Yes I have done belladonna! It was back in the 60's and through our mission statement of getting high everyday we had to resort to the over the counter drugs some days. I can't remember all cold meds we did but we found something callded Asmador (spelling?). It was a greenish fine powder and I think you're supposed to light it on fire and inhale the smoke. Anyway we found out it had belladonna in it so we tried it. I think we choked down a couple of teaspoons. After an hour you started feeling very fucking strange and it was like you got hit in the head with a bat. You would dose off and wake up with a sick ass feeling and your mouth tasted like shit. I'd compare it to the worst high you ever experienced. Some screwed up visuals too but they're not "happy" visuals if you get my drift. Don't fucking do it.
Oh, the strain Belladonna? Yes and it ain't that great. Average weed.