Papilionaceae 177 



eastern Rockies at the lower altitudes; flow- 

 ering in July. 



Acaulescent or more or less so, 



Aragallus . , . , , . 



1-4 inches high, soft-hairy. 



(Hook) A. Leaves pinnate with 5-11 pairs 

 Nelson. of short linear-lanceolate or 



Inflated oblong leaflets. Flowers violet- 



Oxytrope. 



purple, i or 2 on the peduncles 

 which scarcely exceed the leaves; calyx 

 densely dark-hairy; pods much inflated. 



On high alpine slopes and summits through 

 the Rockies, not a common plant but prob- 

 ably more general than is now known ; flower- 

 ing in July. 



Stem erect or somewhat decum- 

 Hedysarum 



americanum bent smooth or nearly so, 6 

 CMichx.) inches to 2\ feet high, generally 

 Britton. simple. Leaves 2-8 inches long 



ur f e with 1 1-2 1 oblong or oblance- 



Hedysarum. 



olate-obtuse leaflets, J to nearly 

 i inch long. Flowers violet-purple or nearly 

 white, deflexed, J-J of an inch long in rather 



