in the Adirondacks. 

 Also in Europe and Asia. Shin-leaf. June-July. 



2. MONESES Salisb. ; S. F. Gray, Srr. Brit. Plants 2 : 403. 1821. 



A low perennial glabrous herb, with a decumbent leafy base, petioled evergreen crenu- 

 late leaves, opposite, or verticillate in 3's, and a solitary drooping white or pink flower at 

 the summit of a slender scape. Calyx 4-5 parted, persistent. Petals 4 or 5, spreading, broadly 

 ovate or orbicular, sessile. Stamens 8 or 10, similar to those of Pyrola. Disk obsolete. 

 Ovary globose, 4-S-celled; style straight, club-shaped at the summit; stigma 4-S-lobed ; ovules 

 very numerous in each cavity. Capsule subglobose, 4-S-lobed, 4-S-celled, loculicidally 

 4-S-valved from the summit, the valves glabrous on the margins. Seeds numerous, minute, 

 the testa reticulated, produced at each end. [Greek, single-delight, from the single flower.] 



A monotypic genus of the cooler parts of the northern hemisphere. 



I. Moneses uniflora (L.) A. Gray. One- 

 flowered Wintergreen. Fig. 3205. 



Pyrola uniflora L. Sp. PI. 397. I753. 



Moneses grandiftora S. F. Gray, Arr. Brit. PI. 2 : 403, 

 1S21. 



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; flower fragrant, 6"-io" broad; calyx- 

 lobes ovate, obtuse, about one-fifth the length 

 of the petals ; capsule erect, 3"-4" in diameter, 

 about as long as the persistent style and con- 

 spicuously lobed stigma. 



In woods, Labrador to Alaska, south to Connecti- 

 cut, Pennsylvania, Michigan, in the Rocky Moun- 

 tains to Colorado and to Oregon. Ascends to 4000 

 ft. in the Adirondacks. Also in Europe and Asia. 

 June-Aug. 



