Heller : Plants from Western North America 627 



rous, 1.5 cm. long when mature : sepals oblong or ovate, yellow- 

 ish, glabrous, 2 mm. long : petals yellow, oblong or oblong-spat- 

 ulate, obtuse, about 5 mm. long : pods spirally twisted, usually 

 with 'three spirals, normally shorter than the pedicel, moderately 

 pubescent with short hairs, these more noticeable on the margins, 

 tipped with a slender style 2 mm. long. 



C. G. Pringle's no. 1529, collected October i, 1887, on cool 



CO. The type is 



erhaps, D. patens. 



ledges, Sierra Madre, State of ( 

 in the Gray Herbarium. Its nea 



Bedford Tark, New York City. 



Mcx 



