1 68 Papilionacese 



black, globose, over J of an inch in diameter. 

 In thickets in the Rockies, frequent in the 

 vicinity of Banff; flowering in May and early 

 June. 



PAPILIONACE^ 



Pea Family 



Herbs or vines with alternate, compound 

 leaves and irregular, perfect, yellow, purple, 

 blue, or white flowers, mainly in racemes; 

 calyx 4-5-toothed ; petals more or less united 

 or separate, consisting of a broad upper one 

 (standard) , two lateral ones (wings) , and two 

 front ones more or less united (keel). 



Herbs; leaves unequally pinnate, not tendril bearing. 

 Pods not jointed. 



Keel of the corolla blunt. 



Pod not much swollen, fleshy, leathery or 

 ' papery; flowers blue or purple. Astragalus. 

 Pods much inflated, membranous; flowers white. 



Phaca. 

 Pods flat, both sutures prominent externally. 



Homalobus. 



Keel of the corolla acute. Aragallus. 



Pods jointed, flowers purple or white. Hedysarum. 



Herbaceous veins ; leaves evenly pinnate, with tendrils. 



