1 7 2 Papilionaceae 



cream-coloured, tinged with blue, in heads 

 iJ-3 inches long, on peduncles 4-10 inches 

 long, from the axils of the upper leaves; 

 calyx | of an inch long, black-hairy, lobes 

 very slender and short ; corolla J of an inch 

 or more long. 



Frequent in more or less moist open 

 ground throughout the Rockies at varying 

 altitudes; flowering during June and early 



July. 



Erect, nearly simple and smooth, 



Americana T ~ 2 f eet m g n - Leaves 3-6 inches 



(Hook) long with 7-17 oval or ovate- 



R y db - lanceolate obtuse leaflets, j-ij 



inches long. Flowers white, f 



Milk-vetch. 



of an inch long in loose racemes 



on peduncles equalling or exceeding the 

 leaves; pedicels slender, J an inch long in 

 fruit; 'pod membranous, inflated, an inch 

 long. 



In moist or wet rocky shaded places 

 throughout the Rockies; flowering during 

 June and early July. 



