WE have identified two more constituents of hashish to add to the constituents of hashish already known1. In 1969 Vollner et al. 2 identified cannabidivarin, a cannabidiol homologue in which the side chain is C3H7 instead of C5H11. All cannabinoids found until then had contained an olivetyl group (n-amylresorcinol). This was the first cannabinoid found which contained a divarinyl group (n-propylresorcinol). Because many constituents are derived from cannabidiol and cannabidiolic acid, Vollner et al. predicted that hashish would yield more constituents derived from cannabidivarin, and indeed Gill et al. 3 found in ?Tincture of Cannabis? (BPC) a Δ1-tetrahydrocannabinol homologue with C3H7, instead of C5H11 as the side chain.