PEA AND BEAN TRIBE. 



169 



HIPPOCR^PIS coMdsA (Tufted Horse-shoe Vetch). 



18. ONOBRYCHIS (Saint-foin). 



1. 0. sativa (Common Saint-foin). The only British 

 species. Chalky and limestone hills ; not uncommon. 

 A handsome plant, often cultivated as fodder in dry, 

 chalky and gravelly soils. The stems are 1 2 feet 

 long ; the leaves are composed of 8 12 pairs of oblong 



