Going back for a minute to foolish crewmembers, I should probably add a mention for Crewman Darnell from The Man Trap
. While he didn't actually snack on a borgia plant as Nancy suggested, neither Kirk nor McCoy thought it too far fetched that he might
have done. You'd think there would be some sort of Starfleet training about not
sticking everything you find on an alien planet in your mouth, but apparently not!
Of course, he did go lolloping after Nancy like a dog on heat, but I think that sort of behaviour is encouraged for 23rd century officers