It was, in fact, the starchy stems that in some cases led to depletion of wild zamias in some regions of Florida.

Have you noticed that, generally speaking, the only people still smoking are the less well off? Perhaps Nero & the rest just used human nature when giving the people their circus (circi?)

phallo- + -crypt → phallocrypt

[…] Our tongues do run, O, / Enough to stun, O, / Your head wi' glee by the welshnut tree.