Papilionaceae 179 



racemes on peduncles longer than the leaves ; 

 calyx teeth very slender, longer than the tube. 

 On slides and in loose stony soil throughout 

 the Rockies at varying altitudes; flowering 

 during June and July. 



Finely hairy or sometimes nearly 

 ViciaCracca smooth; stems tufted, slender, 

 L. Cow and weak, climbing or trailing 



2-4 feet long. Leaves tendril- 

 bearing 2-3 inches long of 18-24 thin, linear 

 or linear-oblong, obtuse or acutish, mucro- 

 nate leaflets, J f of an inch long. Flowers 

 deep bluish-purple, J an inch long or less 

 in ciense spike-like racemes 1-4 inches long on 

 peduncles equalling or exceeding the leaves. 

 In dry or moist soil throughout the Rockies 

 at the lower elevations, flowering during 

 June and July. 



Smooth or some with appressed 

 americana hairs > trailing or climbing 2-3 

 Muhl. feet long. Leaves nearly sessile, 



American 2 _^ i nc h es long, tendril- bearing, 



with 8-14 elliptic, ovate or ob- 



