PYROLACEAE. 145 



Family PYROLAGEAE. Shin-leaf Family. 

 A small family of evergreen herbs of no economic value 

 but sometimes effective as undershrubs and among the most 

 attractive of the small plants of the woods. 



CHIMAPHILA. Pipsissewa. 



Scarcely woody evergreens with short simple erect stems ; 

 few rather lanceolate toothed moderate-sized more or less clus- 

 tered firm subsessile leaves ; i or few saucer-shaped polypetal- 

 ous pale flowers on a terminal stalk, rather large for the size 

 of the plant; and depressed 5-lobed capsules. 

 Leaves oblanceolate, green, (Prince's pine). C. umbellata. 



Leaves ovate or broadly lanceolate, white-veined. C. maculata. 



MONESES. One-flowered Shin-leaf. 



Small perennial low evergreen with several small crenate 

 wing-petioled leaves clustered at end of short erect herbaceous 

 stems; perfect white or rosy open polypetalous flowers solitary 

 on a terminal scape ; and subglobose-depressed many-seeded 

 capsules. 

 Leaves round-ovate or obovate, cuneate. M. uniflora. 



PYROLA. Shin-leaf. 



Evergreen perennial herbs with mostly several clustered 

 long-stalked nearly entire almost basal leaves ; relatively large 

 whitish polypetalous perfect open flowers in a long-stalked ra- 

 ceme ; and depressed small many-seeded capsules dehiscing from 

 the: base. 



1. Leaves distributed en the stem, small. P. secunda. 

 Leaves basal. 2. 



2. Often broader than long. 3. 



Mostly longer than broad, dull. P. elliptica. 



3. Small (2-3 cm.) : flowers greenish. P. chlorantha. 

 Large (4 cm.) : glossy. 4. 



4. Flowers rosy. P. asarifolia. 

 Flowers white. P. americana. 



