ERICACEAE. 219 



Fruit a capsule. — Mostly herbaceous plants, icith evergreen 

 foliage. 



13. PYROLA, Linn. False Wintergreex. 



A diminutive of the Latin pyrus, a pear, from the resemblance of the leaves of 

 some species. 



Calyx minute, 5-parted, persistent. Petals 5, concave, 

 deciduous. Stamens 10, with awl-shaped, naked filaments. 

 Style long and generally turned to one side. Stigmas 5. 

 Capsule depressed-globose, 5-valved from the base upwards, 

 many-seeded. — Low and smooth perennial herbs, bearing a 

 cluster of rounded and petioled evergreen root-leaves, and a simple 

 raceme of nodding flowers on an upright scaly bracted scape. 



1. P. ROTUNDIFOLIA, L. Round-leaved Wintergreen. 



Leaves orbicular, thick, entire or crenulate, usually shorter than the dilated pe- 

 tioles; raceme elongated, many-flowered ; calyx-lobes lanceolate, acutish; stigma 

 clavate. 



Damp or sandy woods, common. July. Scape 6 to 12 inches high, many-bracted . 

 Leaves all radical, 1% to 2 inches in diameter, on petioles about the same length. 

 Flowers % inch broad, nodding, white, fragrant, 8 to 20 in a raceme. 



2. P. elliptic A, Nutt. Shin-Leaf. 



Leaves elliptical or obovate-oval, usually longer than the margined petiole; ra- 

 ceme many-flowered, naked or with a subulate bract; calyx-loles ovate, acute; 

 stigma clavate, 5-lobed. 



Rich woods, common. June, July. Leaves all radical, membranaceous, finelv 

 serrate, with an attenuated base much longer than the petiole. Scape 6 to 10 

 inches high, slender, bearing 8 to 12 greenish-white fragrant flowers. 



3. P. CHLORANTHA, Swartz. Small Pyrola. 



Leaves small, roundish, refuse, thick, shorter than the petiole ; scape few-flowered, 

 nearly naked; calyx-lobes very short, obtuse; petals elliptical, converging; stigma 

 pith the disk 5-lobed. 



Open woods, common. June. Leaves about 1 inch long, varying from orbicular 

 te broad-ovate, crenulate, smooth, leathery, shining. Scape 6 to^S inches high, 3 

 to 8-flowered. Flowers nodding, greenish-white, fragrant, on pedicels V*, inch long. 

 each in the axil of a very short bract. 



4. P. secunda> L. One-sided Pyrola. 



Leaves ovate, acute, thin, serrate, longer than the narrow petiole; raceme dense, 

 many-flowered, secund; calyx-lobes ovate, shorter than the oblong petals; style ex- 

 serted; stigma depresssd, 5-lobed. 



Rich woods, common. July. Leaves somewhat raised on a decumbent stem* 

 about 1 inch long, and petioles about the same length. Swps 3 to 6 inche , 

 high, with the flowers all turned to one side. Flowers greenish-white. 



5. P. minor, L. Lesser Pyrola. 



Leaves roundish, slightly crenulate, mostly longer than the margined petioles. 

 raceme spiked; bracts as long, as the pedicels ; calyx-lobes very short; corolla g\d 

 boee ; style included ; stigma 5-lobed. 



Base of mountains rare. July. Leaves on short petioles, mucronate at tLx 

 apex. Scape angular, 5 to 10 inches high. Flowers small, white er rose-color.. 



