A volunteer displays jars of dried cannabis buds at the La Brea Collective medical marijuana dispensary in Los Angeles, California, March 18, 2014. The dispensary is on a list released by the city of over 100 stores that meet some of the requirements of a voter-approved measure. Picture taken March 18, 2014. REUTERS/Lucy Nicholson (UNITED STATES - Tags: POLITICS HEALTH DRUGS SOCIETY BUSINESS)