Onagraceae 193 



J of an inch in diameter, translucent, 

 varying in colour on different plants from 

 orange to brilliant crimson. 



Thickets and wooded banks throughout 

 the Rockies; flowering in May or early 

 June. 



ONAGRACEAE 



Evening Primrose Family 



Herbs, with alternate or opposite leaves 

 and perfect flowers; calyx tube adnate to 

 the ovary, 2-6 lobed; petals white, yellow, 

 pink, or purple, folded on each other in the 

 bud; stamens usually as many or twice as 

 many as the petals. 



Parts of the flower in 4*3; seeds with tufts of hair on 



the ends- 

 Calyx tube not prolonged beyond the ovary; flowers 

 large. Chamaenerion. 



Calyx tube prolonged beyond the ovary; flowers 

 usually small. Epilobium. 



Parts of the flowers in 2's; fruit with hooked hairs. 



Circaea. 



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