Onagraceae 195 



opposite, the veins inconspicuous. Flowers 

 reddish-purple, 1-2 inches broad, mainly in 

 short leafy-bracted racemes; petals entire; 

 stigma 4-lobed. 



On gravelly river bars and moist clayey 

 banks throughout the entire region ; flowering 

 during July. 



Stems rather stout, 1-2 feet 

 Epilobium 

 luteum m g n usually simple, nearly 



Pursh. smooth. Leaves 1-3 inches long, 



Yellow ovate or elliptical to broadly 



Willow- lanceolate, acute or acuminate, 



sinuate-toothed, sessile, or when 

 large, obliquely tapering to a winged petiole, 

 slightly fleshy. Inflorescence with more or 

 less glandular pubescence; flowers about f 

 of an inch long, not opening widely, pale 

 yellow, rather few, at first nodding in the 

 axils of the upper leaves; style usually ex- 

 serted and deeply 4-parted. 



A rather rare plant in springy places and 

 along alpine brooks, confined to the Selkirks; 

 flowering during July, 



