PYROLACEjE. 



421 



Chimaphila. — Pursh. 



Calyx 5-tootbed. Petals 5. Style very short, concealed in the umbilicus of the ovary. 

 Stigma annulate, orbicular, with a 5-lobed disk. Filaments stipitate. Capsule 5-celled, 

 dehiscent at the apex, margins unconnected. 



This genus was established by Pursh for two species of native plants, pre- 

 viously included in Pyrola, but the change had been previously indicated by 

 Michaux. It consists of small perennial, evergreen herbs, common to the 

 north of Europe, Asia, and to this country. 



C. umbellata, Pursh. — Leaves cuneate-lanceolate, serrate. Flowers somewhat umbel, 

 late. Filaments smooth. Bracts linear, awl-shaped. 



Linn., (Pyrola,) Sp. PI. 568 ; Pursh, Fl. Am. Sep. i. 300 ; Barton, Veg. 

 Mat. Med. i. 17 ; Bigelow, Am. Med. Bot. ii. 15 ; Rafinesque, Med. Flor. 1 ; 

 Stephenson and Churchill, ii. 93. 



Common Names. — Pipsissewa; Winter-green; Ground-holly, &c. 



Fig. 189. 



C. umbellata. 



