i26 Parnassiaceae 



PARNASSIACE^ 

 Grass-of -Parnassus Family 



Smooth bog-herbs with a rosette of basal 

 leaves and generally one or a few alternate 

 stem leaves and solitary, terminal flowers. 

 Flowers perfect; calyx generally 5-lobed to 

 near the base ; petals 5 ; perfect stamens 5 ; 

 staminodia (imperfect stamens) in clusters 

 at the base of each petal ; stigmas 4. 



Leaves tufted at the base on 

 Parnassia 

 fimbriata petioles 2-6 inches long; blades 



Banks. reniform or broadly cordate, 



Fringed |-i an inch wide, thin, smooth, 



Grass-of- with about 7 principal veins. 

 Parnassus. . 



Flowers f of an inch or more 

 broad on a scape 8-12 inches high with a 

 small cordate clasping bract about the mid- 

 dle; sepals i of an inch long, elliptic, obtuse; 

 petals obovate, pure white, fringed at the 

 base, staminodia united into 5 fleshy 

 obovate scales. 



Common throughout the region in springy 



