LEGUMINOSvE 



431 



native of Europe and Asia. It is much hardier than common 

 vetch, and consequently can be grown at higher latitudes. 

 Moreover, it is more drought-resistant and tolerant of alkali. 



Hot summer weather is \ery harmful to its growth. It is 

 frequently planted on light, sand\- soils, where it nKi\- l)c 

 plowed under as a green manure. 



