Parnassiaceae 127 



places and damp mossy banks at the lower 

 altitudes, flowering during July. 



Parnassia Leaves tufted at the base on 

 montanensis short petioles', blades ovate with 

 Rydb. and a cordate or rou nded base } of 



Fernald. 



Marsh an inch long. Flowers solitary, 



Grass-of- on scapes 8 inches or more high 

 Parnassus. with a large ovate bract below 

 the middle; sepals lanceolate, acute, } of an 

 inch or more long, petals oval to elliptic only 

 slightly larger than the sepals; staminodial 

 scales with 7-9 gland- tipped filaments. 



Throughout the Rockies in marshy ground 

 and shaded river shores; flowering in June 

 and early July. 



Scapes slender, 4-12 inches high, 

 Parnassia . 



parviflora usually bearing a clasping oval 



DC. Small- leaf at the middle. Basal leaves 

 flowered on slender petioles, oval or ovate, 



Grass-of- narrowed at the base, not cor- 



Parnassus. -11 



date, J-i inch long. Flowers 

 about J of an inch broad, sepals equalling or 

 somewhat shorter than the elliptic sessile 



