EBICACE^. 143 



oblong-linear, cvirved, nearly or quite distinct petals. Sta- 

 mens 10, as long as the rose-coloured corolla. Leaves alter- 

 nate, oblong, some.what pubescent. Shrub. — ^Bogs and 

 damp barrens, from Montreal eastward. 



13. FT'ROLA, Tourn. Winteeqkeen. Shin-lkaf. 

 * Style afraighti narrower tlian the 6-rayed stigma. 



1. P. mi'nOF, L. Leaves roundish, slightly crenulate. 

 thiokish, usually longer than the margined petiole. Raceme 

 not one-sided. FloTrers "white or rose-colour. Style short and 

 included in corolla. — Cold woods, Atl. Prov. and north- 



■ ward. 



2. P. seeun''d.a, L. Easily recognized by the flowers of 

 the dense raceme being all turned to one side. Leaves ovate. 

 Style long, protruding. — Eich woods. Var. pu'mila has 

 orbicular leaves, and is 3-8- flowered. — Peat -bogs and 

 swamps. 



* * Style declined^ the apex curved upward. Stigma narrower than the 

 ring-like apex of the 8ty,e. 



3. P. FOtUndifO'lla,, L. Leaves orbicular, thick, shining, 

 usually shorter than the petiole. Calyx-lobes lanceolate. 

 Flowers white, or in var. Incarna'ta rose-purple. — ^Molst 

 woods. 



Var. asaFifO'lia, Hook., has round-reniform leaves, and 

 mostly rose-coloured petals. 



Var. uliglno'sa. Gray, has broadly ovate calyx-lobes, 

 mostly obovate dull leaves, and flesh-coloured petals. 



4. P. ellip'tica, Nutt. (Shin-leaf.) Leaves elliptical,' 

 thin, dull, usually longer than the margined petiole. Flowers 

 greenish-white. — Eich woods. 



5. P. chloran'tha, Swartz, has small roundish dull 

 leaves, converging greenish- white petals, and the anther-cells 

 contracted below the pore into a distinct neck or horn. — Open 

 woods. 



14. MOJfE'SES, Saliab. Ohe-floweeed Pteola. 



M. uniflo'ra, Gr. {M. gramdiflora, Salisb.) Leaves thin, 

 rounded, veiny, and serrate. Scape 2-4 inches high, bearing 

 a single white or rose-coloured flower. — Deep woods. 



