The small white , feathery flowers , with ten-cleft calyx and corolla , two stamens and bifid stigma , are borne generally on the previous year 's wood , in racemes springing from the axils of the leaves .
The small white flowers , with calyx and corolla divided into four parts , two stamens and bifid stigma , are mostly on the last year 's wood , in racemes coming up from the axils of the leaves .