Would there be any contradictions if you accidentally got some lobelia mixed in with skullcap?  I should have got the cardinalis …they look so similar until they have their seed pods….I know the difference now.  I just forgot which one was planted where(they are in pots, some of which have been moved numerous times) and mistook lobelia for skullcap when harvesting and I didn’t notice until they were dried, it’s much harder to see which is who when they are dry.